Free Tool
BTU Calculator
Calculate the exact cooling capacity you need for your room.
Estimates assume standard insulation and windows. Actual requirements may vary. Singapore's tropical climate is factored in (+25%). Consult a certified technician for precise sizing.
How We Calculate BTU for Singapore
Singapore's tropical climate means your aircon works harder year-round. We apply a +25% climate adjustment on top of the base calculation (500 BTU/m²) to ensure your unit can keep up during peak heat and humidity — not just at ideal conditions.
- +10% for high ceilings (above 2.5 m)
- +10% for west-facing or full sun rooms
- −10% for north-facing or shaded rooms
- +4,000 BTU flat addition for kitchens
- +600 BTU per additional person beyond one
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