Biomass Furnaces

Efficient and Clean Burning

Triple Green Energy biomass furnace systems are efficient and clean burning, exceeding requirements for proper filtration systems. We have three models including our own TGC brand in addition to Triple Green Flame and Green Air Heat which are manufactured by SCW Manufacturing, for whom we are the exclusive North American distributor. Filtration systems ensure particulates and ash meet local emission standards. Triple Green Energy systems are automated and made to suit the tech savvy world, having the option to be operated and monitored via smartphone or tablet.

We offer 3 distinct sustainable energy commercial heating systems:

The SCW TGF Blue Flame chain grate series with 120+ installations and available in 3 models – steam boiler, water boiler, or air heat and available in a range of sizes from 1 million BTU to 20 million BTU

The TGE series 2 stage close-coupled gasifier / after burner designed to deal with silica containing fuels including straw and wetlands biomass. Vertical self cleaning high efficiency water boiler. Available in a range of sizes from 3 million BTU to 6 million BTU

The TGC series cast grate stoker available with water boiler or air heat in a range of sizes from 200,000 BTU to 1 million BTU

Triple Green Flame

Triple Green Flame Stoker is a world class combustion system engineered and manufactured in Canada by SCW Manufacturing. Our system has a unique ability to combust a variety of solid fuels to generate hot water or steam, while maintaining low emissions and high efficiency.

Our solid fuel combustion equipment has serviced customers for over 20 years with products installed in many states and provinces throughout North America. With over 120 installations, our experience with reliable use of biomass fuels is extensive, and we continue to be the experts in biomass heat technology.


  • World class combustion systems made in Canada and distributed by TripleGreenEnergy
  • Replace fossil fuels with readily available biomass fuels
  • Size ranging from 1,000,000 to 20,000,000 BTU
  • Hot water or forced air units
  • Over 120 successful installations in North America
  • Save 50-80% on heating costs
  • Fully automated with low maintenance


  • Highly efficient, produce little smoke, and emit very low levels of particulate matter emissions
  • Save money by replacing high price fossil fuels with low cost alternative fuel
  • Proven on variety of biomass materials such as straws, wood pellets, wood chips, sun flower hulls, oat hulls, turkey litter, flax shive, etc.
  • Use stand alone or integrate with an existing central heating system to provide space heating and process hot water or steam

Green Air Heat

Green Air Heat is a forced air biomass heating system that utilizes natural resources to create heat. This results in drier air, healthier poultry and increased profits for producers. Furnaces range in size from 100,000 – 4,000,000 BTU fully automated systems with auto ash removal. The refractory lined fire chamber can burn multiple biomass fuels with 50% fuel moisture including poultry litter, wood chips, shavings, screenings and agricultural waste, etc.

Lancaster Farming Uses Blue Flame Stoker (Now known as Triple Green Flame)

Because of the high cost of petroleum-based fuels and the future shortage of fossil fuels, alternate fuel sources continue to be investigated. We know about corn ethanol, solar and wind energy, and have heard about biomass and other terms. But, have you heard about energy produced from poultry litter?

Central Heating Systems

District heating systems can provide space heating and domestic hot water for large office buildings, schools, colleges, hotels, hospitals, apartment complexes and other municipal and institutional buildings. The system can also heat neighborhoods. Pictures

Greenhouse Projects

One of the largest costs of operation is heating. Triple Green Flame Stoker has developed some of the industry’s best design solutions to lower heating costs. Our design team can assist you in determining which system is right for your greenhouse operation and budget. Pictures

Industrial Projects

The use of biomass (primarily wood chips, wood pellets, MSW or agricultural residue) for Industrial application is becoming very popular. Primarily it is used to replace fossil fuels with the use of biomass. Many companies across Canada and the USA have chosen to embrace Triple Green Flame Stoker™ technology to lower their operating costs and reduce their impact on the environment. 

