NPS45
Previously certified
EPA lists NPS45 under Wolf Steel Ltd. as a previously certified pellet stove.
The listed emission rate is 2.4 grams per hour.
EPA does not list an HHV efficiency for this model line.
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 | 2.4 grams per hour |
| HHV efficiency | Not listed |
| Heat output | 8,800–29,000 BTU/hr |
| Firebox | Not applicable |
| CO | Not listed |
| 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.
- NPS45
Other model lines from this manufacturer
- 1100 series (Napoleon 1100, 1100L, 1100C, 1150, 1101), S1 Previously certified
- 1400 series (Napoleon 1400, 1400L, 1450,1401),S4, 1402 Previously certified
- 2100 series (Timberwolf) Previously certified
- 2200 series (Timberwolf 2200, 2201) Previously certified
- EPI22 Previously certified
- EPI3 Previously certified
- Napoleon EPI3C, Napoleon EPI3T, Napoleon EPI3TN, Timberwolf TI3C-1, Timberwolf TI3T-1, Timberwolf TI3TN-1 Previously certified
- Napoleon S25, Napoleon S25i, Timberwolf T25, Timberwolf T25i Previously certified
- Napoleon S30, Timberwolf T30 Previously certified
- NZ3000H Previously certified
- NZ3000H, TZ3000H Previously certified
- Timberwolf 2100, Ambience AMB9000 (Outlander 15) Previously certified
- Timberwolf 2200, Timberwolf EPI22, Napoleon S20, Napoleon S20i, Timberwolf T20, Timberwolf T20i, Ambience 9010 (Outlander 19), Ambience 9100 (Outlander i19) Previously certified
- TPSI35 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
- 65 Series Euromax (2014), Eco-65 (2014), and Osburn 7000 (2014) — 2.4 grams per hour
- QCPS - 28000 — 2.4 grams per hour
- Blaze King Auto Light PAL-4000 — 2.5 grams per hour
- DC Series Osburn Volta and Drolet Edison — 2.5 grams per hour
- HP50S Comfortbilt — 2.5 grams per hour
HHV efficiency
EPA does not list an HHV efficiency to compare, or no other line lists one.
Heat output
- Breckwell SP1000, Big E — 5,813–31,935 BTU/hr
- Sweet Home Solitaire PFA 2000 — 9,700–28,200 BTU/hr
- PS60W, PS60WTS, C80XL, H80XL, J80XL, N80XL, C60W, H60W, J60W, N60W, C60WTS, H60WTS, J60WTS, N60WTS — 9,739–28,165 BTU/hr
- Breckwell Maverick SP22(i), Breckwell Sonora SP23(i), Breckwell Blazer Insert SP24(i), Breckwell SP2000(i), Breckwell AP2000(i), Breckwell SP2700, Breckwell SP4000, Breckwell SPC4000, Breckwell APC4000, Breckwell 5040(i) — 4,814–32,788 BTU/hr
- HT 1600-Standard/HT 1600 Deluxe, HT-1600 Siberian, Ashley 1600 — 11,200–26,400 BTU/hr