Does a gas furnace need electricity? Yes! The blower fan motor, the electronic ignition systems, and the programmable thermostat require it.
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Combustion Furnaces Building America Solution Center, 51% OFF
ROYALTON 88,000 BTU 95% AFUE Single-Stage Upflow/Horizontal Forced Air Natural Gas Furnace with ECM Blower Motor 95G1UH090CE16 - The Home Depot
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Is it okay for the fresh air intake to be inside the house? : r/hvacadvice