Aircon BTU / capacity calculator
Work out roughly what cooling capacity (BTU) you need for a room before buying or installing a unit. This helps you avoid an undersized unit that runs constantly or an oversized one that wastes money.
This is a usable BTU range to ask installers about; they will confirm exact sizing with a site visit.
Compare actual quotes for this projectThis is an estimate only; an on-site assessment will confirm the exact unit size needed.
Enquiries submitted through our contact forms may be passed to partner providers who can complete the work. We may receive a referral fee for these introductions, but our rankings and scores are determined solely by our published scoring method and are not influenced by referral payments.
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