Ladera-D, WRT3920-B
Currently certified
EPA lists Ladera-D, WRT3920-B under Innovative Hearth Products as a currently certified non-catalytic wood stove.
The listed emission rate is 1.66 grams per hour.
The listed HHV efficiency is 59 percent.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
EPA rows
| Field | Row 1 |
|---|---|
| Status | Currently certified |
| Type | Wood Stove |
| Subtype | Non-Catalytic Stove |
| Emission | 1.66 grams per hour |
| HHV efficiency | 59 percent |
| Heat output | 12,023–53,266 BTU/hr |
| Firebox | 1.71 cu ft |
| CO | 1.3 g/min |
| Certified fuel | Cord 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-D
- WRT3920-B
Other model lines from this manufacturer
- GV230GL, ML230GL Currently certified
- GV300GL, ML300GL 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
- Ladera CAT WRT3920WS 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
- 1.4R Series: Osburn 950 N, Escape 1200 N, Gateway 1400 N, Solution 1.4 N, Spark II N, Fox N, Deco Nano N, S250 N, HES140 N, Blue Ridge 100 N, SP1400 N, SL1400 N — 1.7 grams per hour
- 21NC — 1.7 grams per hour
- 81C, Carolina 82C — 1.7 grams per hour
- Charnwood Skye E700 — 1.7 grams per hour
- E-1/90 — 1.7 grams per hour
HHV efficiency
- Delta Fusion — 60 percent
- Montecito-C Series: Montecito-C, WCT6920WSS, Bainbridge-B, WCT4920WSS — 61 percent
- Spartherm S 600 Insert, Spartherm S 600 ZC, Spartherm S 600 Module — 62 percent
- Brass Flame KS-805 — 63 percent
- FP16 LE, FP16 AR LE — 63 percent
Heat output
- Chateau NC24 — 14,500–51,000 BTU/hr
- Lopi X/96 — 11,600–53,900 BTU/hr
- Norflam Harbor Light, Sierra Flame Lynwood W76, SBI Cape Town 1800 — 13,927–51,616 BTU/hr
- Caddy (duct furnace) — 12,000–52,900 BTU/hr
- Model 74 — 13,300–52,400 BTU/hr
Innovative Hearth Products hub · EPA Certified Wood Heater Database