Heat Pump Installation Cost Calculator

Getting an installed price takes five quick entries. The tool prices the system first, then adds the extra work, then takes off your rebates.

1. Enter the system size in tons. A 3 ton system suits a home of about 1,500 to 2,000 sq ft, and about 1 ton covers 500 to 600 sq ft in a moderate climate.
2. Enter the installed price per ton. Typical ducted installs run $3,500 to $5,000 per ton, so $4,500 is a fair middle value if you have no quotes yet.
3. Enter the cost of new ductwork and any electrical upgrade. Enter 0 for both if your ducts and panel are ready.
4. Enter your state and utility rebates, then press Calculate, or press Enter. The total appears first and large, with the system cost, the extra work and the net cost below. Press Reset to clear the form and start over.

The heat pump installation cost formula is total = (tons x price per ton) + ductwork + electrical work, and net cost = total - rebates. Each part means one thing, and the price per ton already includes the equipment, the labor and the refrigerant lines.

System size is the cooling capacity in tons, where 1 ton equals 12,000 BTU per hour. Price per ton is the installed price for each ton of capacity, so a 3 ton system at $4,500 per ton costs 3 x $4,500 = $13,500. Ductwork and electrical work sit outside the per-ton price because they vary so much from house to house, and rebates come off at the end because they are paid back after the job. Our insulation calculator helps with the other half of the sizing question, since better insulation can mean a smaller system.

A home needs a 3 ton ducted heat pump at $4,500 per ton, with $3,500 of new ductwork, an $800 electrical upgrade and $2,000 in state rebates. Here is exactly what the calculator does.

1. System cost: 3 x $4,500 = $13,500.
2. Extra work: $3,500 ductwork + $800 electrical = $4,300.
3. Total installed cost: $13,500 + $4,300 = $17,800.
4. Net cost: $17,800 - $2,000 rebates = $15,800.

As a second check, the same 3 ton system with no ductwork, no electrical work and no rebates costs 3 x $4,500 = $13,500, which is the number most 2026 guides quote for a straightforward replacement. The same steps work for any size, so try your own numbers in the tool above.

Efficiency is the biggest lever. A standard 14 to 16 SEER system sits at the low end of the per-ton range, a high-efficiency 18 to 20 SEER system costs more per ton, and a cold-climate model with a variable-speed compressor costs the most, because it keeps heating down to minus 15 degrees. The extra money buys lower running costs, so it pays back over the life of the system in a cold climate and rarely does in a mild one.

The house itself matters as much as the equipment. Long refrigerant line runs, a tight attic or crawl space, and a panel that needs upgrading all add labor hours. A ductless mini-split skips the ductwork entirely, which is why single-zone mini-splits often land at $3,500 to $6,000 installed, while a whole-home ducted system runs $10,000 to $17,000 for 3 tons. Get three written quotes and compare the price per ton, not just the total, because that is where the differences show.

A ducted central heat pump uses one outdoor unit and your existing ducts to heat and cool the whole house from one thermostat. It suits homes that already have good ducts, and it is the only option that feels like a normal central system. The catch is the ducts themselves, since leaky or undersized ducts waste the efficiency you paid for, and new ductwork adds $2,800 to $6,500.

A ductless mini-split puts a small wall unit in each room or zone, with no ducts at all. It suits homes without ducts, additions and rooms that never stay comfortable, and you can heat only the rooms you use. The trade is more wall units to buy and a visible unit in each room, plus one outdoor unit per zone or a multi-zone outdoor unit. If your home has no ducts, a mini-split is usually cheaper than a ducted system plus new ductwork, so price both before you decide.

The federal 25C energy efficiency credit ended on December 31, 2025, so heat pumps installed in 2026 do not qualify for the $2,000 federal credit. State and utility rebates still exist, and some cover up to $8,500 for a whole-home system, so check your state energy office and your utility before you sign, and put the confirmed amount in the rebates field.

Rebates often have strings attached. Many require a Manual J load calculation, which is the standard method for sizing a system to your home's actual heat loss and gain, and some require the heat pump to be the home's primary heat source. A right-sized system runs longer at lower power and keeps the house even, while an oversized system short-cycles, so the sizing step is worth doing properly. If the switch to all-electric heating makes you think about power cuts, our home generator installation cost calculator prices the backup power side of the same decision.