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The Energy Policy and Conservation Act, as amended (“EPCA”), prescribes energy conservation standards for various consumer products and certain commercial and industrial equipment, including Commercial Water Heating (“CWH”) equipment. The U.S. Department of Energy (DOE) regulation takes effect on October 6, 2026, for commercial water heaters.
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This regulation mandates a shift to condensing technology for nearly all new gas-fired commercial water heating equipment manufactured or imported on or after the compliance date.
Minimum Thermal Efficiency (TE) increases from 80% to 95%.
Minimum TE increases from 80% to 96%.
Must meet a new Uniform Energy Factor (UEF) of 0.9297.
New, more stringent maximum standby loss requirements also apply to storage models.
All Noritz commercial products and water heating systems will comply to these new regulations.
To learn more about our entire line of commercial offerings, visit Noritz.com/Commercial
Read about this change by the Department of Energy at Regulations.gov
Download your 1099 form HERE
