Navien NPF700-100D5CH

Navien NPF700-100D5CH appears in the U.S. EPA ENERGY STAR "Certified Furnaces" dataset, which lists products whose manufacturers have certified them to the program's specification (record 4515098, certified 2026-03-31). EPA publishes these rated values for the listing: Fuel type Natural Gas,Propane Gas; Furnace is energy star certified in All; AFUE (%) 97; Can integrate hot water heating No. The listing records ENERGY STAR certification and the rated values the manufacturer reported to EPA. It is not a determination that any building, installation or design complies with a code.