Whole HVAC systems

Updated October 20267 cost guides

What it costs to replace or install a complete heating and cooling system, by home size, equipment and brand, plus how to decide between repair and replacement.

Start with HVAC replacement cost, or estimate your own project with the HVAC cost calculator.

All guides in this section

Ranges show what most homeowners pay, including installation or labor unless the guide says otherwise.

HVAC replacement cost$5,000–$11,000
HVAC installation cost$7,000–$16,000
HVAC unit prices$4,000–$8,000
Furnace and AC replacement$5,000–$11,000
HVAC cost per square foot$3.00–$6.00
HVAC tax credits and rebates$100–$2,000
Repair or replace HVAC?$150–$650