CP 500
Previously certified
EPA lists CP 500 under Advanced Climate Technologies, LLC as a previously certified hydronic heater.
The listed emission rate is 0.03 pounds per million BTU.
The listed HHV efficiency is 88 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 | 0.03 pounds per million BTU |
| HHV efficiency | 88 percent |
| Heat output | 532,000 BTU/hr maximum |
| Heat output maximum | 532,000 BTU/hr |
| Firebox | Not applicable |
| CO | Not listed |
| Certified fuel | Wood Pellets |
| Test method | Not listed |
| 2020 NSPS | No |
| Thermal storage | Yes |
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.
- CP 500
Other model lines from this manufacturer
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
- CP 1000 — 0.03 pounds per million BTU
- Maxim M255 PE — 0.03 pounds per million BTU
- P4 Unit 100 — 0.03 pounds per million BTU
- P4 Unit 15 — 0.03 pounds per million BTU
- P4 Unit 20 — 0.03 pounds per million BTU
HHV efficiency
- BioWin 102 — 88 percent
- CP 850 — 88 percent
- ECO-HK 120 Multifuel — 88 percent
- G Series G10000 — 88 percent
- G Series G10000 — 88 percent
Heat output
- T4-150 — 512,000 BTU/hr maximum
- Pyrot 150 — 494,000 BTU/hr maximum
- T4-130 — 444,000 BTU/hr maximum
- BIO200 — 94,396–772,085 BTU/hr
- 400-4S — 400,000 BTU/hr maximum
Advanced Climate Technologies, LLC hub · EPA Certified Wood Heater Database