Rebates & help
Home Energy Rebates by State: Which States Have Launched in 2026
Which states have launched federal Home Energy Rebates (HOMES and HEAR), what DOE Notice 26-2 changed in 2026, and how to apply in your state.
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Guides tagged “heat pumps”
7 Home Energy Guide Hub guides about heat pumps, with sources and dates.
Rebates & help
Energy Tax Credits in 2026: What Ended, What You Can Still Claim
The 25C and 25D home energy tax credits ended after 2025. Here is what you can still claim on a 2025 return and what help remains for 2026 upgrades.
Water heating
Heat Pump Water Heaters: Savings, Sizing and Installation Guide
How much a heat pump water heater saves, how to size it with first hour rating and UEF, where it can go, 120V vs 240V, costs, and how it compares with gas.
Heating & cooling
Cold-Climate Heat Pumps: Do They Really Work Below Freezing?
How cold-climate heat pumps perform below freezing, what the ENERGY STAR cold-climate label requires at 5°F, how to use the NEEP list and plan backup heat.
Audits & planning
How to Lower Your Energy Bill: No-Cost, Low-Cost and Big Upgrades
Ways to lower your energy bill, ranked from free habit changes to low-cost fixes and big upgrades, with official savings figures and where to find help.
Heating & cooling
Heat Pumps for Your Home: Cost, Savings and How to Choose
What a heat pump costs to run in 2026, how much it can save versus a furnace, AC or baseboard heat, how to read SEER2 and HSPF2, and what help is left.
Thermostats & controls
Smart Thermostat Savings: What You Can Really Expect
How much a smart thermostat saves, which settings matter, heat pump and C-wire compatibility, and how utility demand-response programs pay you.