Chaska 25 – Insert

Kozy Heat










Chaska 25 Gas Insert

High Performing, Compact Gas Fireplace Insert
If you need a gas fireplace insert that will provide plenty of warmth without dominating your living space, the Chaska 25 could be just what you’re looking for


Viewing Area: 21-7/8″ x 12″
26,000 BTU/hr Input – NG
25,500 BTU/hr Input – LP
Electronic Ignition Pilot System
Ceramic Glass
Remote Control (full function),
Fan Kit
Refractory Brick Lining Upper Hood & Lower Grill
Co-Linear Air Duct – Accepts 3″ Combustion Air / 3″ Exhaust
Innovative vent connection system
Patented Log Design
Engineer-designed burner system
Minnesota Energy Code Compliant to 50 pascals
Certified to ANSI Z21.88 Vented Gas Heater


– ENERGUIDE P.4 NG/LP | 71.44% / 72.08%
– Steady State NG/LP | 77.58% / 78.17%
– AFUE % NG/LP | 69.79% / 70.33%
Efficiencies Glossary:
– P.4 Efficiency (ENERGUIDE) is an efficiency rating more recognized in Canada to measure annual fireplace efficiency.
– Steady State Efficiency is a measure of how efficiently your fireplace converts fuel to heat once it is warmed up and operating at a steady temperature.
РAnnual Fuel Utilization Efficiency (AFUE) is a measurement of the fireplace’s ability to convert fuel to heat over a longer period of time including the cycling on and off time period.

Required Design Features

Screen Front

For options and pictures, look at the Chaska brochure under the Resources tab.

Optional Features

1 piece Shroud
Standard or Custom sizes


Product Manual

Product Brochure