Fire Chief FC1700, FC1900 and Shelter Furnace SF3100, SF4200
Previously certified
EPA lists Fire Chief FC1700, FC1900 and Shelter Furnace SF3100, SF4200 under Fire Chief Industries/Shelter Furnace/HY-C Company as a previously certified forced-air furnace.
The listed emission rate is 0.26 pounds per million BTU.
The listed HHV efficiency is 64 percent.
Source: EPA Certified Wood Heater Database, snapshot 2026-10-23.
EPA rows
| Field | Row 1 |
|---|---|
| Status | Previously certified |
| Type | Forced Air Furnace |
| Subtype | Non-Catalytic Stove |
| Emission | 0.26 pounds per million BTU |
| HHV efficiency | 64 percent |
| Heat output | 25,586–67,337 BTU/hr |
| Heat output maximum | Not listed |
| Firebox | Not listed |
| CO | 2.3 g/min |
| Certified fuel | Cord Wood |
| Test method | Not listed |
| 2020 NSPS | No |
| Thermal storage | 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.
- Fire Chief FC1700
- FC1900 and Shelter Furnace SF3100
- SF4200
Other model lines from this manufacturer
- Fire Chief FC1000 and Shelter SF1000 Previously certified
- Fire Chief FC1500 and Shelter Furnace SF2600 Previously certified
Nearest model lines by EPA figures
Nearest means the smallest absolute difference on that EPA figure, among other Forced Air Furnace model lines that list it. Ties are ordered by model name.
Emission
- 1660E, AF1660E, CF1660E, SF1660E, BK1660E, NM1660E, GE1660E, CH1660E, VG1660E, HC1660E, and HB1660E — 0.3 pounds per million BTU
- 620-9 and 620-10 — 0.2 pounds per million BTU
- Fire Chief FC1000 and Shelter SF1000 — 0.19 pounds per million BTU
- 7700 — 0.36 pounds per million BTU
- Fire Chief FC1500 and Shelter Furnace SF2600 — 0.37 pounds per million BTU
HHV efficiency
- 1400E, 1440E, AF1440E, CF1440E, BK1440E, NM1440E, GE1440E, CH1440E, VG1440E, HC1440E, HB1440E, VG1501E, 1551E, AF1500E — 63 percent
- 620-9 and 620-10 — 65 percent
- Fire Chief FC1500 and Shelter Furnace SF2600 — 63 percent
- 1660E, AF1660E, CF1660E, SF1660E, BK1660E, NM1660E, GE1660E, CH1660E, VG1660E, HC1660E, and HB1660E — 62 percent
- Caddy Alterna II — 69 percent
Heat output
- 7000 — 22,177–72,449 BTU/hr
- Fire Chief FC1500 and Shelter Furnace SF2600 — 23,905–74,178 BTU/hr
- Caddy Alterna II — 22,537–64,737 BTU/hr
- AF700 and CF700M — 20,568–64,116 BTU/hr
- 1660EFE, AF1660EFE, CF1660EFE, NM1660EFE, VG1660EFE, HB1660EFE — 27,875–73,849 BTU/hr
Fire Chief Industries/Shelter Furnace/HY-C Company hub · EPA Certified Wood Heater Database