HVAC Cost Calculator
Estimate HVAC installation and replacement costs
Total conditioned square footage
Select HVAC system type
Higher = lower energy bills
System Size
—
tons/BTU
Equipment Cost
—
USD
Installation Cost
—
USD
Total Estimated Cost
—
USD
Disclaimer: Results are estimates based on standard formulas. Not a substitute for professional advice from a licensed contractor, engineer, or architect. Verify all calculations before making purchasing or construction decisions.
How to Use This Calculator
Our calculator estimates equipment and installation costs based on home size, system type, and efficiency.
- Determine home conditioned square footage
- Select system type
- Choose efficiency level
- Enter specifications
- Get multiple quotes from contractors
AI Insights
Smart analysis for your project
Smart Estimates
Our AI cross-references material costs, regional pricing, and project complexity for more accurate estimates.
Waste Optimization
AI-calculated waste factors based on project type, not flat percentages. Saves 5-15% on material costs.
Best Practices
Recommendations derived from building codes, contractor data, and thousands of completed projects.
Calculation Formula
System size = Home size / 400-600 sq ft per ton
Equipment = Size x Price per ton
Installation = 50-100% of equipment cost
Frequently Asked Questions
How much does a new HVAC system cost?
Central AC + furnace: $5,000-$12,000 installed. Heat pump: $4,000-$10,000. Mini-split: $2,000-$8,000.
How long do HVAC systems last?
Central AC: 15-20 years. Furnace: 15-25 years. Heat pump: 10-15 years. Regular maintenance extends life 5+ years.