Pacific Energy Fireplace Products Limited Summit LE vs Stove Builder International 1.4 Series (Osburn 950

Both stoves carry the same certified emission rate: 1.8 g/hr. They tie on efficiency at 74% HHV. The Pacific Energy Fireplace Products Limited Summit LE produces more peak heat (41,275 vs 26,500 BTU/h), suiting roughly 1,200–1,650 sq ft. The Pacific Energy Fireplace Products Limited Summit LE has the larger firebox (2.5 vs 1.55 cu ft), which generally means longer burns between reloads.

Pacific Energy Fireplace Products Limited Summit LE Stove Builder International 1.4 Series (Osburn 950
Appliance type wood-stove wood-stove
Combustion technology Non-Catalytic Stove Non-Catalytic Stove
Certified fuel Crib Wood Cord Wood
Emission rate 1.8 g/hr 1.8 g/hr
Efficiency (HHV) 74 % 74 %
Heat output (low) 16102 BTU/h 12100 BTU/h
Heat output (high) 41275 BTU/h 26500 BTU/h
Firebox volume 2.5 cu ft 1.55 cu ft
Carbon monoxide 0.02 g/min 1.2 g/min
25C tax credit eligible (≥75% HHV) No No
2020 NSPS compliant Yes Yes
Currently in production Yes Yes
EPA certification number 104-17 289-21
Covered model numbers Summit LE, Summit Classic LE, Alderlea T6 LE, Summit Insert LE 1.4 Series (Osburn 950, Escape 1200, Gateway 1400, Solution 1.4, Spark II, Fox, Déco Nano, S250, Harmony 1.4, HES140, Blue Ridge 100)

Frequently asked questions

Which burns cleaner, the Pacific Energy Fireplace Products Limited Summit LE or the Stove Builder International 1.4 Series (Osburn 950?

They are tied: both are certified at 1.8 g/hr of particulates.

Are the Pacific Energy Fireplace Products Limited Summit LE and Stove Builder International 1.4 Series (Osburn 950 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.