EHPX-VM2A Leaflet2
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Domestic Heating
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The Ecodan range of
air source heat pumps
deliver efficient, renewable
heating for your home
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Harnessing renewable
energy to heat UK homes
more efficiently
Increasing energy bills, the need to reduce carbon
emissions and the raft of challenging legislation
are driving the demand for alternative forms of
domestic heating to improve energy efficiency.
Mitsubishi Electric has used its expertise and pivotal
technology to develop renewable solutions to address
these issues head on.
Why use Mitsubishi Electric’s
Ecodan air source heat pumps
for your heating?
The MCS approved, award-winning Ecodan range has been
specifically designed for the UK’s conditions. With a UK-built
cylinder and self-learning controls, the system is available as a
packaged or component solution, optimised to provide all the
heating and hot water a home needs, whatever the weather.
The name Mitsubishi is
synonymous with excellence
Founded in 1921, Mitsubishi Electric is now a global, market
leading environmental technologies manufacturer. In the UK,
the Living Environmental Systems Division provides proven
solutions that heat, cool, ventilate and power our buildings
in some of the most energy efficient ways possible.
Contents
Why air source heat
pumps and why now?
5
The benefits of Ecodan
6
Ecodan - suitable for both
new and existing homes
7
Renewable heating solutions for:
- Homeowners and Selfbuilders
8
- Housebuilders and Developers
10
- Housing Associations
12
How Ecodan air source
heat pumps work
14
Ecodan winter trial results
16
Online ‘real-time’
performance data
17
Ecodan is part of Mitsubishi
Electric’s whole house solution
18
Ecodan Case Studies
20
Technical Specifications
25
Quality assured manufacturing
30
Responsible, sustainable
manufacturing
32
Make a world of difference
with Ecodan
34
Award winning Ecodan
from Mitsubishi Electric
35
Mitsubishi Electric has specifically designed the Ecodan range
for UK homes. Ecodan air source heat pumps provide renewable
energy to challenge traditional heating methods, whilst meeting
the energy and carbon reduction demands of today and beyond.
We believe that global climate challenges need local solutions.
Our aim is to help individuals and businesses reduce the energy
consumption of their buildings and their running costs.
At Mitsubishi Electric we have evolved and today we offer
advanced environmental systems that really can make a
world of difference.
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The Energy and Climate
Change Committee recognises
that heat pumps could meet up
to 75% of residential heating
demand in the UK
*1
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Why air source
heat pumps
and why now?
With space heating and hot water accounting
for almost three quarters of the total energy
consumed in UK homes, domestic heating is
an obvious area to target to help combat rising
energy bills.
Increasingly tough legislation is driving the demand for
improved energy efficiency in the home, with the UK
Government committed to reducing CO2 emissions by
80% from 1990 levels, by 2050*2. This means a reduction
of at least 34% in greenhouse gas emissions by 2020.
It’s clear that to achieve these ambitious goals, our approach
to energy use and the way we heat our homes has to change.
Pivotal to this change is improved energy efficiency and a
greater use of renewable energy.
Air source heat pumps use free renewable energy from
the outside air and upgrade it for use in the home.
Why Ecodan air source heat pumps are
an ideal alternative to traditional heating
Recognised as a renewable technology by
both UK and EU Governments, heat pumps
provide an effective, energy efficient alternative
to traditional heating systems. Ecodan uses
advanced technology to heat homes and hot water
using energy absorbed from the outdoor air.
As perhaps the single most important renewable solution,
heat pumps are an established, proven technology, supported
by Government incentives, economically viable and flexible in
their application for domestic heating.
Significantly, the Committee on Climate Change recognise
that heat pumps could meet up to 75% of the total residential
heat demand in the UK*1.
Over the last decade continual developments and major
advances such as the introduction of variable capacity control
have helped to position Ecodan air source heat pumps as
the market leader.
Mitsubishi Electric has now introduced self-learning controls
to ease use along with a quality-assured, British-built cylinder
which can reduce installation time and costs.
*1 The Renewable Energy Review, May 2011, DECC / Committee on Climate Change
*2 Pathways 2050
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The benefits
of Ecodan
Heating UK homes with Ecodan air source heat
pumps is now a viable and credible alternative to
traditional methods and can help to combat rising
energy bills through greater efficiency.
By using an Ecodan to provide space heating and hot water, it is
possible to reduce a home’s CO2 emissions and running costs.
Ecodan uses inverter-driven heat pump technology to
harvest and upgrade free, renewable energy from the
outdoor air to deliver heating and hot water, even in
temperatures as low as -20°C.
For every 1kW of input electrical
energy, Ecodan harvests and upgrades
renewable heat from the outdoor air to
provide the home with an average of
at least 3kW of heat output.*3
Outstanding benefits:
Achieves level 4 of the Code for Sustainable Homes
with no additional measures and can be even higher
when used in conjunction with other improvements
Improves energy use leading to lower
running costs and CO2 emissions
Qualifies for the current Renewable Heating Premium
Payments (RHPP) and upcoming renewable heating
incentives planned by the Government
5% VAT rating on capital and install costs
Self-contained outdoor unit only requiring
water and electric connections
No gas supply, flues or ventilation required,
therefore poses no carbon monoxide risk
Low noise levels - Ecodan has achieved the
Noise Abatement Society’s Quiet Mark
MCS approved
*3 The overall system efficiency and energy savings will depend on the comparison with your current heating system,
satisfactory system design and installation, and operational settings i.e. how you use the heating system.
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Ecodan suitable for
both new
and existing
homes
The Government is focused on the need for
housing growth as an ideal opportunity to cut
energy use in homes and continues to introduce
legislation and guidelines to support this.
Buildings account for 44% of all UK CO2 emissions (more than
industry or transport)*4. As a nation we are now creating new
low carbon houses, yet around 75% of existing homes will
still be in use in 2050, so to a large extent our future housing
stock is already built. If we can find ways of easily improving
the efficiency of existing buildings we can make a dramatic
difference to both CO2 emissions and energy use.
Ecodan provides a proven, efficient way of heating homes.
It can achieve level 4 of the Code for Sustainable Homes,
and even higher when used in conjunction with other
improvements such as Photovoltaics.
