Product Type Minimum Maximum electricity
AFUE Ratio
Natural gas- and propane- 90 percent 2.0 percent
fired furnaces
RSA 339-G:3
2008, 310:1, eff. Jan. 1, 2009. 2021, 91:230, eff. July 1, 2021.
Product Type Minimum Maximum electricity
AFUE Ratio
Natural gas- and propane- 90 percent 2.0 percent
fired furnaces
RSA 339-G:3
2008, 310:1, eff. Jan. 1, 2009. 2021, 91:230, eff. July 1, 2021.