Kozy Heat – Z42

The Z42 consists of applied modern technology and design to create a zero clearance fireplace to heat your home safely and efficiently. It is a wood-burning fireplace activated by lighting fuel and tinder inside a closed off area.

Like its gas-burning counterparts, we have designed the Z42 to operate at the highest level of efficiency. This fireplace unit has a 49,133 BTUs BTU/hr input rate. A 73% efficiency rating, it also burns efficiently enough to heat your home as quickly as a gas fireplace. While it cannot be connected to your thermostat, a wood stove will burn at a temperature hot enough to spread heat throughout your space.

As a zero clearance model, the Z42 can be safely lit in a closed space with a fire kit, tinder, and up to 22″ long logs for fuel.


Standard Features

NSPS Phase 2 Certified
49,133 Btu/hr (Peak Btu/hour Output) (cordwood)
LHV: 70.6%/HHV: 66%
High-Quality Pyro-Ceram Glass
Speed Control with Receptacle Assembly
Air-Wash System
Large Firebox Area: Fits up to 22″ logs
Air-Seal 10 gauge Steel Door/Cast Doors

Approved with all 6″ UL 103 HT Metal Insulated Chimney
Zero Clearance
(2) Heat Duct knock-outs for optional ducting

20 year limited warranty


Height 38”
Width 42”
Depth 26”
Firebox 2.98 cu. ft.

525 lbs.

Fuel door to an adjacent sidewall: 8”
Unit front: 36”
Top of fireplace to an 8” mantel: 12”
Remote outlet air gril to ceiling: 2”

Optional Features:
Grills: Black, Mission Design, Prairie Design
Fan Kit
6″ Flexible Heat Duct Kit (#970 kit required)

Serving your fireplace & wood heating needs in Georgia & Alabama since 1975