HVACCost guide · 2026

HVAC replacement cost in 2026

A full HVAC replacement (AC + furnace or heat pump) typically runs $5,500–$14,000 installed for a single-family home.

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National average

$5,500–$14,000

Typical system replacement in 2026, before applicable rebates and tax credits.

  • AC only

    Replace condenser + air handler.

    $3,500–$7,500
  • AC + gas furnace

    Most common full system.

    $5,500–$11,000
  • Heat pump (ducted)

    All-electric, IRA-eligible.

    $8,000–$16,000
  • Mini-split (ductless)

    Per zone, 2–5 zones typical.

    $4,000–$12,000
What drives the cost

Cost factors

System type

Heat pumps and dual-fuel cost more than straight AC + gas furnace.

Tonnage

Sized to square footage and climate; oversized systems waste money and short-cycle.

Efficiency (SEER2)

Higher SEER2/HSPF2 ratings cost more upfront but cut bills.

Ductwork

Sealing, repair, or new ducts add $1,500–$5,000.

Rebates & tax credits

IRA HEEHRA + 25C credits can reduce cost by 30%+.

Regional

By state

Labor, permitting, and material costs vary by state. These ranges scale the national average to your region.

StateTypical range
California$7,400–$18,900HVAC in California
Florida$5,700–$14,600HVAC in Florida
Illinois$5,800–$14,800HVAC in Illinois
New York$7,000–$17,900HVAC in New York
Texas$5,500–$14,000HVAC in Texas
Washington$6,300–$16,100HVAC in Washington
FAQ

HVAC replacement cost in 2026

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