Award Winning Landscape Design & Build
G SERIES
Introducing our latest HeatMaster outdoor wood boiler that will revolutionize the way you heat your home.
Through the power of gasification, and using wood already available to you, this is the best alternative heating method to eliminate your heating bill while providing long lasting heat.
Through meticulous research and stringent quality control procedures, we consistently hold the highest efficiency rating burning in real world conditions in the industry.
G4000
The G4000 is a great option for heating most family homes along with a garage or another small secondary outbuilding.
- Approx. Heating Space* 4,000sq. ft.
- 8 Hour Burn Rate 68,025 BTU/hr**
- Water Capacity (US Gallons) 116 gallons
- Firebox Volume 8.5 ft3
- Recommended Wood Length 18-20″
- Firebox Dimensions (L” x W” x H”) 23″ x 22″ x 29″
- Firebox Door 20″ x 20″
- Weight 1,448 lbs
- Outlets 1 set of 1” and 1 set 1.5″
- Chimney Size 6”
- Dimensions*** (L” x W” x H”) 59″ x 42″ x 81″
*Well-insulated building.
**BTU’s are approximate and will vary depending on fuel quality.
*** Height of the furnace is to the top of the lift hook
G7000
The G7000 is often used by families that heat large homes and secondary outbuildings, such as barns or shops.
- Approx. Heating Space* 7,000 sq. ft.
- 8 Hour Burn Rate 129,866 BTU/hr**
- Water Capacity (US Gallons) 234 gallons
- Firebox Volume 16.5 ft3
- Recommended Wood Length 20-24″
- Firebox Dimensions (L” x W” x H”) 29″ x 29″ x 33.5″
- Firebox Door 20″ x 20″
- Weight 2,035 lbs
- Outlets 1 sets of 1” and 1 set 1.5″
- Chimney Size 6”
- Dimensions*** (L” x W” x H”) 69″ x 50″ x 84.5″

*Well-insulated building.
**BTU’s are approximate and will vary depending on fuel quality.
*** Height of the furnace is to the top of the lift hook
G10000
The G10000 gives families a lot of flexibility with their heating needs. Whether you’re heating multiple homes or a large commercial space, the G10000 is a great option.
- Approx. Heating Space* 10,000 sq. ft.
- 8 Hour Burn Rate 194,946 BTU/hr**
- Water Capacity (US Gallons) 274 gallons
- Firebox Volume 23.6 ft6
- Recommended Wood Length 20-24″
- Firebox Dimensions (L” x W” x H”) 42″ x 29″ x 33.5″
- Firebox Door 20″ x 20″
- Weight 2,564 lbs
- Outlets 2 pairs 1.5″
- Chimney Size 6”
- Dimensions*** (L” x W” x H”) 81″ x 50″ x 84.5″
*Well-insulated building.
**BTU’s are approximate and will vary depending on fuel quality.
*** Height of the furnace is to the top of the lift hook
C SERIES
Introducing our Conventional Style Furnace, where simplicity meets reliability.
With its versatile design and robust construction, this furnace offers hassle-free operation and simple maintenance.
Enjoy energy independence through fuel flexibility, and straightforward controls.
C150
Small but mighty, the C150 outdoor coal furnace incorporates all the workmanship and quality of a Heatmasterss furnace in a compact package while still heating a comfortably sized building.
- Approx. Heating Space* 3,000 sq. ft.
- Maximum BTU’s** 150,000/hr
- Water Capacity (US Gallons) 60 gallons
- Weight 950 lbs
- Outlets 1 set of 1” feed and return
- Chimney Size 6”
- Firebox (L” x W” x H”) 28 x 24 x 32
- Firebox Door (L” x W” x H”) 16 x 18
- Dimensions*** (L” x W” x H”) 52 x 36 x 78
*Well-insulated building. **BTU’s are approximate and will vary depending on fuel quality. *** Height of the furnace is to the top of the lift hook
C250
The C250 has that bit of extra capacity for larger homes or out buildings coupled with all the design, efficiency and quality that Heatmasterss customers have come to expect.
- Approx. Heating Space* 5,000sq. ft.
- Maximum BTU’s** 250,000/hr
- Water Capacity (US Gallons) 125 gallons
- Outlets 2 sets of 1” feeds and returns
- Weight 1,300 lbs
- Chimney Size 6″
- Firebox (L” x W” x H”) 34 x 31 x 38
- Firebox Door (L” x W” x H”) 20 x 20
- Dimensions*** (L” x W” x H”) 56 x 49 x 84

*Well-insulated building. **BTU’s are approximate and will vary depending on fuel quality. *** Height of the furnace is to the top of the lift hook
C375
Our C375 furnace is a comfortable fit for adding a shop or shed with it’s 7,000 square foot heating capacity. A very flexible solution.
- Approx. Heating Space* 7,500sq. ft.
- Maximum BTU’s** 375,000/hr
- Water Capacity (US Gallons) 180 gallons
- Weight 1,700 lbs
- Chimney Size 6”
- Outlets 2 sets of 1-1.5” feeds and returns
- Firebox (L” x W” x H”) 46 x 34 x 40
- Firebox Door (L” x W” x H”) 24 x 24
- Dimensions*** (L” x W” x H”) 69 x 49 x 89
*Well-insulated building. **BTU’s are approximate and will vary depending on fuel quality. *** Height of the furnace is to the top of the lift hook
C500
The large capacity of the C500 makes it ideal for heavy duty heating. Make the most of your coal supply with this powerful unit.
- Approx. Heating Space* 10,000 sq. ft.
- Maximum BTU’s* 500,000/hr
- Water Capacity (US Gallons) 230 gallons
- Weight (lbs) 2,000
- Outlets 2 sets of 1.5” feeds and returns
- Chimney Size 8″
- Firebox (L” x W” x H”) 56 x 34 x 42
- Firebox Door (L” x W” x H”) 24 x 24
- Dimensions*** (L” x W” x H”) 81 x 51 x 93
*Well-insulated building. **BTU’s are approximate and will vary depending on fuel quality. *** Height of the furnace is to the top of the lift hook
C800
The largest unit we make is ready for anything. Four sets of feeds on the back make it a natural to heat multiple structures with ease.
- Approx. Heating Space* 20,000sq. ft.
- Maximum BTU’s** 800,000/hr
- Water Capacity (US Gallons) 555 gallons
- Weight (lbs) 4,000
- Outlets 4 sets of 1.5” feeds and returns
- Chimney Size 10”
- Firebox (L” x W” x H”) 60 x 52 x 52
- Firebox Door (L” x W” x H”) 42 x 30
- Dimensions*** (L” x W” x H”) 98 x 82 x 100
*Well-insulated building. **BTU’s are approximate and will vary depending on fuel quality. *** Height of the furnace is to the top of the lift hook
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