Heat Pump Guides & Calculators

13 expert guides covering air-source, ground-source, sizing, efficiency, costs, and tax credits

Sizing calculators
HSPF2 ratings
State + utility rebates

Browse by Topic

Buying Guides

Best heat pump recommendations and buying guides

7 guides

Best Cold Climate Heat Pumps (Down to -15°F)

The 6 best cold-climate heat pumps for sub-zero heating in 2026, ranked by manufacturer-published HSPF2 and NEEP-listed capacity retention at 5°F, 0°F, and below.

Best Mini Split Heat Pumps in 2026 (Heating + Cooling)

The 8 best mini split heat pump models in 2026, ranked on manufacturer-published efficiency, cold-weather performance, noise, warranty, and price.

8 Disadvantages of Air-Source Heat Pumps (Honest Guide)

Heat pumps aren't perfect for everyone. Here are the 8 real disadvantages — higher upfront cost, cold-weather efficiency loss, noise, electrical upgrades, and more — with honest data and workarounds.

Heat Pump Installation Cost: Complete Pricing Guide (2026)

Heat pump installation costs $4,500–$12,500 in 2026 for a ducted system, or $2,700–$19,000 for mini splits. See full cost breakdowns by type, brand, region, and system size.

Heat Pumps: Complete Homeowner's Guide (2026)

Everything you need to know about heat pumps in 2026 — how they work, types, costs, efficiency ratings, installation, tax credits, and whether a heat pump is right for your home.

Do Heat Pumps Work in Cold Weather? (Below Freezing Guide)

Modern cold-climate heat pumps work down to −15 °F and maintain heating efficiency far below freezing. Here's exactly what happens to performance as temperature drops, with data from real installations.

Heat Pump vs Mini Split: Complete Comparison Guide (2024)

Professional comparison of traditional heat pumps vs mini split systems. Cost analysis, efficiency ratings, installation requirements, and expert recommendations for every home type.