Ladera CAT WRT3920WS
Previously certified
EPA lists Ladera CAT WRT3920WS under Innovative Hearth Products as a previously certified catalytic wood stove.
The listed emission rate is 1.8 grams per hour.
The listed HHV efficiency is 65 percent.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
EPA rows
| Field | Row 1 |
|---|---|
| Status | Previously certified |
| Type | Wood Stove |
| Subtype | Catalytic Stove |
| Emission | 1.8 grams per hour |
| HHV efficiency | 65 percent |
| Heat output | 12,934–22,847 BTU/hr |
| Firebox | 1.68 cu ft |
| CO | 0.18 g/min |
| Certified fuel | Crib Wood |
| Test method | Not listed |
| 2020 NSPS | 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.
- Ladera CAT WRT3920WS
Other model lines from this manufacturer
- GV230GL, ML230GL Currently certified
- GV300GL, ML300GL Currently certified
- Ladera-D, WRT3920-B Currently certified
- Montecito Estate CAT, WCT6940WS Currently certified
- Montecito-C Series: Montecito-C, WCT6920WSS, Bainbridge-B, WCT4920WSS Currently certified
- S160AGL, S160TGL, C160AGL, C160TGL, T160GL, WXS2016 Currently certified
- T2100GLS, C210AGLS, C210TGLS, S210AGLS, WXS2021WSS Currently certified
- Winslow PI40GL, Winslow PS40GL Currently certified
- Bella Previously certified
- Canyon ST310, S310, C310, Elite E310 Previously certified
- Grand View GV230, Montake ML230 Previously certified
- Grand View GV300, Montake ML300 Previously certified
- Legacy S260, C260, Elite E260 Previously certified
- MONTAGE M32FS Previously certified
- Montecito-B, Bainbridge (LVCFAR), WCT6920, WCT4920, WRT4920 Previously certified
- Montecito, BIS Tradition CE, WCT6820WS, Brentwood SP, BIS Ultima-1, WCT4820WS, Brentwood LV, BIS Ultima CF, WRT4820WS Previously certified
- Performer SS210, S210, ST210, C210, SWI210, SWS210 Previously certified
- S210AGL, C210TGL, C210AGL, T2100GL, and WSX2021WS-B Previously certified
- Striker S160, C160, SWI160, SWS160 Previously certified
- Tahoma 2100, WXS2021WS, ES2100 Previously certified
- Villa Vista, BIS Panorama, WRT4826WH, Villa Vista CD (Bella Vista) and WRC4826W Previously certified
- Winslow PS40, PI40 Previously 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
- 1.4 Series (Osburn 950, Escape 1200, Gateway 1400, Solution 1.4, Spark II, Fox, Déco Nano, S250, Harmony 1.4, HES140, Blue Ridge 100) — 1.8 grams per hour
- 1410B, 1440B, 1450B — 1.8 grams per hour
- 15-W06, 50-SHW06, 50-SHW06L, 50TRW06, 15-W08, 50-SHW08, 50-SHW08L, 50TRW08 — 1.8 grams per hour
- 30 Compact, 30 Compact-H, 30 Compact-one — 1.8 grams per hour
- 44 Elite — 1.8 grams per hour
HHV efficiency
- Astra Duo 38, Elegance 42 ST, Monarch See-Through, 38, Novo Duo 38 - Soapstone, Novo Duo 38 - Cast Iron — 65 percent
- Everest III Series: Everest III, HE325R, Dallaire, St. Clair 3000R, Solution 3.0 ZC — 65 percent
- FP16 — 65 percent
- Fusion 24 24FN — 65 percent
- Quadra-Fire Expedition I, Vermont Castings Gifford-CB, Vermont Castings Gifford-BM — 65 percent
Heat output
- Summers Heat 50-SHW20 Englander Model 24JC — 7,200–28,600 BTU/hr
- 100B, 100B O.S.A. LEPRECHAUN — 9,000–26,700 BTU/hr
- Duet (Duet 4 Seasons and Vision) — 10,800–24,900 BTU/hr
- Briarwood BB, BBI and BBZC — 10,600–25,300 BTU/hr
- DutchWest Medium 2478 — 10,600–25,300 BTU/hr
Innovative Hearth Products hub · EPA Certified Wood Heater Database