Estimate Your Home’s Heating Needs

This tool calculates the heating system capacity required for an existing home based on actual heating fuel use.

1. Pick the Town Closest to You

2. Input values for all heating sources used in your home.

3. Boiler used for hot water?

This tool is for heat load estimates only and may not be accurate for all homes and uses. If you have any concerns, hiring a professional to perform a more customized estimate may be appropriate.