Air source heat pumps are now covered by Permitted
Development legislation because they can improve the
efficiency of existing buildings although noise levels must
be taken into account. Ecodan is recognised by the
Noise Abatement Society and has received its prestigious
Quiet Mark accreditation.
Before considering any heat pump, Mitsubishi Electric strongly
recommends that basic thermal improvements are undertaken
in these properties to provide the highest levels of thermal
efficiency. These can include cavity wall insulation, loft insulation
and double glazing.
Ecodan 8.5kW air source heat pump
In recognition of Ecodan’s status as a low carbon technology,
the cost of VAT is reduced to 5% as opposed to the standard
rate of VAT applicable on all traditional heating systems.
*4 BRE Digest of UK Energy Statistics
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Renewable
heating solutions
for Homeowners
& Selfbuilders
Ecodan is suitable for the vast majority of
homes, so whether you live in a small flat, or
a large detached house, Ecodan provides
reliable and efficient space heating and
hot water all year round.
“We always intended to
use an air source heat
pump and my M&E
consultant pointed me
towards Ecodan because
it has developed such an
impressive reputation.
The Ecodan range has received full accreditation for the
Government’s Microgeneration Certification Scheme
(MCS). Please visit their website for further details:
www.microgenerationcertification.org
We built-in a small plant
room on the top floor and
this links straight to the
Ecodan units on the
external balcony.”
For new-build properties, renewable technologies such
as Ecodan are also eligible for zero VAT. Please visit the
following website for further details:
www.hmrc.gov.uk/sectors/consumers/energy-saving.htm
Andrew Critchlow, property owner
and Director, AEW Architects
Mitsubishi Electric’s latest generation controller uses a
simple graphical interface and features an advanced room
temperature control mode. By using room temperature as
well as outdoor temperature, the system responds faster,
creating a more stable and comfortable home while
maintaining system efficiency.
Like any heating system, Ecodan works effectively
in properties with high levels of thermal efficiency. Where
possible we recommend undertaking basic improvements in
existing properties such as cavity wall insulation, loft insulation
and double glazing, before installing a heat pump.
In recognition of Ecodan’s status as a low carbon technology,
the cost of VAT is reduced to 5% capital and associated install
costs as opposed to the standard rate of VAT applicable on
all traditional heating systems.
Living with Ecodan
The self-learning control requires no pre-setting for room
temperature control mode, resulting in hassle-free space heating.
Refurbishment
The Ecodan range comes as a complete packaged solution
and is also available as a stand-alone unit. This provides more
choice and flexibility and allows Ecodan to be used with a
greater array of cylinders, making it immediately suitable for
the majority of UK properties that meet modern levels of
thermal insulation.
It also means that unlike many other air source heat pump
systems, Ecodan can be properly retro-fitted to the majority
of houses from the 1950s onwards.
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The system is also working effectively in a 200
year old house in Marlborough, which has been
insulated to match the Building Regulations of
2000. Air source heat pumps are now covered
by Permitted Development legislation because
they can improve the efficiency of existing buildings
although noise levels must be taken into account.
Ecodan is recognised by the Noise Abatement
Society and has received its prestigious Quiet
Mark accreditation.
Selfbuilders
Ecodan is a perfect solution for selfbuilders
who need to adhere to Building Regulations
and any renewable energy targets set by
the local authority.
With Ecodan only requiring electricity, it is
ideal for the many areas of the UK not on
the National Gas Grid.
Government incentives
Ecodan is designed to be eligible for financial
incentives planned by the Government, such
as the Renewable Heat Incentive. The only
condition is that the equipment and the installer
be registered under the Microgeneration
Certification Scheme.
Ideal for off-gas areas
Ecodan can be used to replace any existing
heating system, and offers those in off-gas areas
a viable, low carbon alternative to oil. Ecodan
also offers significant reductions in installation
and running costs compared to oil and with a
professionally maintained Ecodan heat pump
unit offering an average lifespan of 15 - 20 years,
you’ll save on annual maintenance costs too.
Installing Ecodan
You can only buy Ecodan through an Accredited
Ecodan Installer (AEI). This helps to ensure that
your system is optimised to suit your individual
property and consistently delivers the highest
possible performance. AEIs are independent
contractors and plumbers who have demonstrated
that they are appropriately qualified, have attended
the Mitsubishi Electric Ecodan training days and
have met the qualifying criteria.
The Governments 4th Carbon
Plan sees direct carbon emissions
in buildings significantly reduced
by 2030 as a result of improvements
in energy efficiency .
*5
“Ecodan is the ideal solution
for us: no fuss, no mess, and
very economical, I am really
pleased with their performance.
They are also virtually maintenance
free, all that is required is an annual
check by a qualified tradesman to
make sure the units are working
properly and the vents are
clear of debris.”
Keith Maddison, Homeowner
*5 Source DECC
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Renewable
heating solutions
for Housebuilders
& Developers
The need for sustainable homes
There is currently a substantial under supply of
housing stock in the UK. In order to meet the
demand for new homes, the housing sector is
set to increase its build rate.
This means that by the year 2050, over a third of the UK’s
housing stock will have been built inside of four decades.
The Government is therefore focused on using this growth
as the ideal opportunity to cut energy use in homes and is
introducing legislation and guidelines in support of this.
In line with the Government’s aim to significantly improve
energy efficiency and reduce CO2 emissions, legislation
is in place to make sure this happens.
Ecodan provides a proven, efficient
way of heating homes. It can achieve
level 4 of the Code for Sustainable
Homes, and even higher when used in
conjunction with other improvements
such as Photovoltaics.
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A simple solution
Ideal for off-gas areas
The Ecodan range is suitable for the vast majority
of homes, so whether you are building small flats
or large detached houses, Ecodan provides reliable
and efficient space heating and hot water all year round.
With Ecodan only requiring electricity, it is ideal
for the many areas of the UK not on the National
Gas Grid. This removes the need to create
the infrastructure required for gas on a
new development.
Ecodan has received full accreditation for the
Government’s Microgeneration Certification Scheme
(MCS). Please visit the following website
for further details:
www.microgenerationcertification.org
For new-build properties, renewable technologies
such as Ecodan are also eligible for zero VAT.
