Classic Edge 550
Previously certified
EPA lists Classic Edge 550 under Central Boiler Inc.- WoodMaster Inc. as a previously certified hydronic heater.
The listed emission rate is 0.31 pounds per million BTU.
The listed HHV efficiency is 70 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 | 0.31 pounds per million BTU |
| HHV efficiency | 70 percent |
| Heat output | 162,170 BTU/hr maximum |
| Heat output maximum | 162,170 BTU/hr |
| Firebox | Not listed |
| CO | Not listed |
| Certified fuel | Cord 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.
- Classic Edge 550
Other model lines from this manufacturer
- Central Boiler Classic Edge 360, WoodMaster– CleanFire 300 Currently certified
- Central Boiler Classic Edge 960, WoodMaster CleanFire 900 Currently certified
- Classic Edge 560.1, CleanFire 500.1 Currently certified
- Classic Edge 760.1, CleanFire 700.1 Currently certified
- Classic Edge 865, CleanFire 1800 Currently certified
- Maxim M255 PE Currently certified
- Central Boiler Classic Edge 560, WoodMaster– CleanFire 500 Previously certified
- Central Boiler Classic Edge 760, WoodMaster– CleanFire 700 Previously certified
- Classic Edge 350 Previously certified
- Classic Edge 750 Previously certified
- E-Classic 1450 Previously certified
- E-Classic 3250 IR Previously certified
- Maxim M255P/M255PE 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
- 350X — 0.31 pounds per million BTU
- Empire Elite 200/XT200 — 0.31 pounds per million BTU
- KB-165 — 0.31 pounds per million BTU
- 200 SSP — 0.32 pounds per million BTU
- Drummer-35 — 0.32 pounds per million BTU
HHV efficiency
- GX Series GX15 — 70 percent
- Kedel RTB54 — 70 percent
- NEO HV60 — 70 percent
- 200 SSP — 69 percent
- BioWIN 262 — 71 percent
Heat output
- Kedel RTB 170 — 162,000 BTU/hr maximum
- E4 — 161,455 BTU/hr maximum
- P50 — 163,000 BTU/hr maximum
- G Series G10000 — 41,551–280,451 BTU/hr
- G Series G10000 — 41,551–280,451 BTU/hr
Central Boiler Inc.- WoodMaster Inc. hub · EPA Certified Wood Heater Database