Reference 1
- Room size
- 100-130 sq ft
- Normal use
- 0.8-1.0 Ton
- High sunlight
- 1.0-1.2 Ton
- Typical AC
- 1.0 Ton
নুংঙাই
AC Tonnage Calculator
Estimate ideal AC capacity from room area, ceiling height, sunlight exposure, and occupant count with practical room AC and multi-unit guidance.
ফর্মুলা খাঙহনবা
Required tons = area / 150 + height adjustment + sunlight adjustment + occupant adjustmentA practical AC sizing estimate starts from room area and adjusts upward for higher ceilings, direct sunlight, and extra occupants.
Step-by-Step Example
- 1Estimate base tonnage as room area divided by about 150 sq ft per ton.
- 2Add capacity for ceiling height above 10 ft because the room has more air volume.
- 3Add or reduce capacity based on sunlight exposure and heat gain.
- 4Add a small occupant load for each person above two and map the result to practical 1.0, 1.5, 2.0, 3.0, 4.0, or 5.0 ton guidance.
Reference
Benchmark Table
Compare common scenarios quickly. Scroll horizontally on smaller screens.
Reference 2
- Room size
- 140-180 sq ft
- Normal use
- 1.1-1.4 Ton
- High sunlight
- 1.4-1.6 Ton
- Typical AC
- 1.5 Ton
Reference 3
- Room size
- 200-260 sq ft
- Normal use
- 1.5-1.8 Ton
- High sunlight
- 1.8-2.1 Ton
- Typical AC
- 2.0 Ton
Reference 4
- Room size
- 300+ sq ft
- Normal use
- 2.2+ Ton
- High sunlight
- Professional sizing
- Typical AC
- Multi-unit
অহাংবা প্রশ্ন
A quick estimate is about 1 ton per 150 sq ft, adjusted for ceiling height, sunlight, insulation, and occupancy.
Yes. Direct sunlight increases cooling load, so west-facing or poorly shaded rooms often need more capacity.
Yes. Oversized ACs can short-cycle, cool unevenly, and remove less humidity, so sizing should be practical rather than simply larger.
No. It is a practical estimate. Large rooms, top floors, glass walls, and commercial spaces benefit from professional load calculation.
Recommended AC capacity
1.0 Ton