dual fuel

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…