Saving Energy on Heating and Cooling

Saving Energy on Heating and Cooling
Saving Energy on Heating
and Cooling
Furnace and Air Conditioning guidelines easy
things you can do to save energy and money
Heating and cooling your home are two of the most significant energy investments
you can make. By following these simple guidelines, you can increase energy
efficiency and better manage your energy costs.
Ways to manage your
heating costs
Tune up for efficiency
■ Maintaining an efficient heating
system is an important step to
conserving energy. Have your heating
system serviced once every two years,
and never try to repair it yourself.
■ If your heating system has a filter,
clean or replace it every month
during the heating season.
■ Your furnace or boiler needs air to
work properly (and efficiently). Don’t
close it off with walls, debris or other
Turn down for savings
For every 1° F you set your thermostat back, you can save one to three
percent on your annual heating costs.
■ Turn down the thermostat every time
you leave the house for two or more
hours, and every night before you go
to bed. It takes less energy to warm
up a cool house than to maintain a
warm temperature all day and night.
■ Installing an automatic setback thermostat is an inexpensive, easy way to
maintain comfort and cut heating
costs. You can program it to turn the
heating system up and down at preset times.
Insulate your attic, walls, ceilings and
floors to prevent heat escaping to the
outdoors. Insulation improves your
comfort as well as the efficiency of
your home–and that means more
savings for you.
Apply the same principle to your
personal comfort. Wear several layers
of clothing to keep yourself warmer
while keeping the thermostat down.
Take advantage of the sun: open
drapes during the day to capture
warmth and close them at night to
prevent heat loss through windows.
Seal air leaks
■ Cold air let in by air leaks can
increase your energy use, so seal all
holes and cracks where cold air can
get in.
■ It’s especially important to caulk
windows and weatherstrip around
door frames.
■ Other air-sealing tips include shutting off heat to unused rooms and
closing the fireplace damper.
■ Remove window air conditioning
units during the cold months to
reduce drafts. If this isn’t possible,
cover the inside and outside of the
unit with plastic.
■ You can also move furniture to
warmer spots in the room to avoid
cold drafts and stay more comfortable.
Use portable space heaters with caution
Portable space heaters can actually
increase your energy costs and pose a
safety hazard as well. To use space
heaters safely:
■ Keep a three-foot clearance between
furniture and heating elements.
■ Check electric space heaters for
frayed cords.
■ Unplug portable space heaters when
not in use.
Additional safety tips
■ Use oil, gas, kerosene or wood-burning stoves only when they are vented
to the outdoors.
■ Use gas ovens for cooking only.
Ovens should never be used for
heating because they are not vented.
Stay cool and save energy at the same
Cooling your home with central air can
use almost as much energy as heating
your home. So follow these tips to use
energy more efficiently and better control your cooling costs.
Limit central air use
Use central air only when necessary.
When the weather is cooler, use other
options to cool off, such as opening
windows or using a fan.
When you do turn on the central air,
set the thermostat as high as is comfortable. The minimum recommended temperature for energy
efficiency is 78° F. (A room cooled to
75° F costs 18 percent more than a
room cooled to 78° F.)
If your air conditioner has a timer,
set it to turn on the unit no more
than 30 minutes before you expect to
return home. That’s plenty of time to
make rooms cool and comfortable.
Keep window air conditioner units at
peak efficiency
■ Change or wash the air filter once a
month during the cooling season.
■ Have your window units tuned up
once a year.
■ Fill cracks and gaps around the
air conditioner with foam weatherstripping.
Use a fan
Fans are the least expensive cooling
equipment you can use.
■ When the humidity isn’t too high,
use window fans to blow cool air into
your home.
■ A ceiling fan can provide constant
breezes for increased comfort.
■ Use a fan in conjunction with air
conditioners to avoid having to set
the air conditioning too low.
Additional tips
■ Keep all windows closed when the air
conditioner is on.
■ When using air conditioning, shade
any windows that get direct sunlight
to reduce radiant heat in the room.
■ Cool things down by reducing the
amount of heat generated in your
house. Turn off lights when they’re
not needed, and avoid cooking,
bathing or washing clothes during
the hottest hours of the day.
National Grid, through the transmission and distribution of electricity
and natural gas, serves close to 4
million customers across 29,000
square miles of Massachusetts,
New Hampshire, New York and
Rhode Island. Its parent company,
National Grid plc, is an international
energy delivery business located in
the U.K. with principal activities in
the regulated electricity and natural
gas industries.
National Grid
25 Research Drive
Westborough, MA 01582
1-800-932-3223 MA, NH, RI
1-800-642-4272 NY
NY1020 10/05
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