Hearthstone Green Mountain 70 Wood Insert

Green Mountain 70

Model 8450



Meets 2020 EPA Clean Air Standards:
Clean burning and efficient

Cast Iron Faceplate and Door:
Unequaled durability and style, optional brown majolica enamel finish

Durable Construction:
Full cast iron construction with 1¼” soapstone lining offers lasting heat and a lifetime of trouble free service

Thermostat Controlled Fans:
Turn on and off automatically

Single Lever Air Control:
Easy operation, efficient performance



Blower: Included
BTU: Up to 70,000
Efficiency: 69% HHV
EPA Certified: 1.54 g/hr
Finish: Brown Enamel, Matte Black
Firebox Capacity: 2.4 cu ft
Flue Exit Diameter: 6
Flue Exit Location: Top
HeatLife: 10 Hours of heat
Heats up to: 2,000 sq ft
Maximum Log Length: 20″
Stove Type: Wood Fireplace Insert


Steel Surround: 94-5950110
Surround Lower Panel: 94-5950519
Surround Extension: 94-5950010
Outside Air Adapter Kit: 94-53500
Fire Screen Insert: 94-59500
Linear Hook-Up Collar: 94-67500


To combustible mantel from bottom of insert: 50”

To side trim from side of insert body: 9”

To side wall from side of insert body: 16”


Owners Manual

Spec Sheet