Furnace & Heat Pump Sizing Calculator (BTU)
Estimate the heating capacity a room or addition needs, so you can size a furnace zone, a cold-climate heat pump, or a supplemental heater correctly before you call for a quote.
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Furnace & Heat Pump Sizing Calculator (BTU)
Estimate the heating capacity a room or addition needs, so you can size a furnace zone, a cold-climate heat pump, or a supplemental heater correctly before you call for a quote.
This calculator gives a room-level estimate based on standard conditions. Actual requirements depend on insulation, window count, ductwork, and the rest of the home. Book a full heat-loss assessment for an installed-system quote.
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