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Heat Pump Guides & Calculators

In-depth guides covering air-source, ground-source, sizing, efficiency, costs, and tax credits

Sizing calculators
HSPF2 ratings
State + utility rebates

Popular Tools & Calculators

Heat Pump Sizing

BTU calculation

Running Cost

Monthly costs

vs Furnace

Cost comparison

Rebates

HEAR rebates of up to $8,000 for income-qualified households, where your state's program is open

Browse by Topic

Installation & Costs

Installation costs, quotes, and pricing analysis

3 guides

Heat Pump Installation Cost: 2026 Guide by System Type

A ducted 3-ton air-source heat pump runs about $7,450 to $19,250 installed (about $13,350 at the mid estimate); single-zone mini splits start around $4,500, and NREL REMDB does not price geothermal. See cost by system type and size, what raises a quote, and current tax credits and rebates.

Heat Pump Electricity Use and Running Cost (Calculator)

How much electricity a heat pump uses by climate zone, in kWh per month and year, what it costs to run at your rate, and the cost per million BTU against gas, propane and oil.

Heat Pumps: A Homeowner's Guide to Cost, Efficiency and Cold Weather (2026)

How heat pumps work, types and costs, HSPF2 and SEER2, running cost vs gas and oil, cold-climate performance, and 2026 rebates after 25C ended.

Tax Credits & Rebates

Federal tax credits, rebates, and incentive programs

1 guide

Heat Pump Tax Credits & Rebates 2026: What Changed After Section 25C Expired

No federal tax credit applies to heat pumps installed in 2026. What you can still claim for a 2025 install, how the HEAR rebate works for heat pumps, and what utilities pay.

Comparisons

Heat pump vs furnace, gas vs electric comparisons

1 guide

Air-Source vs Ground-Source Heat Pump: Which Is Right for You? (2026)

Air-source and ground-source (geothermal) heat pumps compared: how each works, why the ground's steady temperature raises efficiency, running cost, installation, and which fits your home.

General

General heat pump information and guides

1 guide

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

How heat pumps perform below freezing: capacity and efficiency at 17°F and 5°F, what ENERGY STAR's cold-climate label requires, defrost, balance points and backup heat.

Featured Heat Pump Guides

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Heat Pumps: A Homeowner's Guide to Cost, Efficiency and Cold Weather (2026)

How heat pumps work, types and costs, HSPF2 and SEER2, running cost vs gas and oil, cold-climate performance, and 2026 rebates after 25C ended.

13 min read