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GetRenoGuide

HVAC Installation Cost Calculator

This free HVAC installation cost estimator prices equipment, ductwork and install line by line from your system, home size and efficiency. Adjusted for your state.

  • Prices reviewed September 2026
  • Adjusted for all 50 states
  • No sign-up to see your number

Step 1 of 4

Your home

Size and system type.

Labor costs differ a lot by state. This adjusts every line.

sq ft

Conditioned floor area. Size drives the tonnage and furnace capacity.

600 sq ft5000 sq ft

System type

Estimated HVAC system cost

$10,400

$7,400 – $13,400

How we calculate your HVAC installation cost

We price the project line by line: demolition, cabinetry or fixtures, finishes, labor, permits, and a contingency buffer. Every line has its own low and high unit price, so the range you see comes from real spread in the market, not a flat percentage. Labor is then adjusted by state, and materials move far less by location than labor does.

Unit prices are national benchmark ranges last reviewed September 2026. Treat the result as a planning number for setting a budget and judging contractor bids. It is not a quote. Read our full methodology.

What a HVAC installation estimate includes

  • Equipment and installation labor
  • Ductwork repair or replacement (optional)
  • Zoning, thermostat and air quality (optional)
  • Old system removal
  • Permit and inspection (optional)

What the HVAC installation estimate leaves out

  • Electrical panel upgrades
  • Gas line work beyond a standard hookup
  • Asbestos or refrigerant remediation
  • Utility rebates or tax credits

HVAC installation cost FAQs

How much does HVAC installation cost?

A central AC for a 2,000 sq ft home often costs $7,000 to $14,000 installed. A full furnace-plus-AC system, a heat pump or new ductwork raises the total.

Is a heat pump more expensive than central AC?

Usually yes upfront, but a heat pump heats and cools with one system and can be cheaper to run. Rebates and tax credits often narrow the gap.

What efficiency level should I choose?

Higher efficiency costs more upfront and saves on bills. It pays back fastest in very hot or cold climates or where electricity is expensive. Check local rebates.

Does the estimate include ductwork?

Only if you choose repair or new ducts in the Efficiency & ducts step. Leaky or undersized ducts are a common reason quotes come in high.

How is system size calculated?

We estimate tonnage from your home size (about one ton per 550 sq ft). A contractor should do a proper load calculation, since oversizing wastes money.