How many BTU's do you need per square foot?
If you are looking to install a new washdown unit heater, and need to figure out how many BTU's your heater needs to be, follow this easy to use chart.
| Area Square Feet | Heater Capacity (BTU/hr) |
| 100-150 sq. ft. | 5,000 |
| 150-250 sq. ft. | 6,000 |
| 250-300 sq. ft. | 7,000 |
| 300-350 sq. ft. | 8,000 |
| 350-400 sq. ft. | 9,000 |
| 400-450 sq. ft. | 10,000 |
| 450-550 sq. ft. | 12,000 |
| 550-700 sq. ft. | 14,000 |
| 700-1,000 sq. ft. | 18,000 |
| 1,000-1,200 sq. ft. | 21,000 |
| 1,200-1,400 sq. ft. | 23,000 |
| 1,400-1,500 sq. ft. | 24,000 |
| 1,500-2,000 sq. ft. | 30,000 |
| 2,000-2,500 sq. ft. | 34,000 |