What Is a Modulating Furnace and How Does It Work?

By Tom Moor•December 5, 2023

Air vent located on floor

Air vent located on floor

What Is a Modulating Furnace and How Does It Work?

Woman covering her ears because of a furnace buzzing noise

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Woman bundled up inside to stay warm

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HVAC technician installing heat pump

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Homeowner adjusting thermostat

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Couple adjusting their thermostat

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Air duct components

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