Please visit this website for further details:
www.hmrc.gov.uk/sectors/consumers/energy-saving.htm
SAP Appendix Q
SAP Appendix Q allows you to enter performance
data specific to Ecodan rather than using the
default ASHP data in SAP. SAP Appendix Q
generates a saving in kWh/year rather than a
set COP. An information video is available
on our website:
Maintenance on an Ecodan system is easier
than gas, oil, LPG or biomass as well, and with
a professionally maintained Ecodan air source
heat pump unit offering an average lifespan of
15 - 20 years, annual maintenance costs are
kept to a minimum.
All new build or refurbishment
projects throughout the UK
must now demonstrate the
use of renewable energy or
face planning refusal.
www.domesticheating.mitsubishielectric.co.uk
“The inclusion of renewable
technology was one of the
reasons we got planning
permission in what is a
green belt area and was
also a major selling feature
when we put the property
on the market.”
Nick Bareham, Landsberry Ltd
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Renewable
heating solutions
for Housing
Associations
Housing Associations are under increased
pressure to adhere to legislation covering both
new-build properties and refurbishments. There is
also a very real need to improve energy efficiency
throughout their portfolio of homes.
Ecodan can help reduce a properties’ carbon footprint, combat
fuel poverty*6 by helping to reduce household running costs
and for new social housing stock, assist in meeting the
demands made in the Code for Sustainable Homes.
Increasingly some local authorities also require Code for
Sustainable Homes standards to be met as a condition of
planning approval. Easy to install Ecodan can help a property
achieve Level 4 of the Code for Sustainable Homes and
helps to lower household running costs.
Fuel Poverty
These Cottsway
Housing Association
tenants saved
enough from their
reduced heating
bills for a family
holiday in the sun.
Ecodan can immediately help reduce running costs to alleviate
fuel poverty. By extracting renewable energy from the outdoor
air the system maximises the energy provided to the household.
It offers a reduction in running costs over gas, LPG and even
more over oil, and direct electric.*7
Mitsubishi Electric is proud to be a supporter of National
Energy Action (NEA) and its efforts to tackle fuel poverty. In
particular, we are committed to working with NEA’s Technical
Team to highlight the difference that the new generation of
air source heat pumps can make to vulnerable householders
who are struggling to pay their fuel bills, particularly for those
people living in off-gas areas.
The relationship with NEA is helping us to have a better
understanding of the individual needs of particular types
of low income households, and the steps required to make
our technology the most easy to use and cost effective
for fuel poor households.
“We knew that tenants would see
a cut in their fuel bills following the
installation of Ecodan, but the level
to which this has happened has
really surprised us.”
Cottsway Housing
*6 A household is said to be in fuel poverty if it needs to spend more than 10%
of its income on fuel to maintain a satisfactory heating regime” - DECC
*7 Potential low energy performance benefits will depend on satisfactory system design
and installation, and operational settings, i.e.how you use the heating system.
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Refurbishment
The Ecodan range comes as a complete
packaged solution and is also available as
a stand-alone unit.
This provides more choice and flexibility and
allows Ecodan to be used with a greater array
of cylinders, making it immediately suitable for
the majority of UK properties that meet modern
levels of thermal insulation.
It also means that unlike many other air source
heat pump systems, Ecodan can be properly
retro-fitted to the majority of houses from the
1950s onwards.
The system is also working effectively in a
200 year old house in Marlborough, which
has been insulated to match the Building
Regulations of 2000.
Air source heat pumps are now covered by
Permitted Development legislation because
they can improve the efficiency of existing
buildings although noise levels must be
taken into account.
Ecodan is recognised by the Noise Abatement
Society and has received its prestigious Quiet
Mark accreditation.
A versatile and
renewable solution
Whether installed in small flats, or large detached
properties, Ecodan can reduce running costs,
lower CO2 emissions and offer reliable, sustainable
heating and hot water all year round for the
majority of homes.
Ecodan can be retro-fitted to almost any property
from the 1950’s up to the present day, and older
properties that have been thermally upgraded
can also benefit from this low carbon alternative
to traditional domestic hot water systems.
Maintenance on an Ecodan system is simpler
than gas, and with a professionally maintained
Ecodan air source heat pump unit offering an
average lifespan of 15 to 20 years, you’ll save
on annual maintenance costs too.
“Reaction to the new technology
has been extremely positive and
tenants are reporting a better
all-round heat in their homes,
whilst experiencing a significant
drop in their fuel costs.”
Vince Wedlock-Ward, Southern Housing Group
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How Ecodan
air source heat
pumps work
Heat pumps take electrical energy and low grade
heat energy from the outdoor air to heat refrigerant
which in turn heats water for domestic use and space
heating. The efficiency of a heat pump is known
as the Coefficient of Performance or CoP. This is
a ratio of the heat delivered to power consumed.
The operation of a heat pump is similar to a refrigerator - but
in reverse. This process is known as the vapour compression
cycle and the following is a more detailed explanation.
*8
At the beginning of the first phase the refrigerant
is a cold low pressure liquid.
1. The refrigerant passes into the evaporator and heat energy from
the outside air passes over the evaporator causing the refrigerant
to increase in temperature and change to a hot gas.
2. This hot gas then enters the compressor where its temperature
increases further as a result of the compression process.
3. The hot refrigerant gas is then condensed as it passes across
one side of a plate heat exchanger. The heat is transferred to the
cooler side (water side) of the heat exchanger, and this is transferred
via the primary water circuit to heat up the water tank inside
the property. As the temperature of the refrigerant decreases
the state changes from a gas back to a cool liquid.
4. Despite dropping in temperature, the cool liquid still has a high
pressure and to reduce this pressure the liquid refrigerant passes
through an expansion valve. This causes the pressure to drop and
the temperature lowers, returning the refrigerant to its initial state
of cool low pressure liquid.
This process is repeated.
It is only the refrigerant that passes through this cycle; the
water is heated as it travels through the plate heat exchanger.
The heat energy from the refrigerant passes through the
plate heat exchanger to the cooler water which increases
in temperature. This heated water enters the home heating
circuit and can also be used to provide domestic hot water
via a hot water cylinder.
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Efficient,
versatile and
renewable
Ecodan air source heat pumps have been
developed by Mitsubishi Electric specifically
for the UK, bringing advanced, inverter-driven
technology to residential properties of any size,
whether refurbished or new build.
Inverter driven heat pumps offer significant energy savings over
fixed-speed heat pumps because they regulate the heat output
to exactly match the household requirements and therefore
consume only the energy needed.
