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Blaze King

Apex CBT.

Hybrid Wood Furnace

Brochure         Manual

The Apex is an independent wood furnace or can be added to an existing gas, oil or electric furnace system. The Apex is the world’s first hybrid wood furnace and the first to meet or exceed the new B415 test standard. In this system we combine a high efficiency secondary burn system with a catalytic combustor. This dramatically increases the efficiency of the furnace and reduces the emissions to the lowest levels possible. The 5.7 cu. ft. cast iron lined firebox is capable of holding up to 120 lbs. of wood. That translates to just under 1,000,000 Btu’s of available wood energy. This large firebox and the super-efficient burning process allows the Apex to heat from 800 to 1,400 sq. ft. home for up to 14 hours. You can dramatically reduce your heating costs when you install an Apex furnace as it is the most efficient wood furnace available with an efficiency of 90.7% (87.2% HHV B415).


Performance (LHV) Performance (HHV B415)
Maximum heat input 928,084 BTU's 928,084 BTU's
Efficiency 90.7% 87.2%
Constant Heat output on High 60,127 BTU's/h for 12 hours 57,806 BTU's/h for 12 hours
Constant Heat output on Low 18,706 BTU's/h for up to 40 hours 17,984 BTU's/h for up to 40 hours
Average cycling heat output 52,000 BTU's for 20 Hours 50,000 BTU's for 20 hours

Square Feet Heated 800 - 1400
Maximum Log Size 26"
Burn Time Up to 45 hours on low
CSAB415.1 tested emissions 3.3 gr/hr
Firebox Size 5.7 cu. ft.
Unit Dimensions

Width 26.5”/673mm
Height 40”/1016mm
Depth 48”/1219mm
Weight 550lbs./253kg
Flue Diameter 7”