ComfortBilt HP22N, HP22, and HP22i Insert
Currently certified
EPA lists ComfortBilt HP22N, HP22, and HP22i Insert under SMG Hearth and Home, LLC as a currently certified pellet stove.
The listed emission rate is 1 grams per hour.
The listed HHV efficiency is 81 percent.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
EPA rows
| Field | Row 1 |
|---|---|
| Status | Currently certified |
| Type | Pellet Stove |
| Subtype | Non-Catalytic Stove |
| Emission | 1 grams per hour |
| HHV efficiency | 81 percent |
| Heat output | 12,820–40,689 BTU/hr |
| Firebox | Not applicable |
| CO | 0 g/min |
| Certified fuel | Wood Pellets |
| Test method | Not listed |
| 2020 NSPS | Yes |
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.
- ComfortBilt HP22N
- HP22
- and HP22i Insert
Other model lines from this manufacturer
- ComfortBilt HP50S Currently certified
- HP 21 Currently certified
- HP 40 Currently certified
- HP 61 Currently certified
- HP41 - Alpine Currently certified
- HP42-Alpine Currently certified
- HP75C Currently certified
- ComfortBilt HP54 Previously certified
- ComfortBilt HP55 Previously certified
- HP22 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
- 3500P, 35001, and 3502 — 1 grams per hour
- 55-SHPCBEP, 55-TRPCBEP, and 25-CBEP — 1 grams per hour
- 5710, AP5710, VG5710, 5501S, AP5501S, VG5501S, 5710-XH, and US513M — 1 grams per hour
- 5790E, AP5790E, VG5790E, KP5790E, KP5790-W, US5790E, CGPS2200, DH4800, BHPS48 — 1 grams per hour
- Ashby-P — 1 grams per hour
HHV efficiency
- ComfortBilt HP55 — 81 percent
- Francesca 2015 (01-US-001A), Nicole (2005ERU1), RV 80 Ceramica (014-US-007A), Francesca Top Outlet — 81 percent
- HP 40 — 81 percent
- HP50S Comfortbilt — 81 percent
- HP75C — 81 percent
Heat output
- Eclipse-P II — 15,784–37,669 BTU/hr
- HP75C — 10,525–43,298 BTU/hr
- 1890(S30) — 11,200–42,700 BTU/hr
- FoxFire, Deerfield — 12,000–41,000 BTU/hr
- Tiburon — 8,500–44,500 BTU/hr
SMG Hearth and Home, LLC hub · EPA Certified Wood Heater Database