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Hearthstone Green Mountain 40 Wood Stove

SKU 8640-0010
Original price $4,272.00 - Original price $4,272.00
Original price
$4,272.00 - $4,272.00
Current price $4,272.00

Warm your living area with a clean, efficient, long-lasting fire in a clean-traditional Green Mountain wood stove.


  • Clean Traditional Cast Iron: Our GM40 wood stove is styled with clean lines and offered in traditional black cast iron. Built for the wood stove purist.
  • TruHybrid Reliability: Our Green Mountain stoves exceed EPA clean burning standards. You can be sure they will burn clean today and for many years to come.
  • Soapstone Firebox Lining: The GM40 is lined with soapstone blocks. Soapstone absorbs the heat of the fire to give you long-lasting comfortable heat.
  • Ultra Clean Combustion Systems: All of our wood stoves exceed 2020 EPA standards so you can be sure they burn clean today and for many years to come.
  • Our Materials: Each HearthStone is handcrafted using a combination of precision-made components in cast iron, soapstone, steel, ceramic, and various other materials. Our commitment to quality and attention to detail ensures that your product will serve you faithfully for years to come.
  • Available in Matte Black


HHV Efficiency: 79%
HeatLife: 16 Hours
EPA Certified: 1.07 g/hr
Heats up to: 1,400 sq ft
Firebox Capacity: 1.32 cu ft
Maximum BTU: up to 40,000
Maximum Log Length: 16"
Flue Exit & Dismeter: Top - 6"


Height: 30 3/8"
Width: 23 1/4"
Depth: 16 3/8"
Weight: 350 lbs


Owner's Manual: Link
Spec Sheet: Link