🔥 BTU Calculator
Calculate BTU needed for heating and cooling a room based on size, insulation, and climate.
How to Calculate BTU for a Room
A British Thermal Unit (BTU) measures heating and cooling capacity. For cooling, start with 20 BTU per square foot and adjust for ceiling height, insulation quality, climate zone, and sun exposure. For heating, the requirement is typically 30-50% higher. One ton of air conditioning equals 12,000 BTU per hour.
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