Sawmills · processing plants · large shops and warehouses

Heat and process steam from the waste your plant already makes

Sawdust, bark, shavings and hulls burn on our chain grate stoker. Steam boilers from 50 to 500 BHP. Hot water boilers up to 27 million BTU each. Built in Headingley, Manitoba.

An oat processing plant in Manitoba at dusk in winter, steam rising from its stacks
An oat processing plant in Manitoba. Its process steam comes from its own oat hulls on SCW stokers.
200+biomass systems running in North America
50–500 BHPprocess steam
27M BTUhot water, per boiler
25+ yearsbuilding in Headingley, Manitoba
Why plants switch

Most mills pay twice. Once to haul the waste out, once for gas.

Your waste already has heat in it. Burn it on site and both bills shrink. The gas boiler stays in place as backup.

Today

Waste goes out on trucks

Sawdust, bark or hulls piling up, then a bill to haul them away or a buyer who pays next to nothing.

Gas or propane comes in

A monthly bill for the heat and steam the plant runs on, at whatever the price is that year.

With an SCW system

Waste goes to the boiler house

Augers or a walking floor carry it from your pile or bins to the stoker. It becomes the plant's heat and steam.

Gas stays as backup

Most plants keep the old boiler connected. It covers a shutdown or a peak, and the gas bill drops to what's left.

Your waste against your gas bill

Does your own waste cover your heat?

Put in the waste you make each week and what you burn now. You'll see how much of your heat the waste could carry, and what's left over or short. Rough numbers, good enough to know if a call is worth it.

1. The waste you make

Tonnes a week of each. Leave the rest at 0. Wet waste has less heat in it, so set the moisture if you know it.

2. What you burn now

Add up a year of bills. Twelve months is better than one.

m³

Optional: put a dollar figure on it

$
$/t
0%of the heat you buy now could come from your own waste

Usable heat in your waste0
Heat your fuel bill buys0
0million BTU an hour from your waste, around the clock
0lb an hour of steam, about 0 BHP
0m³ of gas a year it could replace
0tonnes a week left over
0 semi loads of waste a year you no longer haul away
0 semi loads of green chips a year to buy for the rest

Estimates. Waste is burned evenly over 168 hours a week at about 75% boiler efficiency. Your fuel bill is turned into heat with our rules of thumb: 1,000 m³ of natural gas or 1,000 L of oil does about what 4 tonnes of green chips do; 1,000 L of propane about what 3 tonnes do. A semi load is about 30 tonnes. Boilers are sized to your peak, not your average. Send us your bills and a sample and we'll give you real numbers.

How a plant system is built

From your waste pile to your steam header

This is how our plant systems are laid out. Pick how you store your waste and what you need out of it. Tap any part to see what it does.

Your waste is in
You need
Diagram of an SCW biomass plant: waste storage, metering and transfer augers, fuel screw and chain grate stoker under the boiler, ash removal, multi-cyclone, exhaust fan and stack, with steam or hot water going out to the plant. Processcookers, dryers Lumber kilnsor other dryers Buildingsmill, shop, office 1 2 3 4 5 6 7 8 9 10

Swipe sideways to see the whole plant.

Built in our Headingley shop Fuel Flue gas Steam Hot water out Cooler water back
Controls

The same screen at the boiler and on your phone

We build the controls in house, so we know every wire. Your operator sees fan speeds, fuel screw speed, flue oxygen and heat out at a glance.

  • Alarms come to your phone by text
  • With your OK, we can log in and look from Headingley
  • Parts on the shelf in Headingley, and on-site service when you need it

Service and support →

Steam or hot water

Which one does your plant need?

Answer what you can. The answer updates as you go.

Does a process need steam?Cooking, flaking, conditioning, sterilizing, steam kilns, steam coils
Do you already run steam lines?A steam header, traps and condensate return you want to keep
Is it heat for buildings?Mill, shop, warehouse, office, in-floor or unit heaters
Do you dry lumber in kilns?Any kiln, any size
Are the buildings spread out?More than one building to heat from one boiler house
Running in plants and mills now

Two plants that burn their own waste

Two green SCW stokers side by side under the boilers at an oat processing plant in Manitoba
An oat processing plant · Manitoba

High-pressure process steam from the plant's own oat hulls

The hulls used to leave the plant. Now they go from the mill into two bins. We built the screw feed under the bins that meters the hulls out, and augers carry them to two SCW stokers. The plant's process steam comes from its own waste, and natural gas is the backup.

300–500 BHPhigh-pressure steam
Oat hullsthe plant's own waste
Natural gasreplaced
2019–2022installed

See biomass steam boilers →

Two tall hull bins outside the oat plant with the screw feed and augers underneath
The two hull bins. Our screw feed meters hulls out the bottom.
The boiler room at the oat plant with SCW stokers, platforms and the control panel
The boiler room: stokers below, platforms above, SCW control panel in front. Read the oat plant story →
Aerial view of Lebel Sawmill in Quebec with log yards and mill buildings
The SCW biomass boiler set in place in the boiler building at Lebel Sawmill
Lebel Sawmill · Quebec

Mill waste heats the mill

A 10 million BTU SCW hot water system burns the mill's own sawmill waste and heats the mill buildings. Installed in 2026. We'll publish the savings after its first full winter.

