| 1000 BTU ~ 1 CFH | |||||||||
| Scenario 1, Full gas load, full electrical load | Quantity | BTU Rating of Each Appliance | Total BTU | Min Pressure, inches Water Column | Max Pressure, inches Water Column | Notes | |||
| Water Heater | 1 | 40,000 | 40,000 | 10.5 | |||||
| Furnace | 1 | 80,000 | 80,000 | 10.5 | |||||
| Oven, burner | 1 | 4,500 | 4,500 | 10.5 | |||||
| Oven, burner | 1 | 9,200 | 9,200 | 10.5 | |||||
| Oven, burner | 1 | 9,200 | 9,200 | 10.5 | |||||
| Oven, burner | 1 | 10,000 | 10,000 | 10.5 | |||||
| Oven, oven | 1 | 16,000 | 16,000 | 10.5 | |||||
| Oven, broiler | 1 | 12,000 | 12,000 | 10.5 | |||||
| Clothes Dryer | 1 | 22,000 | 22,000 | 3.5 | 10.5 | ||||
| Gas Fireplace | 1 | 25,000 | 25,000 | 3.5 | 10.5 | ||||
| Standby Generator | 1 | 240,000 | 240,000 | 11 | 14 | Generator, Full load | |||
| Total | 467,900 | ||||||||
| Scenario 2, Full gas load, 1/2 electrical load | Quantity | BTU Rating of Each Appliance | Total BTU | Min Pressure, inches Water Column | Max Pressure, inches Water Column | Notes | |||
| Water Heater | 1 | 40,000 | 40,000 | 10.5 | |||||
| Furnace | 1 | 80,000 | 80,000 | 10.5 | |||||
| Oven, burner | 1 | 4,500 | 4,500 | 10.5 | |||||
| Oven, burner | 1 | 9,200 | 9,200 | 10.5 | |||||
| Oven, burner | 1 | 9,200 | 9,200 | 10.5 | |||||
| Oven, burner | 1 | 10,000 | 10,000 | 10.5 | |||||
| Oven, oven | 1 | 16,000 | 16,000 | 10.5 | |||||
| Oven, broiler | 1 | 12,000 | 12,000 | 10.5 | |||||
| Clothes Dryer | 1 | 22,000 | 22,000 | 3.5 | 10.5 | ||||
| Gas Fireplace | 1 | 25,000 | 25,000 | 3.5 | 10.5 | ||||
| Standby Generator | 1 | 149,000 | 149,000 | 11 | 14 | Generator, 1/2 load | |||
| Total | 376,900 | ||||||||
| Scenario 3, Typical gas load, Typical electrical load | Quantity | BTU Rating of Each Appliance | Total BTU | Min Pressure, inches Water Column | Max Pressure, inches Water Column | Notes | |||
| Water Heater | 1 | 40,000 | 40,000 | 10.5 | |||||
| Furnace | 1 | 80,000 | 80,000 | 10.5 | |||||
| Oven, burner | 1 | 5,000 | 5,000 | 10.5 | |||||
| Oven, burner | 1 | 9,200 | 9,200 | 10.5 | |||||
| Oven, oven | 1 | 16,000 | 16,000 | 10.5 | |||||
| Clothes Dryer | 1 | 22,000 | 22,000 | 3.5 | 10.5 | ||||
| Gas Fireplace | 1 | 25,000 | 25,000 | 3.5 | 10.5 | ||||
| Standby Generator | 1 | 120,000 | 120,000 | 11 | 14 | Generator, typical load | |||
| Total | 317,200 | ||||||||
| Scenario 4, Typical gas load, Typical electrical load | Quantity | BTU Rating of Each Appliance | Total BTU | Min Pressure, inches Water Column | Max Pressure, inches Water Column | Notes | |||
| Water Heater | 1 | 40,000 | 40,000 | 10.5 | |||||
| Furnace | 1 | 80,000 | 80,000 | ||||||
| Oven, burner | 1 | 5,000 | 5,000 | 10.5 | |||||
| Oven, burner | 1 | 9,200 | 9,200 | 10.5 | |||||
| Oven, burner | 1 | 10,000 | 10,000 | 10.5 | |||||
| Clothes Dryer | 1 | 22,000 | 22,000 | 3.5 | 10.5 | ||||
| Standby Generator | 1 | 120,000 | 120,000 | 11 | 14 | Generator, typical load | |||
| Total | 286,200 | ||||||||