Water heating accounts for about 17% of primary energy consumed in residential buildings and 7% of commercial.1 Overall, natural gas-fired units account for nearly half of all water heater energy consumption. Current mass-marketed storage-type gas-f ired water heaters have efficiencies that lie well below thermodynamic limits.
Citation: ASHRAE Journal, vol. 46, no. 2, February 2004
Product Details
- Published:
- 2004
- Number of Pages:
- 2
- File Size:
- 1 file , 170 KB
- Product Code(s):
- D-21208
