Professional AC Sizing Tool

Calculate the perfect air conditioner size for your space. Accurate BTU estimates in seconds.

Room Details
Enter your room specifications
— m²
Estimated Cooling Requirement

How it works

  • Enter room length and width — floor area is calculated automatically
  • Base load calculated from floor area using industry-standard BTU/m² values
  • Ceiling height adjusts for total air volume
  • Insulation, sun exposure, and room type apply heat gain modifiers
  • Each occupant beyond two adds ~600 BTU
  • Final result rounded to nearest standard residential unit
Get 3 Quotes
Connect with verified local installers

Enter your details and we'll match you with up to 3 qualified HVAC contractors in your area.

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Response in 24h