Estimate the BTU/hr needed to heat or cool a room based on size, insulation, climate, and occupancy.
| Room Size | BTU/hr (cooling) | Tons |
|---|---|---|
| 150 ft² | 5,000 | 0.4 |
| 250 ft² | 6,000 | 0.5 |
| 300 ft² | 7,000 | 0.6 |
| 350 ft² | 8,000 | 0.7 |
| 400 ft² | 9,000 | 0.8 |
| 450 ft² | 10,000 | 0.8 |
| 550 ft² | 12,000 | 1.0 |
| 700 ft² | 14,000 | 1.2 |
| 1000 ft² | 18,000 | 1.5 |
| 1200 ft² | 21,000 | 1.8 |
| 1400 ft² | 23,000 | 1.9 |
| 1600 ft² | 24,000 | 2.0 |
| 1 Ton (AC) | 12,000 BTU/hr |
| 1 kW | 3,412 BTU/hr |
| 1 BTU/hr | 0.000293 kW |