FPI/Regency Fireplace Products F1500 vs FPI/Regency Fireplace Products F2500-1

The FPI/Regency Fireplace Products F1500 is the cleaner burner: 1 g/hr certified particulate emissions versus 1.4 g/hr. They tie on efficiency at 78% HHV. The FPI/Regency Fireplace Products F2500-1 produces more peak heat (29,795 vs 24,488 BTU/h), suiting roughly 850–1,200 sq ft. The FPI/Regency Fireplace Products F2500-1 has the larger firebox (2.3 vs 0.98 cu ft), which generally means longer burns between reloads.

FPI/Regency Fireplace Products F1500 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 g/hr 1.4 g/hr
Efficiency (HHV) 78 % 78 %
Heat output (low) 14244 BTU/h 13580 BTU/h
Heat output (high) 24488 BTU/h 29795 BTU/h
Firebox volume 0.98 cu ft 2.3 cu ft
Carbon monoxide 0.32 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 73-16 133-18
Covered model numbers F1500, I1500 F2500-1, I2500-1

Frequently asked questions

Which burns cleaner, the FPI/Regency Fireplace Products F1500 or the FPI/Regency Fireplace Products F2500-1?

The FPI/Regency Fireplace Products F1500: 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 F1500 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.