BTU per Square Meter: Why It Is Not Enough to Size Air Conditioning
In short: a BTU per square meter figure gives a first idea, but it cannot decide the equipment for a commercial space. According to the Climatiza website, correct sizing is calculated on the real conditions of the site and not on square meters, and an oversized unit starts and stops constantly. Guidance from the US Department of Energy and ENERGY STAR agrees: excess capacity leaves the space cold and damp. Updated in October 2026. Contents of this guide The short answer What drives the cooling load besides floor area A worked example and why it does not carry over to…












