Find the right AC size in tons and BTU for your room, adjusted for sun, people, a kitchen and a very hot climate.
loading toolHow to use the ac size calculator
- Type your numbers in the boxes (pick your currency or units if asked).
- The answer updates as you type: no button to press.
- Copy the result, or share it on WhatsApp with one tap.
Questions
Is a bigger AC better?
No: an oversized AC switches on and off often, cools unevenly and leaves the room damp. Pick the right size.
Is my data private?
Yes. Everything happens inside your own browser: nothing you type or choose is uploaded to us or anyone else.
Is it free?
Completely free, with no sign-up, no watermark and no limit on how many times you use it. Light ads keep the site running.
