RSF 3600B Series: Pearl 3600B, Perle 3600B, Focus 3600B, Focus 3600Bi
Currently certified
EPA lists RSF 3600B Series: Pearl 3600B, Perle 3600B, Focus 3600B, Focus 3600Bi under RSF / Industrial Chimney Company, Incorporated as a currently certified non-catalytic wood stove.
The listed emission rate is 1.7 grams per hour.
The listed HHV efficiency is 70 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 | 1.7 grams per hour |
| HHV efficiency | 70 percent |
| Heat output | 11,757–25,406 BTU/hr |
| Firebox | 1.6 cu ft |
| CO | 1.3 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.
- RSF 3600B Series
- Pearl 3600B
- Perle 3600B
- Focus 3600B
- Focus 3600Bi
Other model lines from this manufacturer
- Focus 320 SBR, Onyx SBR Currently certified
- OPEL PLUS Series: Opel+ 2C, Opel+ 3C, Opel+ 4C, Opel+ Keystone, Opel+ Keystone-AK Currently certified
- Delta Fusion Previously certified
- ONYX AP Previously certified
- ONYX, Focus 320 Previously certified
- Opel 2000C, OPEL AP Previously certified
- RSF 3600 Series: Pearl 3600, Perle 3600, Focus 3600, Focus 3600i, Focus 3600s Previously certified
- RSF Focus 320+; Onyx2+ Previously certified
- RSF Opel2C, Opel3C, Opel4C Previously certified
- TOPAZ/CHAEMELON (With Fan), FOCUS 250, PEARL/PERLE Previously certified
- TOPAZ/CHAMELEON (Without Fan), FOCUS 250, PEARL/PERLE 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
- 1.7 Series - Archway 1700, Gateway 1700, Columbia II, Savannah II, Deco II, HEI170, HES170, FW2800 — 70 percent
- 1.7 Series - Blackcomb II, Harmony 1.7, HEI170, HES170, Solution 1.7, Osburn 1700, Inspire 1700, Escape 1500, Escape 1500-I, Solution 1.7-I, Destination 1.7-I, Osburn 1700-I, Matrix 1700-I, Inspire 1700-I — 70 percent
- 15-SSW02,50-SHSSW02, and 50-TRSSW02 — 70 percent
- 21NC — 70 percent
- 30-H — 70 percent
Heat output
- 3112B, 3142B — 9,199–28,000 BTU/hr
- 3055 — 11,000–26,200 BTU/hr
- C.D. Federal "A Plus" FA224ACL — 7,200–30,000 BTU/hr
- C.D. Federal "A Plus" FA224ACL — 7,200–30,000 BTU/hr
- Monet — 11,000–26,200 BTU/hr
RSF / Industrial Chimney Company, Incorporated hub · EPA Certified Wood Heater Database