HVAC Cost Estimator
Estimate heating and cooling system installation costs with confidence
Used by 2,500+ contractors|Free · No signup required|Based on 2025 market rates
Project Details
Total conditioned area of the building
Select the primary HVAC system to be installed
Better insulation reduces equipment sizing and costs
Each additional zone adds separate temperature control
Check if existing ducts must be replaced or installed new
Pro Tip
Always perform a Manual J load calculation for the most accurate equipment sizing. Oversized systems cost more and cycle too frequently, leading to poor humidity control and higher energy bills.
Cost Breakdown
Enter your project details and click Calculate to see your HVAC cost estimate