Emergency Heat vs Auxiliary Heat: What the Difference Is and Why It Matters
Aux heat is automatic backup that helps your heat pump. Emergency heat is a manual mode that switches the heat…
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Heat Pump vs Air Conditioner: What Is Different, What It Costs, and Which to Buy
A heat pump is an air conditioner that can run in reverse. It costs about $1,000–$3,000 more and pays off…
Heat Pump vs Gas Furnace: Operating Cost Math, Cold Weather, Emissions and What to Buy in 2026
At 2026 average prices a heat pump beats a 96% furnace on running cost above a COP of about 3.2.…
The Best Heat Pumps for Cold Climates in 2026 (and How to Read the NEEP List)
Six cold-climate heat pumps that keep heating below zero, plus how to use the NEEP list, capacity and COP at…