Gaya Ardoise, Itaya, Onyx, Gaya Feuille, Symphonia, Antaya, Theïa, Akan
Previously certified
EPA lists Gaya Ardoise, Itaya, Onyx, Gaya Feuille, Symphonia, Antaya, Theïa, Akan under Energy Distribution as a previously certified non-catalytic wood stove.
EPA lists 2 rows for this model line, with emission rates of 1.9 grams per hour and 2.3 grams per hour.
The listed HHV efficiency is 63 percent.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
EPA rows
| Field | Row 1 | Row 2 |
|---|---|---|
| Status | Previously certified | Previously certified |
| Type | Wood Stove | Wood Stove |
| Subtype | Non-Catalytic Stove | Non-Catalytic Stove |
| Emission | 1.9 grams per hour | 2.3 grams per hour |
| HHV efficiency | 63 percent | 66 percent |
| Heat output | 33,282–36,774 BTU/hr | 38,137–38,271 BTU/hr |
| Firebox | 2.31 cu ft | Not listed |
| CO | 3.1 g/min | 2.3 g/min |
| Certified fuel | Crib Wood | Crib Wood |
| Test method | Not listed | Not listed |
| 2020 NSPS | Yes | 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.
- Gaya Ardoise
- Itaya
- Onyx
- Gaya Feuille
- Symphonia
- Antaya
- Theïa
- Akan
Other model lines from this manufacturer
- Invicta Group: Kazan, Kazan GA, Kiara, Kiara GA 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
- 15-SSW01, 50-SHSSW01, 50-TRSSW01, 15-W03, 50-SHW03, 50-TRW03 — 1.9 grams per hour
- 3000 (AFS7500), SW4100 — 1.9 grams per hour
- 3000 DNMW410 — 1.9 grams per hour
- 3000FT — 1.9 grams per hour
- 3112B, 3142B — 1.9 grams per hour
HHV efficiency
- Brass Flame KS-805 — 63 percent
- FP16 LE, FP16 AR LE — 63 percent
- Invicta Group: Kazan, Kazan GA, Kiara, Kiara GA — 63 percent
- NZ3000H — 63 percent
- Shaker — 63 percent
Heat output
- BIS Design No. 1.2 — 14,200–55,800 BTU/hr
- 3 CB — 11,900–58,300 BTU/hr
- Quadra Fire 4300 ACT — 11,900–58,500 BTU/hr
- Pleasant Hearth Small Wood Stove SWS-1200, SWS-1200-B, HWS-1200, HWS-1200-B, PWS- 1200-B PH1200WS, WSL-1200, PH1200WS-B, WSL-1200-B, GWS-1200-B, WS-1200, GWS-1200 WS-1200-B — 14,295–56,107 BTU/hr
- Regency R6, RA6, RA8 Wood Stoves — 11,500–59,000 BTU/hr
Energy Distribution hub · EPA Certified Wood Heater Database