StoveRatings

EPA snapshot 2026-10-23

Morso

EPA lists 5 currently certified model lines and 20 previously certified model lines for Morso.

The lowest listed emission rate among those currently certified lines is 1.2 grams per hour, on 5660 B, 5600 B Standard.

Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.

The hub title is the brand token EPA spelled Morso in the manufacturer string.

Evidence used for this hub: EPA manufacturer string: Morso Jernstoberi A/S

EPA manufacturer string: Morso Jernstoberi A/S.

Currently certified

Morso: model lines EPA lists as currently certified
Model line EPA manufacturer Status Emission (g/hr) HHV efficiency Heat output Firebox Fuel
5660 B, 5600 B Standard Morso Jernstoberi A/S Currently certified 1.2 71% 15,774–43,499 BTU/hr 1.15 cu ft Cord Wood
7110 C Morso Jernstoberi A/S Currently certified 1.5 73% 12,729–23,449 BTU/hr 0.83 cu ft Crib Wood
1410B, 1440B, 1450B Morso Jernstoberi A/S Currently certified 1.8 73% 13,250–24,733 BTU/hr 0.74 cu ft Crib Wood
6100 B Series (6140 B, 6143 B, 6148 B, 6170 B) Morso Jernstoberi A/S Currently certified 1.8 74% 11,892–19,067 BTU/hr 0.522 cu ft Crib Wood
3112B, 3142B Morso Jernstoberi A/S Currently certified 1.9 68% 9,199–28,000 BTU/hr 0.85 cu ft Crib Wood

Previously certified

Morso: model lines not in the currently certified result
Model line EPA manufacturer Status Emission (g/hr) HHV efficiency Heat output Firebox Fuel
2B Classic 2020 Morso Jernstoberi A/S Previously certified 0.5 80% 9,037–31,988 BTU/hr 0.686 cu ft Cord Wood
2B Standard 2020 Morso Jernstoberi A/S Previously certified 0.55 80% 6,959–25,299 BTU/hr 0.69 cu ft Cord Wood
6140 B, 6143 B, 6148 B, and 6170 B Morso Jernstoberi A/S Previously certified 0.67 77% 15,043–38,107 BTU/hr 0.505 cu ft Cord Wood
7110 B Morso Jernstoberi A/S Previously certified 1.1 75% 16,457–36,554 BTU/hr 0.83 cu ft Cord Wood
3112 and 3142 Morso Jernstoberi A/S Previously certified 3.1 Not listed 9,300–28,500 BTU/hr Not listed Crib Wood
4600 Morso Jernstoberi A/S Previously certified 3.2 Not listed 11,100–25,600 BTU/hr Not listed Not listed
Squirrel 1410, 1450, 1440 Morso Jernstoberi A/S Previously certified 3.3 Not listed 9,600–22,000 BTU/hr Not listed Crib Wood
Owl 3410/3440 and 3450 Morso Jernstoberi A/S Previously certified 3.5 Not listed 8,400–23,600 BTU/hr Not listed Crib Wood
7600 Series Morso Jernstoberi A/S Previously certified 3.6 Not listed 10,000–21,300 BTU/hr Not listed Crib Wood
4650 (Soapstone) Morso Jernstoberi A/S Previously certified 3.7 Not listed 10,900–25,700 BTU/hr Not listed Not listed
2040 Morso Jernstoberi A/S Previously certified 3.8 Not listed 11,100–40,100 BTU/hr Not listed Not listed
7110 Morso Jernstoberi A/S Previously certified 3.8 Not listed 10,700–27,900 BTU/hr Not listed Crib Wood
7900 Series (7940, 7943, 7948, 7970, 7990) Morso Jernstoberi A/S Previously certified 4 Not listed 11,600–26,700 BTU/hr Not listed Crib Wood
6100 Series Morso Jernstoberi A/S Previously certified 4.1 Not listed 11,100–22,000 BTU/hr Not listed Crib Wood
Morso 2B Morso Jernstoberi A/S Previously certified 4.1 Not listed 9,300–30,700 BTU/hr Not listed Crib Wood
5660 Series Morso Jernstoberi A/S Previously certified 4.3 Not listed 9,000–50,000 BTU/hr Not listed Crib Wood
Panther 2110B Morso Jernstoberi A/S Previously certified 4.3 Not listed 8,600–42,100 BTU/hr Not listed Crib Wood
1710 Morso Jernstoberi A/S Previously certified 4.4 Not listed 12,000–39,800 BTU/hr Not listed Crib Wood
8140, 8142, 8143, 8145, 8147, 8150, 8151, and 8190 Morso Jernstoberi A/S Previously certified 4.5 Not listed 10,900–25,400 BTU/hr Not listed Crib Wood
8180 Morso Jernstoberi A/S Previously certified 5.1 Not listed 9,300–28,500 BTU/hr Not listed Not listed

EPA Certified Wood Heater Database