School Projects

This project was set out to demonstrate the viability of linking up the central hot water biomass boiler system with number of existing buildings in the centre of a college. The system design called for the construction of a central biomass boiler plant in a carefully selected location, chosen for good access for biomass fuel deliveries, while minimizing the costs of hot water piping distribution. Read the story of Providence College from the Winnipeg Free Press here

Agricultural Projects

The agricultural heating system is primarily used as a central system dedicated to the generation and distribution of heat to multiple agricultural buildings and grain drying applications. The use of coal or biomass (primarily wood chips, wood pellets, MSW or agricultural residue) for agricultural heating applications has increased significantly since the first systems came into operation.

Triple Green Energy

We have 3 distinct sustainable energy commercial heating systems (hot water boilers) including the TGF, TGE and DGE series.


TGE (Triple Green Energy) heating system is an updraft, atmospheric pressure close coupled 2-stage pyrolysis/gasification system. The after-burner meets Ontario Ministry of the Environment’s requirements for commercial biomass furnaces: We build the system to meet individual energy requirements utilizing any biomass as fuel including silica containing straw and wetland grasses and reeds.

TGE systems are available in 3 different sizes:

  • TGE1000 is a one million btu/hr compact economical system designed to heat a small greenhouse or up to 20 homes
  • TGE3000 is a three million btu/hr thermal conversion system designed to heat a 20,000 sq ft greenhouse or up to 60 homes
  • TGE6000 is a six million btu/hr thermal conversion system designed to heat a VERY large greenhouse or up to 120 homes


DGE (Double Green Energy) systems are designed to burn wood biomass including wood chips and pellets.

  • DGE200 click to see the video of our 200,000 btu/hr compact chain-grate stoker system designed to heat a shop or small greenhouse or up to 4 homes
  • DGE500 coming soon! 500,000 btu/hr compact chain-grate system designed to heat a shop or greenhouse or up to 10 homes
  • DGE1000 coming soon! 1,000,000 btu/hr compact chain-grate system designed to heat a shop or greenhouse or up to 20 homes
  • DGE3500 here now! 3,500,000 btu/hr compact rotary-grate system designed to heat a large shop or greenhouse or up to 70 homes

TGE Series Main System Components

  • Bale magazine (baled straw conveying system to automatically support gasifier with fuel)
  • Straw disintegration component (straw shredder and shredded fuel conveyor system)
  • Primary combustion chamber (includes the ash removal system, grate system and air distribution system)
  • Secondary combustion chamber (includes the silicone/potassium removal tray)
  • Hot water heat exchanger (includes automatic cleaning system and clean-out removal tray)
  • Exhaust system (the main blower controls air flow and exhausts clean vapour)
  • Main computerized control system (combines all necessary electrical devices to control each function with limited supervision)

Design Features:

Fuel Storage

Baled wheat straw can be stored outdoors or indoors. Indoor storage protects the fuel from precipitation (and often from freezing) and can eliminate varying moisture content and decay in the fuel supply.

Received fuel is moved onto the bale magazine by either a front-end loader or a specially designed automated crane system. The bale magazine can be designed to handle any amount of fuel desired. The magazine automatically feeds baled straw into the disintegration machine as fuel is required for processing.

Fuel Disintegration

The fuel processing begins in the shredder where the straw is disintegrated into smaller, manageable particles. Interruptions or delays in reclaiming fuel can occur because of undesirable fuel properties (i.e. poor flow, compaction, frozen chunks, oversized material or contaminants), so fuel preparation is critical to the operation of the entire system.

Fuel Transfer

From the shredder, the particulate fuel is moved by a belt conveyor or auger to the fuel injection system. The fuel injection system feeds the fuel into the primary combustion chamber utilizing a mechanical plunger or twin augers.

The back flow of combustion flames and gases through the fuel entry is controlled by an automated fire door.

Primary Combustion Chamber

The primary combustion chamber is an enclosed area where drying, pyrolysing and oxidizing occurs. The fixed rotating grate supports the fire bed and allows for underfire air to be blown up through the fuel. Effective oxygen supply and control is critical to ensure complete gasification without complete combustion.

Ash collects below the grate and is removed automatically by an auger. In general, ash from biofuel burning is not considered a hazardous waste and can be placed in local landfills. However, most ash is an excellent soil additive and will be of interest to local gardeners and farmers. Proper ash management is critical, as non-combustible inorganic (mineral) content of biomass can become significant, depending on the type of fuel utilized. Inherent ash is generally low in clean wood (0.5%), higher in bark (3.5%) and significant in annual crops such as straw (6.2%), but usually consistent within a fuel type. Ash content is usually expressed on a dry basis, i.e. the weight of ash as a percentage of the total moisture-free fuel weight.

