Calculate the BTU or AC tonnage needed to cool or heat any room size. Find the right AC capacity.
| Room Area (sq ft) | — |
| BTU Required | — |
| Recommended AC Tonnage | — |
| Recommended AC (India) | — |
100–150 sq ft: 0.75–1 ton | 150–250 sq ft: 1–1.5 ton | 250–350 sq ft: 1.5–2 ton | 350–500 sq ft: 2 ton. In hot climates like Delhi or Chennai, go for the higher end.
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