AC Tonnage Calculator
Find the right AC size for your room before you buy. Enter length, width, ceiling height, sun-facing walls and how many people use the room, and get a recommended tonnage in tons and BTU plus the expected running watts.
Required Cooling
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Recommended AC
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Approx Running Watts
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How to use
- Enter the room length, width and ceiling height in feet.
- Select top floor, sun-facing walls and the usual number of people.
- The recommended tonnage and approximate inverter / non-inverter watts appear instantly.
Model: Base = Area (sq ft) x 70 BTU (65-80 range for Pakistan's heat). If height is over 10 ft, add +5% for each extra foot. Top floor x1.15. Each sun-facing wall +7%. Each person over 2 adds +500 BTU. 1 Ton = 12,000 BTU. For AC fitting, service or a new AC — Azlaan Electric AC Solar Center, Faisalabad — 0300-8987448.