Boiler Size (BTU) Calculator
Don't guess your heating needs. Use our free tool to accurately determine the right boiler size for your home's square footage and climate.
Home Details
Provide details about your home to find the right boiler size.
How to Use
- Enter Area: Input your home's total square footage.
- Select Climate: Choose the climate zone that best describes your location.
- Select Home Age: This helps estimate insulation quality.
- Calculate: Click "Calculate" to see the recommended boiler size in BTUs.