Recognised by the Noise Abatement Society as quiet to run
(45dBA)*9, Ecodan is quick to install, rivals traditional gas or
oil heating systems in its ease of use and easily meets
renewable energy targets.
Ecodan achieves high levels of efficiency
because the system allows the lowest flow
temperature to be targeted whilst still
maintaining the desired room temperature.
It does this by using room temperature as well as outdoor
temperature, making the system respond both faster and
more accurately, creating a more stable and comfortable
home while maintaining system efficiency.
*8 As independently tested by BSRIA based upon BSEN14511 Part 3 standard rating conditions. Due to the
method of operation, the performance of heat pumps will vary based upon the temperature of the heat source
and the requirements of the heat delivered. The BSEN14511 testing relates to the heat pump performance only
and not the entire heating system.
*9 5kW unit measured at 1 metre
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Ecodan
winter trial
results
Live trials of Ecodan over two of the coldest
winters for decades (2009-10 and 2010-11)
have demonstrated that the Ecodan low-carbon
heating system is more than capable of dealing
with the very worst of British weather.
All three models in the range were tested in four different
locations. The properties included a newly built 3-bed terraced
house, a 1950’s 4-bed semi, a large 5-bed detached home,
built in 1999, and the BRE Visitor’s Centre in Watford.
During the trial period, temperatures dropped as low as -10ºC,
but Ecodan still delivered the performance necessary, proving
that they will cope throughout the year in a variety of different
properties and heating configurations.
The Ecodan units in the properties delivered COPs*10 ranging
from 3.0 to 3.33, despite the low temperatures. A level of 3.33
shows that 2.33kW of renewable energy is being harvested
from the surrounding air for every 1kW of electricity used.
The live trials showed that Ecodan
air source heat pumps really are
ready to become the most viable,
mass-market alternative to gas
and oil-fired heating.
*10 Coefficient of Performance (COP) is a measure of the useful energy a system can deliver compared to the energy it consumes.
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Online
‘real-time’
performance
data
A dedicated new website, the Ecodan dashboard
has been designed to demonstrate the effectiveness
of Ecodan in the UK.
The site shows real data gathered from properties around the
country currently using the Ecodan system, along with details
of the age and type of property.*11
Visitors can find out how a unit is performing and see the
running costs, CO2 emissions and energy consumed, in
comparison to gas, oil and direct electric systems.
They can drill down further and see how the unit is performing at
any time of the day, week, month or year, and see the running
costs, CO2 emissions and energy consumed, when compared
to gas, oil and direct electric systems.
The properties use a mixture of the three Ecodan models
(5kW, 8.5kW and 14kW) working with both radiators and under-floor
heating to demonstrate how the systems can work best.
Anyone can quickly see the annual performance of each
property. In addition, the dashboard shows the average
outdoor and indoor temperatures and the highest and
lowest outdoor temperatures during any given period.
www.dashboard.mitsubishielectric.co.uk
*11 Many factors affect the performance of an Ecodan air source heat pump; and in turn the data
displayed on this website. These figures should only be used as a guide to indicate how well an
Ecodan air source heat pump can perform if the system incorporating that heat pump is
designed, installed, commissioned and operated correctly.
Modern air source heat
pumps are still new to many
people, so this dashboard
has been designed to be as
open and transparent as
possible so that homeowners
can see the results
for themselves.
www.dashboard.mitsubishielectric.co.uk
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Ecodan is part
of Mitsubishi
Electric’s whole
house solution
Ecodan is part of Mitsubishi Electric’s range of technically
advanced renewable solutions designed to maximise the
overall efficiency of a home whilst minimising running
costs and carbon emissions.
In 2006, as part of the UK’s growing legislation aimed at reducing
CO2 emissions, the Code for Sustainable Homes was introduced.
Using a rating system of one to six stars, with one star being
above the standard of the current Building Regulations,the
Code awards a rating which depicts the overall sustainable
performance of a house. Working in conjunction, Mitsubishi
Electric’s Ecodan air source heat pump, Photovoltaic’s and
Lossnay fresh air ventilation can help achieve Level 5 of the Code.
In order to achieve the highest levels of efficiency, basic thermal
improvements can be undertaken by the homeowner. These
include cavity wall insulation, loft insulation and double glazing.
Heat - Ecodan Air Source Heat Pumps
use the latest heat pump technology to provide low cost, low
carbon heating and hot water for your home, all year round.
Power - Photovoltaic Systems (PV)
harvest the sun’s energy to generate electricity for use in the
home. To further encourage the use of PV, the UK Government
has introduced a financial incentive scheme to reward
homeowners, called the Feed-in Tariff (FiT).
Ventilate - Lossnay Fresh Air Ventilation
delivers efficient mechanical ventilation throughout the home.
Providing clean, fresh air and ensuring a healthy living environment.
CO2 Emissions Reductions Targets
Page 18
CO2 Emissions
Code level (stars)
Percentage improvement
on Part L 2006
1*
10%
2**
18%
3***
25%
4****
44%
5*****
100%
6******
Zero Carbon
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Mitsubishi
Electric’s whole
house solution
Power
Ventilate
Heat
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Ecodan
Case Studies
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Domestic Heating
Social Housing Case Study
42 Flats, Skelmersdale
Energy efficient future for tenants
Installation Summary
42 warden-assisted flats
Ecodan chosen to lower the building’s
energy rating, improve efficiency and
reduce tenants energy bills
Originally heated by electric heaters
connected to an Economy 7 circuit
One 5kW unit installed for every 2 flats
14kW unit installed to service communal areas
Installed over a period of weeks with tenants in situ
The tenants of 42 warden-assisted flats
owned by West Lancashire Borough
Council, are looking forward to enjoying
reliable, energy efficient heating thanks
to the installation of a number of Ecodan
air source heat pumps which provide
them with low carbon, renewable energy.
In a move to increase the energy rating for the flats in
Beechwood Court, Birkrig, Skelmersdale, the Council
has replaced its old heating system which was run on
a number of direct electric heaters connected to an
'Economy 7' circuit, with Mitsubishi Electric’s energy
efficient, Ecodan system.
Following a review of the old system the Council called
in Accredited Ecodan Installers, Dalliam Ltd, to advise on
an energy efficient, cost effective, low carbon replacement.
