Heating is an energy-intensive area of home ownership in which a lot of energy can go to waste if used incorrectly. It accounts for more than 30 percent of energy use in an average American home. That’s why with the right gas furnace, the average Philadelphia homeowner can benefit from greater energy efficiency, lower heating costs, and lower impact on the environment. How a Gas Furnace Works A gas furnace goes into action when the room temperature drops below the set temperature. Once detected, the furnace thermostat signals the system to deliver natural gas to the burners and for the blower to turn on. The burning gas creates heat in the heat exchanger, where air is pushed in, then out to the rooms through ductwork.
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