Secondary Combustion Chamber

The hot exhaust gases exit at the top of the primary combustion chamber and pass through a refractory duct into the secondary combustion chamber. Oxygen is added in the refractory duct. As the gases flow from the primary to the secondary chambers, the injection of oxygen ignites the gases, allowing gas combustion to take place in the secondary chamber. The quantity of heat released during the bio-fuel gas combustion is dramatically increased to approximately 2,500 degrees Fahrenheit. Extremely high temperatures are maintained in the combustion chambers by lining the chambers with refractory, which radiates and reflects heat back into the fuel layer. The refractory also protects the walls and base of the chambers from the high temperatures in the combustion zone.

Where agricultural-based straw is the primary bio-fuel, silica and potassium debris settles in the removable tray at the bottom of the secondary combustion chamber. This requires periodic manual clean out.

Heat Exchanger

The extremely hot gases from the secondary chamber flow to the heat exchanger which is a fire-tube boiler. A hydronic system delivers this heat to desired locations and supply precise heat for any public, commercial, residential or agricultural building. Fly ash can be moved by combustion gas flow and can deposit on the heat exchange surfaces in the boiler. This ash is removed regularly to maintain good heat transfer performance. Tube cleaners are in place to automatically clean the boiler tubes and collect the fly ash in the particulate collection system.

Exhaust System

An induced-draft exhaust system completes the combustion process. The induced-draft system uses a large blower located in front of the stack which sucks the exhaust gases out of the boiler and forces them up the stack. The draft of this fan is regulated in relation to the combustion air to maintain a very slight negative pressure in the combustion chambers so that gas flow is continuous and that no combustion gas leaks occur.


Instrumentation is important for efficient operation in response to energy demand and safety. The complete feed and gasification process requires a complex control system using computers and micro-processors to match heat delivery with demand. A key task of the control system is determining the rate at which fuel and air are fed to the primary combustion chamber to ensure gasification, and the rate at which air is fed into the secondary chamber of ensure efficient combustion. Control is achieved when fuel and air are automatically modulated simultaneously to maintain the correct ratio under high or low demand. Start-up and shutdown sequences are programmed, and alarms will sound in upset conditions.

System Requirements

  • Electrical power (3 phase system preferred, single phase possible) lAir requirement (compressor 100-120 PSI, 7-10 CSF)
  • Cold water source (50-70 PSI, 2-4 gallons/minute)
  • Concrete floor and building structure (brick or metal)
  • Shelter (or building structure) to cover the disintegration and conveyor system
  • Ash bin (to contain ashes being removed from the gasifier primary chamber)

System Maintenance

The Triple Green Energy heating system requires little maintenance and management. Tasks such as ash disposal, general cleanup (usually in the fuel storage and handling area), checking heat exchanger water levels, checking the fuel delivery system for oversized material build-up, plus monitoring primary and secondary combustion chamber temperatures, along with stack temperature are done daily. The computer system will signal the operator in upset conditions or for out-of-range readings.

In addition, there are regular maintenance tasks that need to be carried out periodically. These include:

  • replenish depleted fuel supply
  • lubricate mechanical components
  • inspect and adjust chains, gearboxes, blowers, etc.
  • remove silica from secondary chamber
  • remove debris from heat exchange
  • inspect refractory and repair as necessary
  • test safety devices

Most of the routine maintenance can be carried out by the system operator or by the general on-site maintenance staff. It is recommended that the system be inspected by a Triple Green Energy service technician annually.

System Life Expectancy

Triple Green Energy systems can last indefinitely, since the components will be replaced as they wear out or deteriorate. In the forest industry, wood combustion systems have been in operation for over 50 years. In practice, 15 to 20 years is used as a reasonable life expectancy for a biomass combustion system in life-cycle costing.


Dillon Consulting Limited was retained by TripleGreenEnergy to conduct source testing on the gasifier exhaust stack to quantify combustion gas emissions. These tests were conducted on our 3 million btu/hr gasifier operating at the maximum system designed production rate of approximately 500 pounds (227 kg) of straw feed stock per hour.

