Crown Royal Stoves 7400E
Previously certified
EPA lists Crown Royal Stoves 7400E under Greentech Manufacturing Inc. as a previously certified hydronic heater.
The listed emission rate is 0.06 pounds per million BTU.
The listed HHV efficiency is 83 percent.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
EPA rows
| Field | Row 1 |
|---|---|
| Status | Previously certified |
| Type | Hydronic Heater |
| Subtype | Non-Catalytic Stove |
| Emission | 0.06 pounds per million BTU |
| HHV efficiency | 83 percent |
| Heat output | 43,236–310,495 BTU/hr |
| Heat output maximum | 325,000 BTU/hr |
| Firebox | 18.44 cu ft |
| CO | 3.5 g/min |
| Certified fuel | Cord Wood |
| Test method | Not listed |
| 2020 NSPS | Yes |
| Thermal storage | 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.
- Crown Royal Stoves 7400E
Other model lines from this manufacturer
- BIO200 Currently certified
- Crown Royal Stoves 7200E Currently certified
- Crown Royal Stoves 7300E Currently certified
- Crown Royal RS7200E Previously certified
- Crown Royal RS7300E Previously certified
- Crown Royal RS7400E Previously certified
Nearest model lines by EPA figures
Nearest means the smallest absolute difference on that EPA figure, among other Hydronic Heater model lines that list it. Ties are ordered by model name.
Emission
- BioWIN 212 — 0.06 pounds per million BTU
- BioWIN 212 — 0.06 pounds per million BTU
- Central Boiler Classic Edge 960, WoodMaster CleanFire 900 — 0.06 pounds per million BTU
- G Class G3 — 0.06 pounds per million BTU
- G Series G7000 — 0.06 pounds per million BTU
HHV efficiency
- Central Boiler Classic Edge 760, WoodMaster– CleanFire 700 — 83 percent
- Classic Edge 560.1, CleanFire 500.1 — 83 percent
- Classic Edge 760.1, CleanFire 700.1 — 83 percent
- Classic Edge 865, CleanFire 1800 — 83 percent
- Smart 55 — 83 percent
Heat output
- GARN WHS-1500H — 177,000 BTU/hr maximum
- GARN WHS-1500V — 177,000 BTU/hr maximum
- GX Series GX15 — 176,116 BTU/hr maximum
- Classic Edge 350 — 177,802 BTU/hr maximum
- 200 SSP — 180,000 BTU/hr maximum
Greentech Manufacturing Inc. hub · EPA Certified Wood Heater Database