Free HVAC Upgrade ROI Calculator

HVAC Payback Calculator

Estimate how long an HVAC replacement or efficiency upgrade could take to pay back through lower energy, repair and maintenance costs. Compare upfront investment, annual savings, long-term net benefit and ROI.

Calculate HVAC Payback

HVAC Replacement Payback

Compare upfront cost with long-term savings.

Start with the HVAC replacement cost calculator if you do not yet have an estimated project cost. For expected cooling-efficiency savings, use the SEER2 savings calculator before entering a savings percentage here.

Calculate HVAC Upgrade Payback & ROI

Enter your project cost and realistic savings assumptions.

Installed HVAC Upgrade Cost ($) Use the estimated installed project price.

Rebates / Incentives ($) Enter only incentives you reasonably expect to receive.

Current Annual HVAC Energy Cost ($) Heating and cooling energy cost only, if possible.

Expected Energy Cost Reduction Use a realistic estimate based on the old and new systems.

Expected Annual Repair / Maintenance Savings ($) Optional. Enter $0 if you do not want to count avoided repairs.

Evaluation Period

Estimated Annual Financial Benefit - -

This is a simple-payback estimate based on the assumptions entered. It does not predict future utility rates, financing costs, equipment failures, maintenance needs, home value or actual HVAC performance.

- Simple Payback

Net Investment -

Energy Savings / Year -

Net Benefit -

ROI Over Period -

Comparing an HVAC replacement or upgrade?

Request HVAC help below after reviewing your estimated project cost and simple payback.

Payback note: simple payback divides net upfront investment by estimated annual savings. It does not include financing, discount rates, future energy-price changes, resale value or equipment depreciation. Avoided repair savings should only be entered when you have a reasonable basis for them.