HVAC replacement cost in 2026

A typical US HVAC replacement runs $6,600 to $13,200 in 2026, with most homeowners paying around $9,000. Costs vary by variant, size, and region. Use the calculator below or pick your state for local numbers.

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US national average

Adjust the variant and size. Numbers update live.

Variant

Size3 tons

Most US homes need 2 to 5 tons. A Manual J load calc beats square-footage rules of thumb.

Estimated total

$6,600 - $13,200

Typical: $9,000

Variant: Central AC plus gas furnace
Size: 3 tons
Region factor: 1.00x

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HVAC replacement cost by variant

National-average ranges for a 3 ton job. State and metro pages adjust these for local labor and permit costs.

HVAC replacement cost by variant (US average)
Variant	Low	Typical	High
Central AC only Coil and condenser. Keeps the existing furnace.	$5,600	$7,650	$11,200
Central AC plus gas furnace Full split system. The default replacement.	$6,600	$9,000	$13,200
Air-source heat pump Replaces both AC and furnace. Federal tax credit may apply.	$7,600	$10,350	$15,200
Cold-climate heat pump Rated for sub-zero heating. Premium models.	$9,550	$13,050	$19,150
Geothermal heat pump Loop field plus indoor equipment. Lowest operating cost.	$29,700	$40,500	$59,400

What's included

✓Equipment, refrigerant charge, and standard line-set
✓Removal and haul-away of old equipment
✓Permit and mechanical inspection
✓1 year labor warranty, 10 year parts on most brands

What's NOT included

—Ductwork replacement or sealing (typical add 2500 to 8000 dollars)
—Electrical panel upgrade if amperage is insufficient
—Gas line modifications
—Smart thermostat above builder grade

What changes the price

System size and SEER2 rating

Upgrading from a 14 SEER2 baseline to a 17 SEER2 variable-speed system typically adds 1500 to 3000 dollars but cuts cooling bills 20 to 30 percent.

Ductwork condition

Crews charge separately if existing ducts leak more than 15 percent or are undersized for the new equipment. Aeroseal-style sealing runs 1500 to 3000 dollars.

Climate zone

Cold-climate heat pumps cost more but qualify for federal IRA rebates and state utility programs that knock 2000 to 8000 dollars off the sticker price.

HVAC replacement cost by state

All 50 states plus DC, sorted alphabetically.

HVAC replacement cost in top US metros

Frequently asked questions

How long does an HVAC replacement take?+

A standard split-system swap takes one full day. Heat pump conversions, ductwork add-ons, or panel upgrades extend the job to two or three days.

What size HVAC do I need?+

Plan for 20 to 25 BTU per square foot of conditioned space in most US climates. A 2000 sq ft home typically needs a 3 to 4 ton system. Get a Manual J load calculation before sizing.

Are there tax credits for HVAC replacement?+

The federal 25C credit covers up to 2000 dollars for qualifying heat pumps and 600 dollars for high-efficiency AC and furnaces through 2032. Many states stack additional rebates.

Is it cheaper to repair or replace HVAC?+

Replace if the unit is over 12 years old, the repair quote exceeds half the replacement cost, or the refrigerant is R-22 (no longer manufactured).

Can I finance an HVAC replacement?+

Most contractors offer 0 percent for 12 to 18 months through Synchrony or GreenSky. Manufacturer rebates often require financing through approved lenders.