P4000
Currently certified
EPA lists P4000 under HeatMaster Furnaces, Inc. as a currently certified hydronic heater.
The listed emission rate is 0.05 pounds per million BTU.
The listed HHV efficiency is 82 percent.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
EPA rows
| Field | Row 1 |
|---|---|
| Status | Currently certified |
| Type | Hydronic Heater |
| Subtype | Non-Catalytic Stove |
| Emission | 0.05 pounds per million BTU |
| HHV efficiency | 82 percent |
| Heat output | 17,944–147,388 BTU/hr |
| Heat output maximum | Not listed |
| Firebox | Not applicable |
| CO | 0.21 g/min |
| Certified fuel | Wood Pellets |
| 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.
- P4000
Other model lines from this manufacturer
- G Series G10000 Currently certified
- G Series G4000 Currently certified
- G Series G7000 Currently certified
- P7000 Currently 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
- Classic Edge 760.1, CleanFire 700.1 — 0.05 pounds per million BTU
- G Series G10000 — 0.05 pounds per million BTU
- G Series G10000 — 0.05 pounds per million BTU
- PE1 Pellet 20 — 0.05 pounds per million BTU
- PE1 Pellet 35 — 0.05 pounds per million BTU
HHV efficiency
- Central Boiler Classic Edge 360, WoodMaster– CleanFire 300 — 82 percent
- CleanFire 300 (Central Boiler Classic Edge 360) — 82 percent
- Maxim M255P/M255PE — 82 percent
- Pellematic 22 — 82 percent
- Central Boiler Classic Edge 760, WoodMaster– CleanFire 700 — 83 percent
Heat output
- Pellmax 200 UB — 83,100 BTU/hr maximum
- Central Boiler Classic Edge 360, WoodMaster– CleanFire 300 — 20,293–148,625 BTU/hr
- CleanFire 300 (Central Boiler Classic Edge 360) — 20,293–148,625 BTU/hr
- Komplett III LIGHT 25 KW — 85,000 BTU/hr maximum
- P4 Unit 25 — 85,300 BTU/hr maximum