FPI/Regency Fireplace Products CI2700-1 vs FPI/Regency Fireplace Products F2500-1

The FPI/Regency Fireplace Products CI2700-1 is the cleaner burner: 1.1 g/hr certified particulate emissions versus 1.4 g/hr. The FPI/Regency Fireplace Products F2500-1 is the more efficient unit: 78% versus 77% HHV — more heat from every cord. The FPI/Regency Fireplace Products F2500-1 produces more peak heat (29,795 vs 27,168 BTU/h), suiting roughly 850–1,200 sq ft. The FPI/Regency Fireplace Products F2500-1 has the larger firebox (2.3 vs 1.83 cu ft), which generally means longer burns between reloads.

FPI/Regency Fireplace Products CI2700-1 FPI/Regency Fireplace Products F2500-1
Appliance type wood-stove wood-stove
Combustion technology Catalytic Stove Catalytic Stove
Certified fuel Crib Wood Crib Wood
Emission rate 1.1 g/hr 1.4 g/hr
Efficiency (HHV) 77 % 78 %
Heat output (low) 14291 BTU/h 13580 BTU/h
Heat output (high) 27168 BTU/h 29795 BTU/h
Firebox volume 1.83 cu ft 2.3 cu ft
Carbon monoxide 0.5 g/min 0.51 g/min
25C tax credit eligible (≥75% HHV) Yes Yes
2020 NSPS compliant Yes Yes
Currently in production Yes Yes
EPA certification number 359-23 133-18
Covered model numbers CI2700-1, HI500-1 F2500-1, I2500-1

Frequently asked questions

Which burns cleaner, the FPI/Regency Fireplace Products CI2700-1 or the FPI/Regency Fireplace Products F2500-1?

The FPI/Regency Fireplace Products CI2700-1: 1.1 g/hr certified particulate emissions versus 1.4 g/hr for the FPI/Regency Fireplace Products F2500-1.

Are the FPI/Regency Fireplace Products CI2700-1 and FPI/Regency Fireplace Products F2500-1 both EPA certified?

Yes — both appear on the U.S. EPA's current list of certified wood heaters, and every figure on this page comes from their certification records.