| OMNI | ENERGY LOGIC | CLEAN BURN | LANAIR | REZNOR | |
| 150,000BTU | 3762 CFM | 1000 @ 140k BTU | 1625 | 2600 | 2,050 |
| 250,000BTU | 4466 CFM | 1500 @ 200k BTU | 2700 | 2600 @ 200k BTU | 3,300 |
350,000BTU |
7524 CFM | 2800 @ 340k BTU | 4200 | 4600 @ 300k BTU | 5,000 |
| 500,000BTU | 9001 CFM | n/a | 5500 | n/a | 6,200 |