"We have a lot of wood waste. Now it heats our buildings instead of sitting in a pile."Lebel Sawmill, Quebec
10M BTUSawmill wasteHot water2026

Read the Lebel story →   All projects →

Usually a good fit

  • You make sawdust, bark, shavings, hulls or chips every week
  • You need heat or steam most of the year
  • A big natural gas or propane bill
  • Room for fuel storage and augers to a boiler house
  • People on site every day

Talk to us first

  • Your waste comes only now and then
  • Waste with paint, glue, treatment or plastic in it
  • Heat needed only a few weeks a year
  • No room for a boiler house or fuel storage

Not sure? Send a year of bills and a bag of your waste. We'll tell you straight, even if the answer is no.

Fuel check

What your waste is worth, and what we look for in a sample

Pick your waste. These are typical numbers. Your moisture and mix change them, which is why we ask for a sample.

How to send us a sample

  1. Grab from several spotsTop, middle and bottom of the pile or bin, so it looks like a normal day.
  2. Seal it right awayA heavy plastic bag or a pail with a lid. Open air dries it and throws off the moisture number.
  3. About a pail fullEnough for us to see the size, the fines and any strings or junk.
  4. Label itWhat it is, where in the mill it comes from, and the date you took it.
MoistureThe biggest one. Wet waste burns fine on the chain grate, but it carries less heat per tonne.
Size and finesFine dust and big chunks in the same load. We set up the feed for your mix.
Strings and long piecesBark strings and slabs can bridge in bins and augers. Some need hogging first.
Dirt, rocks and metalYard sweepings bring sand and stones. They add ash and wear.
Glue, paint, treatment, plasticAsk us first. These change emissions and can need a permit.
How much, how steadyTonnes a week, and whether it slows down in a shutdown or a slow season.
For the plant manager or engineer

What to send us, and what you get back

Fill in what you know. It picks up your numbers from the calculator above. Copy it and paste it into the quote form, or have it ready when you call (204) 694-2398.

Your plant on one page

Blanks are fine. We'll ask for the rest.

Get a quote

Also send

  • A year of gas, propane or oil bills
  • A bag or pail of your waste
  • A site plan or aerial photo showing where fuel and a boiler house could go
  • The make and size of your kilns, if you have them

What you get back

  • What your waste is worth as heat or steam
  • Steam or hot water, and the boiler size that fits your peak
  • A fuel handling setup for how your waste is stored and how it flows
  • What your site will likely need for permits and certification
  • A straight answer on whether biomass makes sense for your plant
1Send your numbersBills and how much waste you make.Week 1
2Send a sampleSo we know the moisture and mix.Week 1 to 2
3Sizing and quoteSteam or hot water, boiler size, fuel handling.1 to 2 weeks
4Grants firstIf a program fits, get approval before you order.Before ordering
5Built in our shopFirebox, stoker and controls built and wired in Headingley.1 to 3 months
6Install and start-upOur crew or your contractor with our support. We tune it to your waste and train your people.Depends on the job

About half our systems are sold with a grant or tax credit

Most grant programs need approval before you order. Rules change, so check before you apply.

See grant programs →

Canada, federalClean Technology Investment Tax Credit, up to 30%. Waste biomass heating equipment is now included.
ManitobaGreen Energy Equipment Tax Credit, 15% on biomass equipment used in a business.
QuebecÉcoPerformance can cover up to 75% for industrial sites moving off fossil fuels.
United StatesUSDA REAP for rural small businesses. The system must be running before you apply. Grants up to $500,000.
Questions plants ask

Before you call

Can it burn our waste as it comes?

Most sawmill waste and hulls, yes. The chain grate stoker handles wet, dirty and mixed fuel without jamming, and the ash leaves on its own. Send us a sample and we'll tell you if anything needs screening or hogging first.

What if our waste runs short?

Top it up with bought wood chips. The chain grate burns a mix, so you can blend chips with your own waste. The gas boiler stays as backup for a shutdown.

How does it follow our load?

The fuel screw speeds up or slows down to match what the plant is using, and the fans follow. The controls hold your steam pressure or water temperature. The system modulates with the load.

Do we need a licensed operator for steam?

It depends on the boiler size, the pressure and your province or state. We tell you at quote what your site will need.

What about emissions and permits?

A multi-cyclone catches fly ash before the stack. Permit rules depend on where you are and what you burn. Clean wood waste and hulls are the easy case. Glued, painted or treated waste, or poultry litter, usually needs an air permit. We tell you at quote.

Who runs it day to day?

Your own people. Check the screen and keep fuel coming. The ash bin only needs emptying when the system says it's full. Alarms come by text, and with your OK we can look at it from Headingley.

What happens if the power goes out?

The fans and fuel feed stop and the fire burns down in the firebox. The boiler's safeties take care of the heat that's left. A backup generator for pumps and controls is a good idea. When the power comes back, the system starts up again.

Is it certified?

The boiler is fully certified and the stoker carries the Intertek mark. If your project needs a specific certification, we can meet it.

How long from order to heat?

About 1 to 3 months, depending on size. Install is by our crew or your contractor with our support.

Certified

The marks your engineer will ask for.

CSABoiler vessel
ASMEBoiler vessel
IntertekChain grate stoker

Need another mark for your project? We build to it.

Someone near you

Talk to a person who knows the system.

Service, parts and remote monitoring come straight from the people who built it.