IQHabUnited States HVAC HVAC System Replacement Cost (2026)

HVAC System Replacement Cost

Replacing a full HVAC system (air conditioner plus furnace or heat pump) is one of the biggest home projects. Here's the range.

Low$6,000
Typical$9,500
High$15,000

Per complete system (AC + furnace) · USD

LowTypicalHigh

What's included

Labor

$3,000$5,500

Materials / equipment

$3,800$9,500

What changes the price

  • Heating type — furnace vs. heat pump
  • System capacity and zoning
  • Ductwork and equipment pad
  • Efficiency tier (SEER2 / HSPF2)

Regional notes

  • Colder climates typically use furnaces; milder ones favor heat pumps.
  • Heat pump installations often vary more by region because of efficiency incentives.

Questions

Should I replace the whole system or just the outdoor unit?

Replacing just one part can strain the other. If the system is old, a full replacement usually gives better efficiency and reliability.

Cost by state

Costs vary by regional labor market. See local estimates for your state:

Browse all U.S. states

How to get an accurate quote

  1. Get several quotes and compare, not just price.
  2. Be specific about size, materials and any existing issues.
  3. Ask whether the quote includes labor, materials, permits and cleanup.
  4. Confirm the contractor is licensed and insured before you hire.

Source: IQHab data engine — national averages, 2026 · Updated 2026-08 · Confidence 2/3