Castle
EPA does not use Castle as the manufacturer name on these rows.
2 model lines have Castle in the EPA text, and 2 of them are currently certified.
EPA lists those lines under ARDISAM, Inc..
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
The word Castle in the model text is required. Castleton and Newcastle do not match. In this snapshot the matches are ARDISAM Castle Serenity lines.
Evidence used for this hub: ARDISAM, Inc. model text: Castle Serenity 12327 and Castle Serenity 41278.
Currently certified
| Model line | EPA manufacturer | Status | Emission (g/hr) | HHV efficiency | Heat output | Firebox | Fuel |
|---|---|---|---|---|---|---|---|
| Castle Serenity 41278 | ARDISAM, Inc. | Currently certified | 1 | 78% | 12,807–26,493 BTU/hr | Not applicable | Wood Pellets |
| Castle Serenity 12327 | ARDISAM, Inc. | Currently certified | 1.1 | 70% | 9,831–22,266 BTU/hr | Not applicable | Wood Pellets |
Previously certified
Every model line on this hub is in the currently certified result.