Taking into account energy calculations from a survey of
the building, Dalliam’s Managing Director, Bill Tyrer, and
his team set about designing a new system.
“We know that people are often afraid to use their
heating because of the cost, but these residents are
vulnerable and need to keep warm when the weather
conditions are poor. Our priority was to provide them
with a reliable, effective heating and hot water system
that was also affordable,” said Mr Tyrer.
“The new system not only provides that, but has also
lowered both the energy rating and the carbon emissions
for the building, thereby fulfilling the Council’s brief.”
One 5kW Ecodan unit was installed for every two
flats, providing heat via a radiator circuit fitted with
independent lockable heating stats and thermostatic
radiator valves, further helping to save energy costs.
A 14kW Ecodan unit has also been installed to provide
heating and domestic hot water to the warden’s
accommodation and the communal dining area,
and hot water for use in the kitchen, hair salon
and guest rooms.
The replacement project has been carried out over
several weeks and some of the units that were installed
towards the end of last winter have already been given a
thorough testing with the onset of bitterly cold weather,
which saw temperatures dipping down as far -17ºC.
During this time, however, the tenants remained warm
and cosy as the new system maintained a constant
temperature of 24ºC.
Councillor Val Hopley, portfolio holder for Landlord
Services at West Lancashire Borough Council, said:
“ We are incredibly impressed by the
Ecodan system. In fact, during the
very severe weather last year, when
we compared Beechwood Court with
other Council buildings using gas
boilers, it was the only one that did
not fail in some way in its heating
and hot water.”
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Domestic Heating
Off Gas Case Study
4 Bed Refurbishment
Wiltshire village too remote for gas
Installation Summary
200 year old 4 bed detached cottage
Total living space approx. 170m2
Charles and Claire Fox live in a beautiful 200
year old cottage in the small village of Funton
in Wiltshire. Whilst idyllic, the remote location
of Funton means there is no mainline gas
supply, so villagers need to look to other
fuels to heat their homes.
Originally heated by an oil-fired system
Replaced with 8.5kW Ecodan unit
and larger radiators
Installation took 2 days
When the ageing oil-fired heating system needed replacing in
their 4 bed detached cottage, the couple wanted a system
that was more economic to run than their oil system. As an
environmentally aware family who recycle wherever possible
and insulate their home to preserve energy, they were keen
to find a heating system that was more efficient with less
impact on the environment.
Unable to use gas, they considered ‘greener’
alternatives to oil, such as wood, solar thermal
and biomass, but all of these seemed to prove
either insufficient for their needs or too
involved to install, run and maintain.
Replacing their old oil-fired heating system, which had become
increasingly inefficient over the 15 years they’d had it, they
found Ecodan to be much more efficient and effective to run.
Being able to get rid of all the old water tanks and pipes in the
loft freed up a lot of space and having installed larger, more
efficient radiators throughout, their home is now warm enough
without the need to boost the heating with log fires, as they
previously would have done.
Unlike other residents in the village, the Fox family no longer
have to rely on increasingly expensive oil to heat their home
and by converting to Ecodan, from their initial heating bill,
they estimate an annual saving of £500.
In addition, with Ecodan they enjoy a more even temperature
throughout the house. The new system also provides them
with copious amounts of hot water - more than enough for
even their two teenagers who live in the shower!
Ecodan solved this
family’s heating needs
whilst reducing their
CO2 emissions
and fuel bills
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Domestic Heating
Retro-fit Case Study
3 Bed Semi
1955 home gets renewable energy heating
Installation Summary
1955 3 bed semi-detached house
Total living space 102m2
Mains gas supply available
1970’s 60% efficient gas boiler removed
Replaced with 8.5kW Ecodan unit
Installed new, larger radiators fitted with TRV
140 litre indirect unvented cylinder
Installation took 2 days
With their existing gas boiler system reaching
the end of it’s useful life cycle and proving
very inefficient, the family living in this
1950’s house were looking for an
effective replacement.
With diminishing effectiveness and poor carbon emissions,
it was important to replace this ageing system with one that
would provide an increase in performance and energy efficiency.
Being environmentally aware, this family were keen to take
advantage of a heating system using renewable energy. They
needed to find a system that would readily satisfy the heating
and hot water demands of a family of 5 whilst reducing running
costs and carbon emissions. Other heating alternatives using
renewable energy, such as solar thermal and biomass, were
considered but discounted for proving either ineffective or too
high maintenance. A powerful, renewable energy solution was
required. With inconsistent levels of comfort coupled with
escalating gas bills, this home stood to benefit substantially
from a more efficient means of heating.
Unlike the ageing gas system that was previously installed,
Ecodan uses the latest technology to harvest renewable
energy from the outside air to provide central heating and hot
water. Easy to install, the advanced efficiency of Ecodan, is
perfect for this 1950’s home.
Using Ecodan to replace the inefficient gas boiler and installing
larger radiators to work with the lower flow temperatures,
means this home enjoys constant comfort levels for a fraction
of the cost of the old gas boiler. Able to supply all the heating
and hot water this property needs, Ecodan is the ideal, low
carbon replacement these homeowners needed. Changing to
Ecodan has cut this homes carbon footprint by 45% and
improved the efficiency to significantly reduce the annual
running costs. Low cost, low noise and minimal maintenance
make Ecodan a viable alternative to gas.
Ecodan has more than halved their
heating bills and emissions
2011 Monthly Run Costs
View live data from this home at www.dashboard.mitsubishielectric.co.uk
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Domestic Heating
New Build Case Study
New Build
First home couple want efficient heating
Installation Summary
3 bed semi-detached house built in 2008
Total living space 85m2
Mains gas supply available
New build, no previous heating system
Installed 5kW Ecodan unit
210 litre indirect unvented cylinder
Radiators with TRV fitted throughout
Installation took 2 days
Moving into their first home in Bedfordshire,
this young couple were keen to have a
comfortable, yet affordable home for them
and their new baby. They needed a heating
system that would heat their home and hot
water efficiently and help control their
annual running costs.
Being environmentally aware, they were looking for a heating
system to rival conventional gas boilers and help minimise their
carbon footprint. Brick built and double glazed, the house
boasts a high level of thermal efficiency that you’d expect
from a new build. The use of an advanced, modern system to
provide heating and hot water would maximise the homes
efficiency and compliment it perfectly.
