WS-250
Previously certified
EPA lists WS-250 under Precision Gas Technologies as a previously certified non-catalytic wood stove.
The listed emission rate is 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 | Wood Stove |
| Subtype | Non-Catalytic Stove |
| Emission | 4 grams per hour |
| HHV efficiency | Not listed |
| Heat output | 11,700–50,500 BTU/hr |
| Firebox | Not listed |
| CO | Not listed |
| Certified fuel | Not listed |
| 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.
- WS-250
Other model lines from this manufacturer
No other model line in this snapshot uses this manufacturer string.
Nearest model lines by EPA figures
Nearest means the smallest absolute difference on that EPA figure, among other Wood Stove model lines that list it. Ties are ordered by model name.
Emission
- 1.3 Series (Osburn 900, Pyropak, Rocket, S244, Solution 1.3, S245 — 4 grams per hour
- 1.6 Series (XVR-II, Solution 1.6, Soho, Destination 1.6, Savannah, Eldorado, FW2600) — 4 grams per hour
- 32-BW-XL-88, Gemini-XLB 1989 — 4 grams per hour
- 7900 Series (7940, 7943, 7948, 7970, 7990) — 4 grams per hour
- American Fireplace Stove 3TDC — 4 grams per hour
HHV efficiency
EPA does not list an HHV efficiency to compare, or no other line lists one.
Heat output
- K100/300/400 SEQUOIA — 10,100–52,100 BTU/hr
- LOPI 380-96 — 9,400–52,800 BTU/hr
- Quadra-Fire 4100 — 11,700–50,500 BTU/hr
- Imperial MKII, MKII Insert, Goldenaire — 10,700–51,600 BTU/hr
- US1261E, USLW900E — 28,784–33,557 BTU/hr
Precision Gas Technologies hub · EPA Certified Wood Heater Database