Sizing
Heat Pump Size Calculator: Capacity, Balance Point and Backup Heat
A heat pump sold as 3 tons may deliver only about 19,160 Btu/h at 9°F: 53% of our example home's 36,000 Btu/h…
Tools
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Furnace or Heat PumpHeat Pump vs Gas Furnace Calculator
At US average prices, a heat pump at COP 3.0 ties an 80% furnace and costs about $98 a year more to…
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SizingMini Split Size Calculator: What Size Do You Need?
ENERGY STAR's chart puts a 600 sq ft room at 14,000 Btu/h of cooling, but in a cold climate heating can set…