Hearthstone Green Mountain 90 Wood Insert

Hearthstone Green Mountain 90 Wood Insert


Clean burning and efficient, with it’s flush cast iron faceplate and door the GMi90 is a beautiful choice from any home. the GMi90 can be order in either Matte Black or Brown Majolica Enamel finish. Durable cast iron and steel construction with a 1¼” soapstone lined firebox. The Soapstone lining offers lasting heat and a lifetime of trouble free service. Standard thermostat controlled fans turn on and off automatically with the heat of the fire and with a single lever air control the GMi90 is easy and efficient to operation. The GMi90 non-catalytic wood insert is easy to use. A single lever air control let’s you burn hot and fast or low and slow to keep warm through the night.

More information coming soon.


HHV Efficiency: 68%
HeatLife: 9 hours
EPA Certified: 1.14g/hr
Heats up to 2,200 sq ft
Firebox Capacity: 2.5 cu ft
BTUs: Up to 80,000
Maximum Log Length: 20″
Flue Exit & Diameter: Top – 6″
Convection Blower: Included

Minimum existing masonry fireplace opening:
31 3/4″ W x 27 1/8″ H x 22 1/8″ D


Owners Manual