Blaze King Industries 20.2 Series: Ashford 20.2 (AF20.2) vs FPI/Regency Fireplace Products F3500B-1

The Blaze King Industries 20.2 Series: Ashford 20.2 (AF20.2) is the cleaner burner: 1.05 g/hr certified particulate emissions versus 1.1 g/hr. The Blaze King Industries 20.2 Series: Ashford 20.2 (AF20.2) is the more efficient unit: 80% versus 76% HHV — more heat from every cord. The Blaze King Industries 20.2 Series: Ashford 20.2 (AF20.2) produces more peak heat (31,092 vs 30,659 BTU/h), suiting roughly 900–1,250 sq ft. The FPI/Regency Fireplace Products F3500B-1 has the larger firebox (3.024 vs 1.86 cu ft), which generally means longer burns between reloads.

Blaze King Industries 20.2 Series: Ashford 20.2 (AF20.2) FPI/Regency Fireplace Products F3500B-1
Appliance type wood-stove wood-stove
Combustion technology Catalytic Stove Catalytic Stove
Certified fuel Crib Wood Crib Wood
Emission rate 1.05 g/hr 1.1 g/hr
Efficiency (HHV) 80 % 76 %
Heat output (low) 10786 BTU/h 13650 BTU/h
Heat output (high) 31092 BTU/h 30659 BTU/h
Firebox volume 1.86 cu ft 3.024 cu ft
Carbon monoxide 0.57 g/min 1.8 g/min
25C tax credit eligible (≥75% HHV) Yes Yes
2020 NSPS compliant Yes Yes
Currently in production Yes Yes
EPA certification number 110-17 358-23
Covered model numbers 20.2 Series: Ashford 20.2 (AF20.2), Chinook 20.2 (CK20.2), Sirocco 20.2 (SC20.2) F3500B-1

Frequently asked questions

Which burns cleaner, the Blaze King Industries 20.2 Series: Ashford 20.2 (AF20.2) or the FPI/Regency Fireplace Products F3500B-1?

The Blaze King Industries 20.2 Series: Ashford 20.2 (AF20.2): 1.05 g/hr certified particulate emissions versus 1.1 g/hr for the FPI/Regency Fireplace Products F3500B-1.

Are the Blaze King Industries 20.2 Series: Ashford 20.2 (AF20.2) and FPI/Regency Fireplace Products F3500B-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.