Crown Royal RS7300E
Previously certified
EPA lists Crown Royal RS7300E under Greentech Manufacturing Inc. as a previously certified hydronic heater.
The listed emission rate is 0.29 pounds per million BTU.
The listed HHV efficiency is 54 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 | 0.29 pounds per million BTU |
| HHV efficiency | 54 percent |
| Heat output | 189,599 BTU/hr maximum |
| Heat output maximum | 189,599 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 RS7300E
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 RS7400E 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
- 400-4S — 0.28 pounds per million BTU
- KB-125 — 0.3 pounds per million BTU
- Klear Sky 400 — 0.3 pounds per million BTU
- Optimizer 350 — 0.3 pounds per million BTU
- X Series 200X — 0.3 pounds per million BTU
HHV efficiency
- AHB-170P — 54 percent
- Mahoning Skye Series V — 54 percent
- Wood Gun E155 — 53 percent
- KB-165 — 57 percent
- 350X — 58 percent
Heat output
- Empire Elite 200/XT200 — 185,983 BTU/hr maximum
- Crown Royal RS7200E — 184,508 BTU/hr maximum
- X Series 200X — 184,459 BTU/hr maximum
- Smart 55 — 183,573 BTU/hr maximum
- 200 SSP — 180,000 BTU/hr maximum
Greentech Manufacturing Inc. hub · EPA Certified Wood Heater Database