Hearth and Home Technologies Quadra-Fire 21M-ACC-C vs Pacific Energy Fireplace Products Limited True North TN10

The Pacific Energy Fireplace Products Limited True North TN10 is the cleaner burner: 1.4 g/hr certified particulate emissions versus 1.7 g/hr. The Hearth and Home Technologies Quadra-Fire 21M-ACC-C is the more efficient unit: 76% versus 73% HHV — more heat from every cord. The Hearth and Home Technologies Quadra-Fire 21M-ACC-C produces more peak heat (29,322 vs 17,623 BTU/h), suiting roughly 850–1,150 sq ft. The Hearth and Home Technologies Quadra-Fire 21M-ACC-C has the larger firebox (1.48 vs 0.81 cu ft), which generally means longer burns between reloads.

Hearth and Home Technologies Quadra-Fire 21M-ACC-C Pacific Energy Fireplace Products Limited True North TN10
Appliance type wood-stove wood-stove
Combustion technology Non-Catalytic Stove Non-Catalytic Stove
Certified fuel Crib Wood Crib Wood
Emission rate 1.7 g/hr 1.4 g/hr
Efficiency (HHV) 76 % 73 %
Heat output (low) 13585 BTU/h 13084 BTU/h
Heat output (high) 29322 BTU/h 17623 BTU/h
Firebox volume 1.48 cu ft 0.81 cu ft
Carbon monoxide 1.5 g/min 0.77 g/min
25C tax credit eligible (≥75% HHV) Yes No
2020 NSPS compliant Yes Yes
Currently in production Yes Yes
EPA certification number 250-20 69-16
Covered model numbers Quadra-Fire 21M-ACC-C, Discovery-1-C, FF-WP-100 True North TN10

Frequently asked questions

Which burns cleaner, the Hearth and Home Technologies Quadra-Fire 21M-ACC-C or the Pacific Energy Fireplace Products Limited True North TN10?

The Pacific Energy Fireplace Products Limited True North TN10: 1.4 g/hr certified particulate emissions versus 1.7 g/hr for the Hearth and Home Technologies Quadra-Fire 21M-ACC-C.

Are the Hearth and Home Technologies Quadra-Fire 21M-ACC-C and Pacific Energy Fireplace Products Limited True North TN10 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.