Heat Pump Maintenance Checklist: Seasonal Tasks, Filters, Coils, and What to Leave to a Pro
The seasonal tasks that keep a heat pump efficient and out of trouble: filters, coil rinsing, clearances, winter ice checks,…
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Every heat pump review, comparison, buying guide and explainer we publish, newest first.
DOE Cold Climate Heat Pump Challenge: The Models That Made It to Market
Carrier, Bosch and Lennox challenge-derived heat pumps are on sale, with York and Trane next. Here is what the DOE…
Heat Pump Installation: What to Expect From Quote to Commissioning
The ten steps of a proper heat pump installation, from Manual J to a documented commissioning test, plus quote red…
Heat Pump Cost in 2026: Installed Prices, Operating Costs, and What Incentives Are Left
Installed price ranges for every type of heat pump in 2026, the factors that move the bill, operating cost versus…
Heat Pump Sizing Guide: Tons, BTU, Manual J, and Why Bigger Is Not Better
Tons, BTU, Manual J, and climate zones explained, plus a tonnage-by-square-footage table and why sizing for heating matters in cold…
The Federal Heat Pump Tax Credit Is Gone. Here Is What Still Pays in 2026
No federal 25C credit applies to 2026 heat pump installs. State HEAR and HOMES rebates, utility programs and a few…
SEER2, HSPF2, EER2, and COP Explained: How to Read Heat Pump Efficiency Ratings
What SEER2, HSPF2, EER2, and COP actually measure, why ratings dropped in 2023, the federal minimums for 2026, and a…
How Heat Pumps Work: The Refrigeration Cycle, Reversing Valves, and Why Efficiency Beats 100%
A heat pump moves heat instead of making it. Here is how the refrigeration cycle, reversing valve, and inverter compressor…
R-454B and the Refrigerant Transition in 2026: What the Shortage Left Behind
New heat pumps now ship with A2L refrigerants. Here is how the 2025 R-454B shortage played out, why R-410A repairs…