Here is the best way to measure the wattage and BTU's needed for your portable space heater.
Square Footage | Maximum Wattage | BTU/H |
400 sq. ft. | 4,000 watts | 13,650 BTU |
560 sq. ft. | 5,600 watts | 19,110 BTU |
1,000 sq. ft. | 10,000 watts | 34,120 BTU |
1,500 sq. ft. | 15,000 watts | 51,180 BTU |
750 sq. ft. | 7,500 watts | 52,598 BTU |
950 sq. ft. | 9.500 watts | 32,424 BTU |
3,000 sq. ft. | 30,000 watts | 102,236 BTU |
4,800 sq. ft. | 48,000 watts | 163,776 BTU |
6,000 sq. ft. | 60,000 watts | 204,720 BTU |