Comfortbilt

EPA does not use Comfortbilt as the manufacturer name on these rows.

7 model lines have Comfortbilt in the EPA text, and 2 of them are currently certified.

EPA lists those lines under SMG Hearth and Home, LLC; Ningbo Hongsheng Fireplace Company (SMG Hearth and Home, LLC).

Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.

EPA lists these lines under SMG Hearth and Home, LLC and Ningbo Hongsheng Fireplace Company (SMG Hearth and Home, LLC). Included only where the model text contains ComfortBilt.

Evidence used for this hub: Model text contains ComfortBilt, including ComfortBilt HP22 and HP22i.

Currently certified

Comfortbilt: model lines EPA lists as currently certified
Model line EPA manufacturer Status Emission (g/hr) HHV efficiency Heat output Firebox Fuel
ComfortBilt HP22N, HP22, and HP22i Insert
Name indicates insert
SMG Hearth and Home, LLC Currently certified 1 81% 12,820–40,689 BTU/hr Not applicable Wood Pellets
ComfortBilt HP50S SMG Hearth and Home, LLC Currently certified 1.7 80% 17,794–39,170 BTU/hr Not applicable Wood Pellets

Previously certified

Comfortbilt: model lines not in the currently certified result
Model line EPA manufacturer Status Emission (g/hr) HHV efficiency Heat output Firebox Fuel
ComfortBilt HP55 SMG Hearth and Home, LLC Previously certified 1.2 81% 19,019–35,844 BTU/hr Not applicable Wood Pellets
ComfortBilt HP54 SMG Hearth and Home, LLC Previously certified 1.5 84% 18,813–44,391 BTU/hr Not applicable Wood Pellets
HP22 ComfortBilt Ningbo Hongsheng Fireplace Company (SMG Hearth and Home, LLC) Previously certified 1.9 73% 14,503–36,449 BTU/hr Not applicable Wood Pellets
HP22 ComfortBilt SMG Hearth and Home, LLC Previously certified 1.9 73% 14,503–36,449 BTU/hr Not applicable Wood Pellets
HP50S Comfortbilt Ningbo Hongsheng Fireplace Company (SMG Hearth and Home, LLC) Previously certified 2.5 81% 13,400–38,600 BTU/hr Not applicable Wood Pellets

EPA Certified Wood Heater Database