Features
TruHybrid™ System
Our TruHybrid™ system burns so cleanly and efficiently, your chimney smoke is barely visible.
Soapstone Comfort
Enjoy long-lasting comfortable heat thanks to the soapstone-lined firebox. Soapstone absorbs the heat of the fire for hours of cozy comfort.
Clean-lined Cast Iron
More than just a black box, the GM20 is designed in cast iron with a clean, modern style that compliments both traditional and contemporary homes.
The Most Efficient
Clean Combustion, High Efficiency
HearthStone is the leader in wood burning technology.
The TruHybrid™ system combines primary and secondary combustion with a tertiary combustion using a catalyst to achieve ultra clean combustion that surpasses 2020 EPA clean air standards. ALL of our wood stoves use a fully adjustable system that allows you to burn high and hot, or low and slow to suit your heating needs while maintaining efficiency.


















