FPI/Regency Fireplace Products CI2700-1 vs Pacific Energy Fireplace Products Limited TN25 C

Both stoves carry the same certified emission rate: 1.1 g/hr. The FPI/Regency Fireplace Products CI2700-1 is the more efficient unit: 77% versus 76% HHV — more heat from every cord. The Pacific Energy Fireplace Products Limited TN25 C produces more peak heat (29,202 vs 27,168 BTU/h), suiting roughly 850–1,150 sq ft. The Pacific Energy Fireplace Products Limited TN25 C has the larger firebox (1.98 vs 1.83 cu ft), which generally means longer burns between reloads.

FPI/Regency Fireplace Products CI2700-1 Pacific Energy Fireplace Products Limited TN25 C
Appliance type wood-stove wood-stove
Combustion technology Catalytic Stove Catalytic Stove
Certified fuel Crib Wood Crib Wood
Emission rate 1.1 g/hr 1.1 g/hr
Efficiency (HHV) 77 % 76 %
Heat output (low) 14291 BTU/h 13447 BTU/h
Heat output (high) 27168 BTU/h 29202 BTU/h
Firebox volume 1.83 cu ft 1.98 cu ft
Carbon monoxide 0.5 g/min 1.3 g/min
25C tax credit eligible (≥75% HHV) Yes Yes
2020 NSPS compliant Yes Yes
Currently in production Yes Yes
EPA certification number 359-23 347-23
Covered model numbers CI2700-1, HI500-1 TN25 C

Frequently asked questions

Which burns cleaner, the FPI/Regency Fireplace Products CI2700-1 or the Pacific Energy Fireplace Products Limited TN25 C?

They are tied: both are certified at 1.1 g/hr of particulates.

Are the FPI/Regency Fireplace Products CI2700-1 and Pacific Energy Fireplace Products Limited TN25 C 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.