Greentech Manufacturing Crown Royal RS7400E
Greentech Manufacturing Crown Royal RS7400E is a non-catalytic hydronic heater from Greentech Manufacturing certified at 8 g/hr particulate emissions with 61% HHV efficiency (previously certified, no longer in production).
Previously certified (out of production). This model appears in the EPA Certified Wood Heater Database but is no longer on the current certified list, which usually means it is no longer manufactured. The specifications below are its certified figures, kept for reference and for owners of installed units. Browse currently certified heaters for models sold new today.
| Appliance type | hydronic-heater |
|---|---|
| Combustion technology | Non-Catalytic Stove |
| Certified fuel | Crib Wood |
| Covered model numbers | Crown Royal RS7400E |
| Emission rate | 8 g/hr |
|---|
| Efficiency (HHV) | 61 % |
|---|
| Heat output (high) | 296192 BTU/h |
|---|
| 25C tax credit eligible (≥75% HHV) | No |
|---|---|
| 2020 NSPS compliant | No |
| Currently in production | No |
What space does the Greentech Manufacturing Crown Royal RS7400E suit?
- Certified burning Crib Wood .
Similar hydronic heaters
- Greentech Manufacturing Crown Royal Stoves 7400E (2.4 g/hr)
- HeatMaster Furnaces G Series G10000 (0 g/hr)
- Heatmaster Furnaces Inc. (SteelTech Inc.) G Series G10000
- Piney Manufacturing ENVIRO CHIP-500 (5.4 g/hr)
- Fröling Heizkessel und Behälterbau Ges.m.b.H P4 Unit 80
- Central Boiler Inc.- WoodMaster Classic Edge 760.1
Frequently asked questions
Is the Greentech Manufacturing Crown Royal RS7400E EPA certified?
The Greentech Manufacturing Crown Royal RS7400E holds EPA certification number n/a but is no longer on the current certified list — it is previously certified, which usually means the model is out of production. Already-installed units are unaffected by that status in most jurisdictions.
What is the Greentech Manufacturing Crown Royal RS7400E's emission rate?
The Greentech Manufacturing Crown Royal RS7400E is certified at 8 grams of particulates per hour (tested with crib wood). Real-world emissions depend heavily on fuel moisture and operation — the lab figure assumes seasoned fuel and correct air settings.
Does the Greentech Manufacturing Crown Royal RS7400E qualify for a federal tax credit?
No — the federal 25C credit for biomass stoves was terminated for property placed in service after December 31, 2025. The Greentech Manufacturing Crown Royal RS7400E's certified efficiency is 61% HHV, which did not meet the credit's ≥75% HHV threshold while it existed. State and local incentive programs may still apply — check your state energy office and air district.
Sources
- cfpub.epa.gov (retrieved 2026-07-23)