HP22 ComfortBilt
Previously certified
EPA lists HP22 ComfortBilt under Ningbo Hongsheng Fireplace Company (SMG Hearth and Home, LLC) as a previously certified pellet stove.
The listed emission rate is 1.9 grams per hour.
The listed HHV efficiency is 73 percent.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
EPA rows
| Field | Row 1 |
|---|---|
| Status | Previously certified |
| Type | Pellet Stove |
| Subtype | Non-Catalytic Stove |
| Emission | 1.9 grams per hour |
| HHV efficiency | 73 percent |
| Heat output | 14,503–36,449 BTU/hr |
| Firebox | Not applicable |
| CO | 0.16 g/min |
| Certified fuel | Wood Pellets |
| Test method | Not listed |
| 2020 NSPS | No |
Retail names in the model line
These are the names split from EPA's model cell. They are aliases for this line, not separate listings.
- HP22 ComfortBilt
Other model lines from this manufacturer
- HP 21 Previously certified
- HP 61 Previously certified
- HP50S Comfortbilt Previously certified
Nearest model lines by EPA figures
Nearest means the smallest absolute difference on that EPA figure, among other Pellet Stove model lines that list it. Ties are ordered by model name.
Emission
- 5660E, AP5660, AP5660L, AP5660PE, DNMP566 — 1.9 grams per hour
- Eclipse-P II — 1.9 grams per hour
- Enviro M55-FS-2, Enviro M55C-FS-2, Enviro M55C-FPI-2, FPI GC60-2, and FPI GCI60-2 — 1.9 grams per hour
- FBX S, FBX S+, FBX T, FBX R, FBX BUMP, ZEFIRO — 1.9 grams per hour
- GW1949 — 1.9 grams per hour
HHV efficiency
- Baby Country Side — 73 percent
- Deerfield — 73 percent
- Harman P61a — 73 percent
- Harman P68 — 73 percent
- HP22 ComfortBilt — 73 percent
Heat output
- HP22 ComfortBilt — 14,503–36,449 BTU/hr
- Quadra Fire CB1200/Classic Bay 1200 — 13,500–37,600 BTU/hr
- RV120 Touch, Atena V, Vitoria V — 12,900–37,800 BTU/hr
- Mt Vernon E2 (MTV-E2/MTVI-E2) — 13,800–37,500 BTU/hr
- RC120 Touch, Atena C, Vitoria C — 13,800–37,500 BTU/hr
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