| Size | Light Commercial | Commercial | Light Industrial | Industrial | Heavy Industrial | Power/Utility | Petrochemical |
|---|---|---|---|---|---|---|---|
| MBTU* | 0.04 - 3 | 3 - 8 | 8 - 15 | 15 - 50 | 50 - 125 | 125 - 500 | 500 - 1,225 |
| BHP* | 10 -75 | 75 - 200 | 200 - 375 | 375 - 1,200 | 1,200 - 3,000 | 3,000 - 12,500 | 12,500 - 30,000 |
| LB Steam* | 350 - 2,600 | 2,600 - 7,000 | 7,000 - 13,000 | 13,000 - 40,000 | 40,000 - 100,000 | 100,000 - 425,000 | 425,000 - 1,000,000 |
| kW* | 12 - 200 | 200 - 2,100 | 2,100 - 3,900 | 3,900 - 12,000 | 12,000 - 29,900 | 29,900 - 126,900 | 126,900 - 298,500 |
| *MBTU = Input | BHP = 33,475 BTU/hr | LB Steam = 34.5 lb/hr | kW = Kilowatts |Petrochemical = Oil Sands | |||||||