TABLE 1
APPROXIMATE GAS INPUT FOR TYPICAL APPLIANCES
| APPLIANCE | INPUT Btu/h. (Approx.) |
Cubic Feet of Gas Per Hour |
|---|---|---|
| Space Heating Units Warm air furnaces: Single family | 100,000 |
91 |
| Multifamily, per unit | 60,000 | 55 |
| Hydronic boilers: Single family | 100,000 |
91 |
| Multifamily, per unit | 60,000 | 55 |
| Space-and Water-Heating Units Hydronic boilers: Single family | 120,000 |
109 |
| Multifamily, per unit | 75,000 | 68 |
| Water-Heating Appliances Water heaters, automatic: storage 30 to 40 gal. tank | 35,000 |
32 |
| Water heater, automatic storage 50 gal. tank | 50,000 |
45 |
| Water heater, automatic instantaneous: | ||
| Capacity at 2 gal./minute | 142,800 | 130 |
| Capacity at 4 gal./minute | 285,000 | 259 |
| Capacity at 6 gal./minute | 428,400 | 389 |
| Water heater, domestic, circulation or side-arm | 35,000 |
32 |
| Cooking Appliances Range, freestanding, domestic | 65,000 |
59 |
| Built-in oven/ broiler, domestic | 25,000 | 23 |
| Built-in counter-top range, domestic | 40,000 | 36 |
| Other Appliances Clothes dryer, domestic | 35,000 |
32 |
| Gas fireplace - direct vent | 40,000 | 36 |
| Gas log unit | 80,000 | 73 |
| Barbecue | 40,000 | 36 |
| Gaslight | 2,500 | 2 |
For SI units: 1 Btu per hour = .0293 W