Ecodan provides the most efficient means of heating this
home. Using free energy from the outside air to provide central
heating and hot water, the advanced efficiency of Ecodan
provides the perfect, modern heating system to suit this
young couples needs.
For those looking for high performance and
lower running costs, Ecodan provides a
welcome and effective alternative to the more
traditional heating systems on the market.
By installing Ecodan, this new home is kept warm and
comfortable by a high performance system that offers low
running costs and low maintenance. Ecodan’s high efficiency
also keeps carbon emissions to a minimum, satisfying this
young couples aim to reduce their carbon footprint.
Ecodan heating minimises
running costs and carbon
emissions for this couple
2010 Monthly Run Costs
View live data from this home at www.dashboard.mitsubishielectric.co.uk
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Technical
Specifications
DOM HEAT BRO TO PRINT_spreads 29/05/2012 11:27 Page 27
Product Information
Domestic Heating
PUHZ Outdoor Units
Air Source Heat Pumps
Simple to install, cost effective for the homeowner and with outstanding
energy efficiency, Ecodan is ideal for designers, installers and users.
Key Features
Inverter-driven technology
Self contained unit only requiring water and electric connections
PUHZ-W50VHA
No need for gas supply, flues, ventilation
Single phase power supply with a low starting current (3 phase available for 14kW)
Low maintenance
Reduced VAT to 5% for domestic applications (Zero VAT for new build)
Helps achieve Level 4 of the Code for Sustainable Homes
Operates with outside temperatures as low as -20ºC
Available as a stand alone or complete packaged system
PUHZ-W85VHA2
Market leading capacity performance at low outdoor temperatures
Recognised by the Noise Abatement Society for industry leading low noise levels
Certificate Number: MCS HP0002
Product Reference: PUHZ-W50VHA-(BS), PUHZ-W85VHA2-(BS)
PUHZ-HW140VHA2/YHA2-(BS)
PUHZ-HW140VHA2 / YHA2
MOdel
Heating
*1
Heating*2
Dimensions (mm)
PUHZ-W50VHA
Capacity (kW)
COP
Power Input (kW)
Nominal flow rate (L/min)
Capacity (kW)
COP
Power Input (kW)
Nominal flow rate (L/min)
Width
Depth
Height
Weight (kg)
Airflow (m3/min)
Nominal Sound Pressure Level (dBA)*3
Low Noise Mode (dBA) @ 7ºC
Guaranteed Operating Range (Outdoor)
Electrical Supply
Phase
Running Current [Max] (A)
Fuse Rating (MCB sizes BS EN 60898-2) (A)
Licence Number:
UK/31/001 - PUHZ-W50VHA-(BS)
UK/31/002 - PUHZ-W85VHA2-(BS)
UK/31/003 - PUHZ-HW140VHA2/YHA2-(BS)
PUHZ-W85VHA2 PUHZ-HW140VHA2 PUHZ-HW140YHA2
5.0 (1.5-5.0)
3.13
1.60
14.3
5.0 (1.5-5.0)
4.10
1.22
14.3
950
330+30*
8.5 (2.6-8.5)
3.17
2.68
25.8
9.0 (2.7-9.0)
4.18
2.15
25.8
950
330+30*
14.0 (4.2-14.0)
3.11
4.52
40.1
14.0 (4.2-14.0)
4.25
3.31
40.1
1020
330+30*
14.0 (4.2-14.0)
3.11
4.52
40.1
14.0 (4.2-14.0)
4.25
3.31
40.1
1020
330+30*
740
64
50
45▲
40
-15~+35ºC
220-240v, 50Hz
Single
5.4 [13]
16
943
77
55
48▲
42
-20~+35ºC
220-240v, 50Hz
Single
10.3 [23]
25
1350
134
100
53▲
46
-25~+35ºC
220-240v, 50Hz
Single
14.9 [35]
40
1350
148
100
53▲
46
-25~+35ºC
380-415v, 50Hz
3
5.1 [13]
16
*Grille ▲At distance of 1m from outdoor unit
Nominal operating condition:
Nominal operating condition as tested to BS EN14511:
*1 Heating (A2/W35) Outside air temperature (dry)
+2ºC
*2 Heating (A7/W35) Outside air temperature (dry)
+7ºC
Outside air temperature (humid) +1ºC
Outside air temperature (humid) +6ºC
Water temperature (inlet/outlet) +30/+35ºC
Water temperature (inlet/outlet) +30/+35ºC
*3 Sound power level of the W50 is 61dBA, W85 is 62.5dBA, HW140V is 65.5dBA and HW140Y is 67.5dBA. Tested to BS EN12102.
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Domestic Heating
Product Information
CAHV Monobloc System
CAHV Monobloc System
Specifically designed for large applications, the Ecodan CAHV air
source heat pump monobloc system can operate singularly, or form
part of a multiple unit system. The CAHV also comes equipped with a
wide range of controller features as standard.
A multiple unit system has the ability to cascade available units on and off to meet
the load from a building. As an example of this modulation, a 16 unit system allows
0.5kW increments of capacity, from 18kW all the way up to 688kW.
CAHV-P500YA-HPB
This level of modulation is unprecedented within the heating industry and with
cascade and rotation built in as standard, the Ecodan CAHV system is perfectly
suited to a wide range of commercial applications.
