6140 B, 6143 B, 6148 B, and 6170 B
Previously certified
EPA lists 6140 B, 6143 B, 6148 B, and 6170 B under Morso Jernstoberi A/S as a previously certified non-catalytic wood stove.
The listed emission rate is 0.67 grams per hour.
The listed HHV efficiency is 77 percent.
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 | 0.67 grams per hour |
| HHV efficiency | 77 percent |
| Heat output | 15,043–38,107 BTU/hr |
| Firebox | 0.505 cu ft |
| CO | 0.6 g/min |
| Certified fuel | Cord Wood |
| 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.
- 6140 B
- 6143 B
- 6148 B
- and 6170 B
Other model lines from this manufacturer
- 1410B, 1440B, 1450B Currently certified
- 3112B, 3142B Currently certified
- 5660 B, 5600 B Standard Currently certified
- 6100 B Series (6140 B, 6143 B, 6148 B, 6170 B) Currently certified
- 7110 C Currently certified
- 1710 Previously certified
- 2040 Previously certified
- 2B Classic 2020 Previously certified
- 2B Standard 2020 Previously certified
- 3112 and 3142 Previously certified
- 4600 Previously certified
- 4650 (Soapstone) Previously certified
- 5660 Series Previously certified
- 6100 Series Previously certified
- 7110 Previously certified
- 7110 B Previously certified
- 7600 Series Previously certified
- 7900 Series (7940, 7943, 7948, 7970, 7990) Previously certified
- 8140, 8142, 8143, 8145, 8147, 8150, 8151, and 8190 Previously certified
- 8180 Previously certified
- Morso 2B Previously certified
- Owl 3410/3440 and 3450 Previously certified
- Panther 2110B Previously certified
- Squirrel 1410, 1450, 1440 Previously certified
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
- Green Mountain 80 8680 — 0.67 grams per hour
- F445 V2 — 0.65 grams per hour
- Manchester 8362 — 0.65 grams per hour
- 2.3H Series: Archway 2300 H, FW2900 H, Gateway 2300 H, Green Mountain Insert 70 (8451), Escape 1800 H, Inspire 2000 H, Inspire 2000-I H, Matrix H, Escape 1800-I H, Osburn 2000 H, Osburn 2000-I H, Harmony 2.3 H, Solution 2.3 H, Solution 2.3-I H, CW2900 H, Destination 2.3 H, Destination 2.3-I H, Matrix-I H, HES240 H, HEI240H, Heritage H, Deco Alto H, Blue Ridge 300P H, Blue Ridge 300L H, Blue Ridge 00-I H, Origin 2000 H, Origin 2000-I H, Evasion 2.3 H, Evasion 2.3-I H — 0.7 grams per hour
- Encore 1450 N/C — 0.7 grams per hour
HHV efficiency
- 210a Ideal Steel Hybrid — 77 percent
- 42 Apex NexGen-Hybrid — 77 percent
- Absolute Steel Hybrid 211 — 77 percent
- Ashford 20.1, Chinook 20.1, Sirocco 20.1 — 77 percent
- Ashford AF25, Boxer 24 (BX24), Sirocco SC25 — 77 percent
Heat output
- Avalon Pendelton 90/Pendelton 45 — 8,700–44,400 BTU/hr
- Catalytic Fireview Soapstone Stove #201, Classic #200 — 13,200–40,000 BTU/hr
- FP30 Series B — 14,600–38,600 BTU/hr
- Pendleton, Pendleton Insert — 8,700–44,400 BTU/hr
- Farringdon 12 — 12,593–40,422 BTU/hr