Our Products
G Series
The Ultra-Efficient Wood Burning Outdoor Furnace
G4000
Approx. Heating Space: 4,000 sq ft
8-hr Burn Rate: 68,025 BTU/hr
Water Capacity: 116 gallons
Firebox (L x W x H): 23” x 22” x 29”
Firebox Door: 20” x 20”
Weight: 1,448 lbs
Outlets: 1 Set 1 1 set 1.5”
Power Supply: 120V 1PH 60 HZ
Running Load: 2.5 Amps
Chimney Size: 6”
Dimensions (L x W x H): 59” x 42” x 81”
G7000
Approx. Heating Space: 7,000 sq ft
8-hr Burn Rate: 129,866 BTU/hr
Water Capacity: 234 gallons
Firebox (L x W x H): 29” x 29” x 33.5”
Firebox Door: 20” x 20”
Weight: 2,035 lbs
Outlets: 1 set 1”, 1 set 1.5”
Power Supply: 120V 1PH 60 HZ
Running Load: 2.5 Amps
Chimney Size: 6"
Dimensions (L x W x H): 69” x 50” x 84.5”
G10000
Approx. Heating Space: 10,000 sq ft
8-hr Burn Rate: 194,946 BTU/hr
Water Capacity: 274 gallons
Firebox (L x W x H): 42” x 29” x 33.5”
Firebox Door: 20” x 20”
Weight: 2,564 lbs
Outlets: 2 sets 1.5”
Power Supply: 120V 1PH 60 HZ
Running Load: 2.5 Amps
Chimney Size: 6"
Dimensions (L x W x H): 81” x 50 x 84.5”
P series
The Automated Pellet Burning Outdoor Furnace, Designed for Easy Rural Living
P4000
Approx. Heating Space: 4,000 sq ft
Max Heat Output: 150,000 BTU/hr
Water Capacity (US gallons): 87 gallons
Bin Hopper Capacity: 240 lbs
Weight: 1200 lbs
Outlets: 1 set 1”, 1 set 1.5”
Power Supply: 120-V 1PH 60 HZ
Running Load: 2.5 Amps
Chimney Size: 6”
Dimensions (L x W x H): 42” x 67” x 83”
P7000
Approx. Heating Space: 7,000 sq ft
Max Heat Output: 250,000 BTU/hr
Water Capacity (US gallons): 125 gallons
Bin Hopper Capacity: 320 lbs
Weight: 1600 lbs
Outlets: 1 set 1”, 1 set 1.5”
Power Supply: 120V 1PH 60 HZ
Running Load: 2.5 Amps
Chimney Size: 6”
Dimensions (L x W x H): 49” x 67” x 83”
C Series
The High Efficiency Coal Burning Furnace
C150
Approx. Heating Space: 3,000sq
Max. BTU’s: 150,000/hr
Water Capacity (US gallons): 60
Firebox (L x W x H): 28 x 24 x 32
Firebox Door (L x H): 16 x 18
Weight (lbs): 950
Outlets: 1 set of 1” feed and return
Chimney Size: 6”
Dimensions: 52 x 36 x 78
C250
Approx. Heating Space: 5,000sq
Max. BTU’s: 250,000/hr
Water Capacity (US gallons): 125
Firebox (L x W x H): 34 x 31 x 38
Firebox Door (L x H): 20 x 20
Weight (lbs): 1,300
Outlets: 2 sets of 1” feeds and returns
Chimney Size: 6”
Dimensions: 56 x 49 x 84
C375
Approx. Heating Space: 7,500sq
Max. BTU’s: 375,000/hr
Water Capacity (US gallons): 180
Firebox (L x W x H): 46 x 34 x 40
Firebox Door (L x H): 24 x 24
Weight (lbs): 1,700
Outlets: 2 sets of 1” feeds and returns
Chimney Size: 6”
Dimensions: 69 x 49 x 89
C500
Approx. Heating Space: 10,000sq
Max. BTU’s: 500,000/hr
Water Capacity (US gallons): 230
Firebox (L x W x H): 56 x 34 x 42
Firebox Door (L x H): 24 x 24
Weight (lbs): 2,000
Outlets: 2 sets of 1.5” feeds and returns
Chimney Size: 8”
Dimensions: 81 x 51 x 93
C800
Approx. Heating Space: 20,000sqMax. BTU’s: 800,000/hr
Water Capacity (US gallons): 555
Firebox (L x W x H): 60 x 52 x 52
Firebox Door (L x H): 42 x 30
Weight (lbs): 4,000
Outlets: 4 sets of 1.5” feeds and returns
Chimney Size: 10”
Dimensions: 98 x 82 x 100
Heatmaster Furnaces
Why Choose HeatMaster?
HeatMaster makes North America's toughest wood, coal, and biomass furnaces. A warm home, shop, pool, and unlimited domestic water starts with HeatMaster.