ENERGY STAR Most Efficient Heat Pumps in 2026: What the Label Requires Now
With ENERGY STAR moving to DOE, the 2025 Most Efficient criteria remain the reference for heat pumps. Here are the…
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EER2
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…