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Gas Furnaces
Most home comfort systems have two parts: an outdoor air conditioner
or heat pump, and an indoor unit, a furnace. Furnaces heat and circulate
warm air in the winter. They also take cool air from the outdoor
unit and circulate it through your home in summer. The indoor and
outdoor units are designed to work together. When the furnace is
properly matched with a heat
pump or air
conditioner, you enjoy maximum efficiency and extended system
life. Furnace heating ability is measured with an Annual Fuel Utilization
Efficiency (AFUE) percentage. A higher AFUE percentage indicates
a more efficient furnace. |