Atmosphere and Evolution
Previously certified
EPA lists Atmosphere and Evolution under J. A. Roby Inc. as a previously certified non-catalytic wood stove.
The listed emission rate is 6.9 grams per hour.
EPA does not list an HHV efficiency for this model line.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
EPA rows
| Field | Row 1 |
|---|---|
| Status | Previously certified |
| Type | Wood Stove |
| Subtype | Non-Catalytic Stove |
| Emission | 6.9 grams per hour |
| HHV efficiency | Not listed |
| Heat output | 9,000–28,700 BTU/hr |
| Firebox | Not listed |
| CO | Not listed |
| Certified fuel | Not listed |
| Test method | Not listed |
| 2020 NSPS | 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.
- Atmosphere and Evolution
Other model lines from this manufacturer
- Cook, Cicero, Chief, Cuistot, Elda, Marmiton Currently certified
- Pioneer, Galileo, Score, Magellan, Hubble, Messenger, Apollo, Gemini, Spirit, Kepler, Kocher, Cocinera, Fornello, Kouzina, Kuchenka, Komfyr, Hubble(R), Apollo(R), Gemini(R), Spirit(R), Kepler(R) Currently certified
- Polaris, Centauri, Vega, Sirius, Antares, Rigel Currently certified
- Supero, Ignis, Calor Currently certified
Nearest model lines by EPA figures
Nearest means the smallest absolute difference on that EPA figure, among other Wood Stove model lines that list it. Ties are ordered by model name.
Emission
- 1050 — 6.9 grams per hour
- Deville 7794 - Comfort — 6.9 grams per hour
- Patriot — 6.9 grams per hour
- Sierra Classic 1500B — 6.9 grams per hour
- XVR-I, XLT-1, Classic, Eastwood 1800 — 6.9 grams per hour
HHV efficiency
EPA does not list an HHV efficiency to compare, or no other line lists one.
Heat output
- Classic II NCM 120 — 10,700–27,000 BTU/hr
- Harvest HII — 8,800–28,900 BTU/hr
- Townsend Woodstove TN-25 — 10,200–27,500 BTU/hr
- 3112 and 3142 — 9,300–28,500 BTU/hr
- 4100I ACC — 11,700–25,900 BTU/hr