The following gases were measured from the exhaust gas stream:

  • Oxygen
  • Carbon Monoxide
  • Sulphur Dioxide
  • Oxides of Nitrogen
  • Carbon Dioxide

The following table summarizes the results of the combustion gas concentrations in the TGE3000 gasifier exhaust stream.

Combustion Gas concentrations are the average concentrations from 3 separate test periods.

POI Summary for 24-hr Averaging Period
Contaminant Max POI Concentrations (ug/m3 Property Line/off property Prov. Of Manitoba Ambient Air Quality Objectives Max. acceptable level (ug/m )3
  1-Hour 24-Hour 1-Hour 24-Hour
Particulate Matter 21.1 8.79 N/V 120
Carbon Monoxide 437 182 35,000 15,000
Oxides of Nitrogen 143 59.6 400 200
Sulphur Dioxide 5.27 2.20 900 300
Hydrogen Chloride 16.7 6.94 100 100

“The results of the dispersion model indicate that the emissions of all of the measured parameters from the TGE3000 Gasifier comply with the Ontario and Manitoba regulated Point of Impingement and Ambient Air Quality Criteria Concentrations. The POI concentrations for the remaining combustion gases do not exceed any of the regulated POI limits or AAQC. In general the POI concentrations predicted by the dispersion modeling for all measured pollutants are at least one-half of the regulated levels with no pollution control devices.” – Dillon Final Report, March 2003

Ash Analysis



Independent Lab Analysis

Chicken Manure

The Free Fuel

Wood Chips

To get the same amount of heat contained in a tonne of wood chips, you’d have to buy over $300 of fuel oil or electrical power.

There is an abundance of wood waste in your community. More than the processors know what to do with!

Invite people to deliver their dry wood waste to your facility and charge them a $40 tipping fee. Pay the custom shredder $40 a tonne to shred it and you have FREE fuel to heat your facilities or to generate electrical power.

Post Harvest Waste

To get the same amount of heat contained in a 500 kg straw bale, you’d have to buy over $300 of fuel oil.

Our TripleGreenEnergy biomass thermal conversion system is an atmospheric pressure 2-stage close-coupled heating system that features:

  • Low greenhouse gas emissions
  • Minimal operator intervention
  • Compared to any other fuel, straw is the cheapest and it is totally renewable
  • High Efficiency

When a community invests in a district heating system and purchases straw from area farmers, the money stays in the community.

Everyone wins!

  • Biomass Fuel is more cost effective than fossil fuel.
  • Biomass Fuel is a renewable resource.
  • Biomass Fuel is CO2 neutral.
  • Biomass Fuel efficiently transports and stores.
  • Fuel heating systems comply with the air emissions standards of the Kyoto Protocol.
  • Biomass Fuel heating appliances provide cost effective residential, commercial, industrial and greenhouse space heating applications.
  • Biomass Fuel is not subject to world price fluctuation as is fossil fuel.
  • Biomass Fuel creates 91% less greenhouse gas emissions than fossil fuels.

BioHeat is the most economical, carbon neutral heat resource available today

Energy Source BTU Unit Efficiency Cost/unit Cost per million BTU Woodchip % Savings Annual unit Usage Annual Cost 5yr. Savings / Cost
Oil 36,175 Litre 75% $0.70 $25.80 87% 173,932 $121,753 $228,763
Electric 3,409 Kwh 95% $0.08 $24.70 87% 1,457,134 $116,571 $202,853
Natural Gas 35,513 M3 85% $0.25 $8.28 61% 156,330 $39,083  
Propane 23,595 Litre 95% $0.38 $16.95 81% 200,000 $76,000 $380,000
Coal 28,402,000 Tonne 65% $123 $6.66 51% 256 $31,441  
Wood Chips 15,332,500 Tonne 80% $40 $3.26 0% 385 $15,389 -$303,056
Wheat straw 8,456,710 500 k 85% $20 $2.78 -17% 656 $13,130 -$314,351
Swamp Grass 8,456,710 500 kg 85% $20 $2.78 -17% 656 $13,130 -$314,351
Flax straw 9,455,795 500 k 85% $15 $1.87 -75% 587 $8,807 -$335,965

