HVAC Installation Cost: 2026 Price Guide and Calculator
A new central air conditioner typically costs $5,000 to $12,000 installed, and a full AC and furnace system $9,000 to $20,000. Default estimate for 3 tons of central AC: $7,500.00.
HVAC Installation Cost in 2026: typical prices
Prices include the equipment, labor, refrigerant lines and a basic installation. Ductwork repair or new ducts cost extra. Not sure of the size? Use the HVAC sizing calculator.
| Option | Typical cost per ton | For 3 ton |
|---|---|---|
| Central air conditioner | $2,500 | $7,500 |
| Heat pump | $3,500 | $10,500 |
| AC plus gas furnace (full system) | $4,200 | $12,600 |
What affects the price
- System size and efficiency (SEER2 rating).
- Equipment type and brand.
- Ductwork condition and any needed modifications.
- Home accessibility and installation complexity.
- Region, permits and rebates.
How to save money
- Have a load calculation done so you do not oversize.
- Ask about utility rebates and federal tax credits for efficient heat pumps.
- Get three quotes with equipment model numbers.
- Seal and insulate ducts. It can reduce the size you need.
Figures are typical US installed prices and change by region, season and contractor. They are estimates for planning, not quotes. Always get at least three written quotes.
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Frequently asked questions
How much does a new AC unit cost?
$5,000 to $12,000 installed for most homes.
How much does a heat pump cost?
$7,000 to $17,000 installed, depending on size and type.
How long does HVAC installation take?
One to three days for a replacement.
How long does an HVAC system last?
15 to 20 years with maintenance.
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