How Much Does Heat Pump Installation Cost?

The cost of installing an air source heat pump depends on the size of your home, the type of heat pump you choose, and the complexity of the installation.

A whole-home ducted cold-climate system is $21,000–$28,000 before rebates. Square footage alone cannot tell you the right equipment size or your final price.

Beyond the heat pump and installation, budget for any necessary home modifications: insulation improvements, refrigerant line runs, or an electrical panel upgrade if your current panel is at capacity. These additional costs vary by home.

The upfront cost of an air source heat pump is higher than most other heating systems before rebates. Rebates close most of that gap. In a gas home, don't count on lower winter bills to make up the rest: at Xcel's October 2026 rates, gas heat costs the same or less than heat pump heat.

If your heat pump is failing, start with the same $21,000–$28,000 whole-home budget before rebates. If your furnace still has life in it, adding a heat pump and coil to it runs $17,500–$24,000. A repair or outdoor-unit-only replacement is a different scope and needs its own quote. Existing wiring and ductwork may be reusable after inspection.

Replacing an existing heat pump differs from a first-time install in a few ways that affect the math:

Most replacements happen because the existing heat pump is 12-15 years old and refrigerant or compressor failures make repair uneconomical. The exception: pre-2010 R-22 systems, where any refrigerant leak effectively forces a replacement decision - R-22 is no longer in production and refills run $1,300-$2,700 on their own.

Replacement is also when most Denver homeowners switch from a standard heat pump to a cold-climate unit. The Xcel rebate gap ($1,500/ton vs. $600/ton) closes most of the price difference, and the cold-climate system handles the days the old one couldn't.

Properly sizing an air source heat pump is important to ensure effective heating and cooling. An undersized unit will struggle to keep up with demand. An oversized unit will short cycle, reducing efficiency and increasing wear.

Key factors that determine the right size:

One ton of cooling capacity equals the ability to move 12,000 BTUs per hour. A 3-ton heat pump pushes 36,000 cooling BTUs. Most air-source condensers come in 1-ton (12,000 BTU) increments, from 2 tons up to 5 tons for residential.

Most heat pump-compatible residential furnaces handle 40,000-120,000 heating BTUs. Air source heat pumps also require high-efficiency indoor coils installed on top of the furnace, connecting the outdoor condenser to your air handler.

We recommend a full sizing assessment by an HVAC professional. The simplified ranges below are a starting point only.

For an eligible 3-heating-ton installation, the example is $4,500 from Xcel, $1,000 in Colorado credit passed through by UniColorado, and $1,500 from Power Ahead Colorado: $7,000 total, and $10,000 on a 5-ton system. That brings most whole-home systems to $14,800–$18,200, and a heat pump added to an existing furnace to about $10,500–$14,000. Power Ahead requires an eligible address and preapproval.

Xcel Energy's Energy Efficiency Program offers eligible Xcel gas customers $1,500 per heating ton at 5°F for cold climate heat pumps and $600 per cooling ton for standard models. The Colorado state tax credit is a contractor credit; UniColorado passes the full $1,000 through on qualifying 2026 installations. Xcel electric-only customers have a lower rebate rate. Neither program has an income test.

Xcel lowered these amounts on October 1, 2026. Cold climate went from $2,250 to $1,500 per heating ton, and standard from $900 to $600 per cooling ton. We're working to keep most installs close to what customers paid this summer. Details in our October rebate cut guide.

Note on HEAR: HEAR is closed statewide and is not included in new-project pricing: Front Range funds ran out April 28, 2026, and the rest of the state closed August 1, 2026. Front Range customers: use Power Ahead Colorado ($1,500, no income limit) instead. See our HEAR page for the latest status.

To compare gas and heat pump operating costs at current Xcel rates, use our switchover calculator. Use it to understand fuel switching; a heat pump does not guarantee a lower bill than gas heat.

For most Colorado homes, a cold climate heat pump is the right call. Here is how the two types compare:

Cold-climate units are top-of-line, feature-packed systems produced in smaller volumes than standard heat pumps. They require a variable-speed, communicating furnace or a variable-speed electric air handler. Those compatible furnaces are premium product lines, which adds to the project cost.

Several factors drive the final installed price of an air source heat pump:

We no longer take attic or crawl space installations. If your air handler sits in an attic or your equipment lives in a crawl space, the ranges on this page will not match the quotes you get, because contractors who still do this work price the access in. Crawl space installs typically add $400 to $800, and attic installs run about $500 to $1,200 more. Everything moves slower in those spaces: pulling the old unit out, setting the new one, running lineset and condensate, and getting it all to pass inspection.

Attics carry a safety problem on top of the labor. On a 95 degree Denver day an attic can hold temperatures well above 130 degrees, which is dangerous for a crew doing physical work up there. Many companies will not schedule attic jobs in the summer at all, and that heat risk is a big part of why we stopped doing attic work entirely. If your system is in an attic, expect a smaller pool of bidders, a higher price, and possibly a wait until fall.

Adding an air source heat pump condenser to a home that has never had central AC requires two free spaces in the electrical panel. If the furnace is also being replaced with an electric air handler, add two more spaces.

The outdoor condenser typically needs one 208-220v circuit at 15-40 amps. An electric air handler or furnace requires an additional 20-50a 220v circuit. If your panel has no open slots, a panel replacement or subpanel may be required. In some cases, circuits can be condensed per electrical code without a full upgrade.

A subpanel is cheaper than a full panel replacement and is common for heat pump projects. Cost ranges: full panel upgrade $3,650-$5,900, subpanel installation $2,000-$3,350+.

Heat pump efficiency is measured by three ratings: COP, SEER, and HSPF. Each measures a different operating condition.

A heat pump with a COP of 3 produces 3 units of heat per unit of electricity consumed. SEER2 and HSPF2 are the updated 2023 standards (replacing SEER and HSPF); they test at more realistic conditions and produce slightly lower numbers than the older ratings.

Cold climate heat pumps typically carry SEER2 ratings of 20+ and HSPF2 ratings of 10+, which is why they qualify for higher Xcel rebates and can use less electricity than standard heat pumps in cold weather. That does not guarantee lower bills than a gas furnace.