Key Features
Multiple unit cascade control of up to 688kW capacity
Split refrigerant circuits within each CAHV provide 50% back up
Certificate Number: MCS HP0002
Product Reference: CAHV-P500YA-HPB
Ability to rotate units based on accumulated run hours
Provides from 25ºC up to 70°C water flow temperatures without boost heaters
Low maintenance, hermetically-sealed monobloc design
Low on-site refrigerant volume
HIC (Zubadan) technology delivers 43kW at -3ºC
with minimal drop off down to -20ºC
CAHV-P500YA-HPB
MOdel
Heating*1
(A7/ W35)
Heating*2
(A-3/ W35)
Water Pressure Drop*1 *2 (kPa)
Temperature Range
Capacity (kW)
Power Input (kW)
Running Current [MAX] (A)
COP
Capacity (kW)
Power Input (kW)
Running Current [MAX] (A)
COP
Outlet Water Temperature
Outdoor Temperature D.B
Circulating Water Volume Range
Sound Pressure Level (measured in anechoic room)*1 at 1m (dBA)*3
Sound Pressure Level (measured in anechoic room)*1 at 10m (dBA)*3
Diameter of Water Pipe Connection mm(in) Inlet
Outlet
External Finish
Dimensions (mm)
Width
Depth
Height
Weight (kg)
Electrical Supply
Phase
Compressor
Refrigerant
Type x original charge
Control
*1
*2
*3
45
10.9
17.6 [52.9]
4.13
43
15.2
24.58 [52.9]
2.80
18
25-70°C
-20-40°C
7.5m3/h - 15.0m3/h
59
51
38.1 (Rc 1 1/2”) screw
38.1 (Rc 1 1/2”) screw
Acrylic painted steel plate - MUNSELL 5Y 6/1 or similar
1978
759
1710 (1650 without legs)
526
380-415v, 50Hz
3
Inverter scroll hematic compressor
R407c x (5.5kg) x 2
LEV and HIC circuit
Under normal heating conditions at outdoor temp; 7°CDB / 6°CWB, outlet water temp 35°C, inlet water temp 30°C as tested to BS EN14511.
Under normal heating conditions at outdoor temp; -3°CDB / -4°CWB, outlet water temp 35°C, inlet water temp 30°C.
Sound power level 70.7dBA tested to BS EN12102.
n Please don't use the steel material for the water piping material. n Please always make water circulate or pull out the circulation water completely when not using it.
n Please do not use groundwater or well water. n Install the unit in an environment where the wet bulb temperature will not exceed 32°C. n The water circuit must be a closed circuit.
Page 27
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Domestic Heating
Product Information
Packaged Cylinder Unit
Packaged Cylinder Unit
The Packaged Cylinder Unit is the latest generation hot water tank with
integrated hydraulic components and advanced user friendly controls.
Designed specifically by Mitsubishi Electric to integrate with the Ecodan air source
heat pumps, the packaged cylinder unit provides improved performance with
simplified graphical user interface control.
Key Features
Simple graphical control
Energy efficient space heating control
Back-up electrical heaters
Compatible with Mitsubishi Electric wireless room controllers
Sleek modern design
Pre-plumbed and wired for faster installation
EHPT20XVM2HA
Self learning controller
Mitsubishi Electric’s third-generation controller includes intelligent,
self-learning room temperature control as standard, with an
advanced weather compensation system, which ensures the
central heating delivers a comfortable temperature regardless of
the season.
EHPT20XVM2HA
MOdel
Nominal domestic hot water volume
Overall unit dimensions
Weight (empty/full)
Unvented expansion vessel
Safety Device
Water circuit
Booster heater
DHW tank
Primary circuit circulating pump
Connections
Operating ambient condition
Electrical data
Water
Control board
Booster heater
Immersion heater
Page 28
Nominal volume
Charge pressure
Control thermistor
Pressure relief valve
Flow switch
Control thermistor
Manual reset thermostat
Thermal cut off
Control thermistor
Temp & pressure relief valve
Power supply (phase, voltage frequency)
Breaker (*when powered from independent source)
Power supply (phase, voltage frequency)
Capacity
Current
Breaker
Power supply (phase, voltage frequency)
Capacity
Current
Breaker
200L
1600 x 595 x 680 mm (HxWxD)
119kg/332kg
12L
1 bar
25 - 60ºC
0.3MPa (3bar)
Min flow 5.5l/min
80ºC
90ºC
121ºC
40-70ºC
90C/0.7MPa (7bar)
Grundfos UPSO 25-70 180
Primary circuit 28mm/DHW circuit 22mm
0 - 35ºC (<80%)
~/N, 230V, 50 Hz
10A
~/N, 230V, 50 Hz
2kW
9A
16A
~/N, 230V, 50 Hz
3kW
13A
16A
DOM HEAT BRO TO PRINT_spreads 29/05/2012 11:27 Page 30
Domestic Heating
Product Information
Packaged Hydrobox
Packaged Hydrobox
The Packaged Hydrobox offers a highly adaptable heating solution for
retro-fit or new build.
Designed specifically by Mitsubishi Electric to integrate with the Ecodan air source
heat pump range and a third party cylinder if required, the Packaged Hydrobox
provides hydraulic components with a simplified graphical user interface.
Key Features
Simple graphical control
Energy efficient space heating control
Sleek modern design
EHPX-VM2A
Compatible with Mitsubishi Electric wireless room controllers
Pre-plumbed and wired for faster installation
Self learning controller
Mitsubishi Electric’s third-generation controller includes intelligent,
self-learning room temperature control as standard, with an
advanced weather compensation system, which ensures the
central heating delivers a comfortable temperature regardless of
the season.
EHPX-VM2A
MOdel
Overall unit dimensions
Weight (empty/full)
Unvented expansion vessel
Primary Circuit
Safety Device
Water circuit
Booster heater
Primary circuit circulating pump
Connections
Operating ambient condition
Electrical data
Nominal volume
Charge pressure
Control thermistor
Pressure relief valve
Flow switch
Control thermistor
Manual reset thermostat
Thermal cut off
Water
Control board
Booster heater
Power supply (phase, voltage frequency)
Breaker (*when powered from independent source)
Power supply (phase, voltage frequency)
Capacity
Current
Breaker
800 x 520 x 360 mm (HxWxD)
39kg/44kg
10Ltr
1 bar
1 - 80°C
0.3MPa (3bar)
Min flow 5.5l/min
80°C
90°C
121°C
Grundfos UPSO 25-70 180
Primary circuit 28mm
0 - 35ºC (<80%)
~/N, 230V, 50 Hz
10A
~/N, 230V, 50 Hz
2kW
9A
16A
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Quality
assured
manufacturing
Mitsubishi Electric’s manufacturing facility in
Livingston, Scotland produces Ecodan air source
heat pumps, controls and cylinders for the UK
and European markets.
The production facility, custom-built by the company in 1994,
currently employs 420 staff and includes specially adapted
and scalable production lines for Ecodan air source heat pumps,
a new cylinder and a purpose built Ecodan testing facility.
Mitsubishi Electric’s manufacturing plants are all ISO14001
and ISO9001 registered, an international benchmark ensuring
we meet and continually improve upon quality and
environmental standards.
