Defiant 1975
Previously certified
EPA lists Defiant 1975 under Monessan Hearth Systems (Vermont Castings Group) as a previously certified non-catalytic wood stove.
The listed emission rate is 2.3 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 | 2.3 grams per hour |
| HHV efficiency | Not listed |
| Heat output | 9,600–26,600 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.
- Defiant 1975
Other model lines from this manufacturer
- Campbell II Elite S-24X & FW24 Series, CJW1000L02, Previously certified
- Century/Dutchmaster FW and CDW Previously certified
- CJW2500X02, DW2500 and JW2500X10 Previously certified
- CW2500X00, CW2500X02, JW2500X00, Previously certified
- FW247001 to FE247004 and JW1000PF1 Previously certified
- JW1000L10 and JW1000P10, DW1000, FW2400, S24 Previously certified
- Merrimack, Essex 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
- 2.3 Series (Archway 2300, FW2900, Gateway 2300, Green Mountain Insert 70, Escape 1800, Inspire 2000, Inspire 2000-I, Matrix, Escape 1800-I, Osburn 2000, Osburn 2000-I, Harmony 2.3, Solution 2.3, Solution 2.3-I, CW2900, Destination 2.3-I, Matrix-I, HES240, HEI240, Heritage, Deco Alto, Harmony 2.3-I, Blue Ridge 300P, Blue Ridge 300L, and Blue Ridge 300-I) — 2.3 grams per hour
- 44-A BI and Z.C. — 2.3 grams per hour
- Breckwell W3000FS/W3000I — 2.3 grams per hour
- Defiant 1975-NC — 2.3 grams per hour
- F2450 — 2.3 grams per hour
HHV efficiency
EPA does not list an HHV efficiency to compare, or no other line lists one.
Heat output
- 7110 C — 12,729–23,449 BTU/hr
- Astra 24 24SFC, Novo 24 - Cast Iron — 12,237–23,872 BTU/hr
- 8140, 8142, 8143, 8145, 8147, 8150, 8151, and 8190 — 10,900–25,400 BTU/hr
- Dutchwest Extra Large Convection 2462 — 8,300–28,000 BTU/hr
- Dutchwest Extra Large Convection 2462 — 8,300–28,000 BTU/hr