Tools
BTU Calculator
Find the right size HVAC system for your space.
Room Size
Square footage
Climate
Your region
BTU Result
Recommended size
Background
About BTU Sizing
BTU (British Thermal Unit) measures cooling capacity. Properly sizing your HVAC system ensures optimal comfort and energy efficiency. An undersized unit won't cool effectively, while an oversized unit will cycle frequently and waste energy.
This calculator provides an estimate. For precise sizing, especially for multi-zone systems or unique spaces, consult with an HVAC professional or contact our team.