Mitsubishi Electric is committed to lowering its own production
emissions levels and those generated by its equipment during
the product’s lifetime. Our Green Gateway philosophy strives
to improve energy efficiency throughout the UK, encouraging
businesses to take a more responsible approach to energy
use, in order achieve climate goals. We also partner with
Sustainable Energy Europe, whose aim is to raise
awareness of energy use within Europe.
Quiet Mark
The Ecodan range is the first air source heat pump to
receive the official backing of the Noise Abatement Society
which has awarded it the new ‘Quiet Mark’ of approval.
www.quietmark.co.uk
The Microgeneration Certification Scheme
The MCS certifies microgeneration technologies used to
produce electricity and heat from renewable sources.
It is also linked to financial incentives which include the
Renewable Heat Incentive (RHI). The complete range
of Ecodan air source heat pumps has received full
MCS accreditation.
www.microgenerationcertification.org
The European Eco-label
The European Eco-label also known as “the Flower”
denotes products and services with superior environmental
performance. Products bearing the label are certified to
meet EU-wide environmental criteria, and compliance is
independently verified by an approved body.
The Eco-label scheme is voluntary and represents products
with market leading environmental performance. It is available
for many consumer and commercial product groups and now
includes heat pumps. The Ecodan PUHZ range of products
meets the schemes criteria.
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We are committed
to lowering our own
production emissions
levels and those
generated by
our equipment
DOM HEAT BRO TO PRINT_spreads 29/05/2012 11:27 Page 33
Responsible,
sustainable
manufacturing
As a leading provider of environmental
technologies, Mitsubishi Electric prides itself
on using responsible, sustainable manufacturing
processes that take energy use, efficiency and
the impact on the environment very seriously.
Our production facilities are committed to sustainable
business practices such as energy and resource efficiency,
minimising ecological impacts and reducing greenhouse
gas emissions.
In line with our aim to improve all round performance
and energy efficiency throughout all our operations,
we set and adhere to the highest environmental
standards to protect the world in which we live.
Global Environmental Vision 2021
Mitsubishi Electric’s Global Environmental Vision 2021
sets a goal for a lower emission future that influences
all our policy decisions.
www.mitsubishielectric.com/eco
Green Gateway
Green Gateway is Mitsubishi Electric Living Environmental
System’s commitment to the environment. It strives to instill
positive changes in Mitsubishi Electric’s own operations as
well as seeking to influence those of its customers.
www.greengateway.mitsubishielectric.co.uk
Page 32
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Micropower Council
The Micropower Council is a body that concentrates
on all issues that surround microgeneration, which
are defined as those technologies that produce
renewable heat and power on a domestic
and small business scale.
All technologies are represented, such as solar
thermal, PV, heat pumps, micro combined heat
and power and biomass. Members also include
utility companies such as British Gas, EON and
EDF to name but a few.
www.micropower.co.uk
Green Building Council
The UK Green Building Council is part of a worldwide
network of green building councils looking to
radically improve the sustainability of the built
environment, by transforming the way it is planned,
designed, constructed, maintained and operated.
Mitsubishi Electric is a member of the UK Green
Building Council and has a permanent exhibition
stand in the Council’s headquarters, at The Building
Centre in London, where it showcases a range
of products.
www.ukgbc.org
We set and adhere to the
highest environmental
standards to protect the
world in which we live
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Make a world
of difference
with Ecodan
Ecodan has the high level of pre-sales and after sales
service you’d expect from a leading manufacturer such as
Mitsubishi Electric.
As the demand for renewable solutions grows, we recognise that
our continued success relies on our satisfied customers experiencing
high performance systems that are efficient, effective and reliable.
By investing 5% of our total turnover in research and development,
we aim to deliver renewable solutions that will do just that.
Accredited Ecodan Installers
Mitsubishi Electric operates a Partner Programme designed to
raise industry standards and ensure customers receive a consistent,
professional service on which they can rely. Accordingly, Ecodan
can only be installed by one of our Accredited Ecodan Installer
partners who have undergone our specific training.
For further information and to find your nearest
Accredited Ecodan Installers please visit:
www.domesticheating.mitsubishielectric.co.uk
In depth training
Mitsubishi Electric provides high level training at state-of-the-art
facilities across the UK. The in-depth programme covers all
aspects of design, installation and maintenance to ensure its
installers are fully qualified to gain optimum performance from
every Ecodan system.
Ecodan is offered with a full warranty
Every Ecodan air source heat pump and Ecodan packaged
cylinder benefits from a 3 year warranty as standard, subject
to the following conditions:
The Ecodan purchase and installation is registered with
Mitsubishi Electric
The Ecodan must be installed and commissioned by an
Accredited Ecodan Installer
Annual maintenance must be carried out and reports made
available to Mitsubishi Electric upon request
Choosing Ecodan from Mitsubishi
Electric can help make a world of
difference to your energy use
today and beyond
Page 34
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Award winning Ecodan
from Mitsubishi Electric
Professional Heating and Plumbing Installer Awards 2012 - Top Product 2011 - Ecodan (Winner)
National Heat Pump Awards 2011 - Installation of the Year, Domestic Air Source Heat Pump (Winner)
Scottish VIBES Awards 2010 - M-ACE and Ecodan (Winner)
Sustain Magazine Awards 2010 - Ecodan (Finalist for Product of the Year)
European Eco-Label - November 2009
Micropower Awards 2009 - Highly Commended
Rushlight Awards 2009 - Ground & Air Source Power Award
Energy Institute Awards 2008 - Technology Award
Interbuild Awards 2008 - Building Services Product Award
Environment & Energy Awards 2008 - The Environment Energy Product/Service Award
Mitsubishi Electric are committed to promoting the use of renewable energy
technologies throughout the industry and are pleased to support the
following organisations:
Federation of Environmental Trade Associations (FETA)
Micropower Council
Heating and Hot Water Industry Council (HHIC)
Heat Pump Association (HPA)
Heating and Ventilating Contractors’ Association (HVCA)
National Energy Action (NEA)
Chartered Institute of Building Services Engineers (CIBSE)
Building Services research and Information Association (BSRIA)
Association of Plumbing and Heating Contractors (APHC)
National Self Build Association (NaSBA)
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