Free calculator
HVAC Replacement Cost Calculator
Build a rough HVAC replacement budget from home size, system type, efficiency tier and local market level.
Your project details
Change the assumptions below to match your project.
Planning estimate only. Actual contractor pricing varies with scope, access, code requirements, permits, labor availability, product brand, warranty and site conditions.
HVAC budgeting, not load calculation
This tool uses home size as a rough starting point for system capacity and a cost range by system type. Correct equipment sizing requires a professional load calculation that considers climate, insulation, windows, air leakage, orientation and ductwork.
Before replacing a system
Ask for model numbers, efficiency ratings, labor, controls, ductwork scope, permits, disposal and warranty terms on the written proposal. Compare like-for-like scopes rather than total price alone.
Related HVAC planning guides
HVAC cost for a 1,500 sq ft house · HVAC cost for a 2,000 sq ft house · Heat pump vs central air · Repair vs replacement