The Hearthstone Green Mountain 90i is a large flush insert that perfectly combines stylish cast iron with our signature soapstone lining. Available in both a Matte Black Paint, as well as a Brown Enamel finish, the Green Mountain 90i is sure to look great in your home! The 2.25 cubic foot firebox is lined with soapstone that will retain maximum heat and radiate steady warmth as the fuel burns. The GMi90 is a non-catalytic insert, which means it is easy to use and can be controlled with a singular lever that lets you control how hot or cold you want to burn your fire.
| BTU/Hr Input | Up to 80,000 BTU/Hr |
|---|---|
| Heating Capacity | Up to 2,200 BTU/Hr |
| Efficiency | 64% HHV, 68% LHV |
| Emissions | 1.14 g/hr |
| Burn Time | Up to 8 Hours HeatLife |
| Log Length | Maximum 20" |
| Firebox Size | 2.5 cu. ft. |
| Firebox Construction | Steel w/ Soapstone |
| Clean Burn Technology | Non-Catalytic |
| Fan/Blower | Included |
| Flue Size | 6" |
| Distance to Flue from Surround | 14-4/5" |
| Surround Sizes | Cast Iron Face: 28-3/4" H x 38-1/2" W | Optional Steel Surround: 34-1/2" H x 50" W |
| Min. Fireplace Dimensions | 27-1/8" H x 31-3/4" W x 22-1/8" D |
| Unit Dimensions | 28-3/4" H x 38-1/2" W x 24-7/8" D |
| Unit Weight | 440 lbs. |
| Unique Features | Large firebox lined with soapstone to retain maximum heat. |
| Notes | All specifications per the Manufacturer. Heating capacity and output are to be used as a guide only and cannot be accurately compared across manufacturers. Please visit our showroom to for help determining the best product for you. |
The Hearthstone Green Mountain 90i is a large flush insert that perfectly combines stylish cast iron with our signature soapstone lining. Available in both a Matte Black Paint, as well as a Brown Enamel finish, the Green Mountain 90i is sure to look great in your home! The 2.25 cubic foot firebox is lined with soapstone that will retain maximum heat and radiate steady warmth as the fuel burns. The GM90i is a non-catalytic insert, which means it is easy to use and can be controlled with a singular lever that lets you control how hot or cold you want to burn your fire.