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If you own a typical U.S. home, heating and air conditioning account
for about 56%
of your energy use. Heating is the largest energy expense in most
homes, accounting for almost two-thirds of annual energy bills in
colder areas of the country.
Heating systems in the United States emit a billion tons of carbon
dioxide (CO2) and about 12% of the sulfur dioxide and nitrogen oxides
emitted by the nation. Reducing energy use for heating is the single
most effective way to reduce your home's contribution to global
environmental problems.
You can substantially reduce this energy use by adding efficient
controls and by making full use of solar
energy. If your heating system or air conditioner is old or
inefficient, it may also be cost effective to replace it with a
newer high-efficiency design.
Adding
Efficient Controls to Your Heating or Cooling System
Replacing
Your Furnace or Boiler
Lowering
the Energy Use of Your Furnace or Boiler
Supplementing
Your Furnace with Wood Heat
Cooling
Your Home Efficiently
Using a
Heat Pump to Heat and Cool Your Home
Improving
the Efficiency of Your Duct System
Overview
of Heating and Cooling Systems
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