Cost comparison to propane

please call us for a customized calculation

Energy Source BTU Unit Efficiency Cost/unit Cost per million BTU Woodchip % Savings Annual unit Usage Annual Cost 5yr. Savings
/ Cost
Oil 36,175 Litre 75% $0.70 $25.80 87% 86,966 $60,876 $114,381
Electric 3,409 Kwh 95% $0.08 $24.70 87% 728,567 $58,285 $101,427
Natural Gas 35,513 M3 85% $0.25 $8.28 61% 78,165 $19,541 -$92,293
Propane 23,595 Litre 95% $0.38 $16.95 81% 100,000 $38,000 $190,000
Coal 14,498,570 Tonne 65% $100.00 $10.61 69% 250 $25,037 -$64,815
Wood Chips 15,332,500 Tonne 80% $40.00 $3.26 0% 192 $7,694 -$151,528
Wheat straw 8,456,710 500 k 85% $20.00 $2.78 -17% 328 $6,565 -$157,175
Flax straw 9,455,795 500 k 85% $20.00 $1.87 -75% 294 $4,403 -$167,983


A valued by-product from our TGE Series of BioHeat systems

Along with bags of potting soil, mulch, and compost, you soon may see bags of biochar for sale at your local nursery.
To explain what biochar is, we need to return to the Amazon basin circa 450 a.d. Indigenous people didn’t practice slash-and-burn farming as they do now. They practiced slash-and-char agriculture, roasting wood and leafy greens in “smothered” fires, in which lower temperatures and oxygen levels resulted in the production of charcoal instead of ash. The charcoal was buried in fields where crops were grown.

But then, with the arrival of Europeans and their diseases, the Amazon civilizations, some with cities of more than 100,000 people, collapsed. Slash-and-char agriculture was forgotten, as were the fields of buried charcoal. But they weren’t gone. In the 20th century, huge expanses of black soil were rediscovered, although at first no one knew what they were. Then, in the 1990s, scientists determined that these soils were manmade. They were dubbed terra preta (“dark earth” in Portuguese). And they were extensive. Some estimates put the total acreage covered by the charcoal-enriched soil at twice the size of Great Britain.

Most amazingly, the soils extended up to 6 feet deep in many places. Scientists have theorized that terra preta soils are self-propagating and have grown in depth since they were first made. The charcoal, acting a lot like humus, had been colonized by myriad microbes, fungi, earthworms, and other creatures; these soil organisms produced carbon-based molecules that stuck to the charcoal, gradually increasing the soil’s carbon content. Carbon in decomposing plants, which would otherwise escape into the air as greenhouse gases, was sequestered by the biologically active charcoal in the soil. Scientists theorize that the charcoal was originally laid down in thin layers and that earthworms chewed through the layers and mixed them deeply into the soil.

That is just the beginning of the benefits of this strange soil. It appears that the carbon will be sequestered for a thousand—possibly thousands—of years, unable to contribute to global warming in the form of greenhouse gases. Green charcoal, or biochar made from agricultural residues or renewable biomass, appears to hold the most promise as a carbon sink. Every ton of this biochar in the soil is capable of capturing and holding at least 3 tons of carbon.

Biochar also stimulates mycorrhizal fungi—those fungal symbionts that live on plant roots, scour surrounding soil for hard-to-find phosphorus, and deliver it back to their host plants. According to scientists studying the soils, microbial growth of all kinds is substantially improved. And so is the soil’s ability to hold nutrients until plants need them, then dole them out at the optimum rate for plant health. Crops have been shown to grow 45 percent greater biomass on unfertilized terra preta soil versus poor soil fertilized with chemical fertilizers.

Research on biochar is under way at universities around the world, and agribusiness is beginning to show interest. While biochar could be manufactured by cutting down forests and fields, a more sensible approach would be to utilize the billions of tons of organic waste that now goes into landfills—a perfect raw material for biochar.

Suggested Industries for Biomass Furnaces






Commercial and Industrial

Hogs and Pork

Learn about how our technology can revolutionize your industry