How we calculate cost estimates

Where our pricing data comes from

Each calculator combines several authoritative sources for heat pump equipment, installation, and operating cost. We cross-check them against each other before publishing a base price, and we re-check them every quarter.

• AHRI Directory of Certified Product Performance — the industry reference for verified SEER2, HSPF2, and capacity ratings on every air-source and ground-source heat pump system.
• Manufacturer MSRP lists from major heat pump brands (Mitsubishi, Daikin, Carrier, Trane, Bosch, LG, Fujitsu, Bryant, and others) covering ducted, ductless, and cold-climate models.
• US Department of Energy climate zone load assumptions, residential building stock data, and incentive program databases including the IRA 25C tax credit and HEEHRA rebate guidance.
• US Bureau of Labor Statistics, particularly the Occupational Employment and Wage Statistics (OEWS) survey, for metro-area HVAC installer wages.
• US Energy Information Administration (EIA) residential electricity, natural gas, propane, and heating oil prices by state, used in our operating-cost math.
• Contractor surveys we conduct directly with licensed HVAC installers to ground-truth assumptions against actual job tickets.

How we calculate regional differences

Every calculator applies a regional multiplier on top of its national base estimate. The multipliers are derived primarily from BLS metro wage data for HVAC mechanics and installers, combined with state-level residential electricity prices. High-cost coastal metros sit in the 1.15×–1.30× range. Most of the Sun Belt, Midwest, and Mountain West sit at or slightly below national average. The South-Central US sits in the 0.85×–0.92× range. Operating-cost math uses the most recent state-level EIA residential electricity rate.

What our estimates include

• Equipment cost at typical contractor pricing.
• Standard installation labor at typical local wage rates.
• Refrigerant line set, control wiring, and basic electrical work.
• Basic municipal HVAC permits and a typical startup commissioning.
• Disposal of removed equipment.

What our estimates don't include

• Electrical service panel upgrades when a heat pump load exceeds existing service capacity.
• Ductwork repair, replacement, or new ducted installs in homes without existing distribution.
• Backup heat (electric resistance strips, dual-fuel furnace retention) unless explicitly selected.
• Federal, state, or utility incentives — these are shown separately where calculators support them.
• Financing costs, interest, or any contractor financing markup.

How we update our data

Every calculator is reviewed at least quarterly against the latest AHRI certifications, EIA fuel price updates, BLS wage updates, and manufacturer price sheets. If a major input — say, a refrigerant regulation, a federal incentive change, or an equipment price shock — moves between scheduled reviews, we re-run that category out of cycle.

How to report a pricing error

If a number on this site looks wrong, please tell us. Email details, including the calculator, inputs you used, and the figure you expected, via our contact form. We fix verified errors within 7 days.