Crown Royal RS7400E
Previously certified
EPA lists Crown Royal RS7400E under Greentech Manufacturing Inc. as a previously certified hydronic heater.
The listed emission rate is 0.24 pounds per million BTU.
The listed HHV efficiency is 61 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 | 0.24 pounds per million BTU |
| HHV efficiency | 61 percent |
| Heat output | 296,192 BTU/hr maximum |
| Heat output maximum | 296,192 BTU/hr |
| Firebox | Not listed |
| CO | Not listed |
| Certified fuel | Crib Wood |
| Test method | Not listed |
| 2020 NSPS | No |
| 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 RS7400E
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 Stoves 7400E 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
- G Series G400G400s — 0.23 pounds per million BTU
- GT Series GT-6000 — 0.22 pounds per million BTU
- Phase 2-200 — 0.26 pounds per million BTU
- GARN WHS-1000H and WHS1000V — 0.2 pounds per million BTU
- GARN WHS-1000H, GARN WHS-1000V — 0.2 pounds per million BTU
HHV efficiency
- E4 — 61 percent
- Empire Elite 200/XT200 — 61 percent
- KB-125 — 61 percent
- USV 100GS — 61 percent
- Crown Royal RS7200E — 60 percent
Heat output
- ENVIRO CHIP-500 — 280,000 BTU/hr maximum
- P4 Unit 80 — 273,000 BTU/hr maximum
- 350X — 255,582 BTU/hr maximum
- P4 Unit 100 — 341,000 BTU/hr maximum
- GT Series GT-6000 — 250,000 BTU/hr maximum
Greentech Manufacturing Inc. hub · EPA Certified Wood Heater Database