Heat Pump Guides & Calculators

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

Sizing calculators
HSPF2 ratings
Tax credits up to $2,000

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Buying Guides

Best heat pump recommendations and buying guides

7 guides

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

We tested and compared 12 cold-climate heat pumps rated for sub-zero operation. Here are the 6 best models for heating in extreme cold — with real performance data at 5°F, 0°F, and below.

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

We compared 38 mini split heat pump models on efficiency, cold-weather performance, noise, warranty, and price. Here are the 8 best picks for every budget and climate.

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 Tax Credits & Rebates: 2026 Federal Guide

Get up to $2,000 in federal tax credits and $8,000+ in rebates for a heat pump in 2026. Complete guide to 25C credits, HEEHRA rebates, state incentives, and how to claim them.