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HeatMasterSS G4000 Outdoor Wood Boiler

HeatMasterSS G4000 Outdoor Wood Boiler

Photo Credit: HeatMaster SS 

Eliminate rising energy costs with this efficient wood-burning outdoor boiler. 

By: Nevan Hagarty 

With constantly rising energy costs, it can be expensive to heat different types of farm buildings and homes. If this situation sounds all too familiar, maybe it’s time to consider investing in cheap and sustainable alternative fuel sources - such as a HeatMaster Wood Burning Boiler.  

Having been in business for over 30 years, the HeatMaster G-series furnaces are more than capable of providing heat for homes, shops, and other farm applications. Featuring industry-best real-world efficiency, easy burner access, and long-lasting heat, the HeatMaster wood burning boiler can eliminate your heating bill and only requires access to a readily available material on farms – wood! 

With a large capacity firebox, the G series can heat much more area and last longer between furnace loading, and hands-free wireless monitoring allows you to keep track of your heating output. 

Specifications (G4000 Residential Model): 

  • Approx. Heating Space: 4,000 sq. Ft. 
  • 8 Hour Burn Rate: 68,025 BTU/hr (dependent on fuel quality) 
  • Water Capacity: 116 Gallons 
  • Firebox Dimensions: 23” x 22” x 29” 

A very unique aspect of HeatMaster furnaces is the patent-pending Tornado Combustion Chamber which collects hot air in a spiral to facilitate a more complete combustion reaction. This ensures higher operating efficiency and reduced fuel consumption. Gasification boilers such as this use up to 50% less fuel than conventional wood boilers. 

Safety is a large consideration when selecting a wood burning furnace and the HeatMaster range comes with exceptional quality control, spray foam insulation, durable construction, and great customer service.  

High quality, sustainability, and efficiency is what you can come to expect with the HeatMaster G-series Wood Burning Boilers – a great solution to rising energy costs. 




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