Check thermostat settings, filters, and fuel supply first when your furnace blows cold air. Call an HVAC technician for issues like sensor failures, clogged burners, or duct leaks. Skipping routine ...

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A time may come when the majority of U.S. homeowners use heat pumps to heat and cool their homes, but we’re not there yet. According to Elements, in 2020 more than half of U.S. homes had forced-air ...