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COMMERCIAL & INDUSTRIAL HEATING, Built to Last

Commercial & Industrial Biomass Boiler Systems

High-capacity hydronic boiler systems for commercial buildings, farms, workshops, warehouses, greenhouses, and industrial heating applications.

Commercial systems | Industrial heating | Complete systems

Choose your commercial or industrial boiler

Find the right commercial or industrial boiler

Compare our largest wood, pellet, hybrid coal, and wood chip boiler platforms, each built for very large buildings, commercial facilities, and high-demand hydronic heating.

Commercial & industrial scale
UNI 1000 wood boiler, 3400K BTU

UNI

UNI Industrial Wood Boiler

Large-capacity wood gasification boilers for farms, workshops, commercial buildings, and high-demand heating systems.

Smallest model: up to 12,000 sq ft

Largest: up to 85,000 sq ft

  • Built for high-demand properties
  • Large firebox for fewer reloads
  • Accepts very long logs
  • Heavy-duty boiler steel construction
View UNI Industrial boilers
Commercial & industrial scale
PELLET DUO 150 Pellet Boiler, 500K BTU

PELLET DUO

PELLET DUO Industrial Pellet Boiler

Industrial-scale pellet boiler platform for very large buildings, commercial facilities, and high-demand heat.

Smallest model: up to 15,000 sq ft

Largest: up to 110,000 sq ft

  • Industrial-scale pellet heat
  • 92% efficiency
  • Large pellet hoppers
  • Multi-fuel operation for high-demand systems
View PELLET DUO Industrial boilers
Commercial & industrial scale
EKO DUO 150 Hybrid Coal Boiler, 500K BTU

EKO DUO

EKO DUO Industrial Coal Boiler

Industrial-scale hybrid coal boiler platform for very large buildings, commercial facilities, and high-demand hydronic heat.

Smallest model: up to 15,000 sq ft

Largest: up to 110,000 sq ft

  • 500K to 3400K BTU output
  • Automatic self-cleaning multi-fuel combustion
  • Large coal hopper autonomy
  • Smart hydronic control for high-demand systems
View EKO DUO Industrial boilers
Commercial & industrial scale
BIO DUO 150, Wood Chip Boiler 500K BTU

BIO DUO

BIO DUO Industrial Wood Chip Boiler

High-capacity wood chip boiler for commercial, industrial, and large-building hydronic heating.

Smallest model: up to 15,000 sq ft

Largest: up to 95,000 sq ft

  • Four models: 500K to 3.4M BTU
  • 86%+ efficiency, ASTM A106 boiler steel
  • TIS TRONIC controller automates the whole system
  • Pairs with the Boiler Conveyor Storage System
View BIO DUO Industrial boilers

Not sure which platform fits? MBTEK can help confirm boiler size, fuel storage, chimney planning, controls, and accessories for your project.

Sizing guide

Compare Industrial Boiler Models by Heating Capacity

Square-footage ranges are approximate. Final sizing depends on heat loss, insulation, climate, buffer tank design, fuel storage, chimney planning, and how the boiler will be used.

UNI Industrial Wood Boiler

Series
Model
Approx. coverage
UNI Industrial
Up to 12,000 sq ft
UNI Industrial
Up to 25,000 sq ft
UNI Industrial
Up to 42,500 sq ft
UNI Industrial
Up to 85,000 sq ft

PELLET DUO Industrial Pellet Boiler

Series
Model
Approx. coverage
PELLET DUO Industrial
Up to 15,000 sq ft
PELLET DUO Industrial
Up to 30,000 sq ft
PELLET DUO Industrial
Up to 55,000 sq ft
PELLET DUO Industrial
Up to 110,000 sq ft

EKO DUO Industrial Coal Boiler

Series
Model
Approx. coverage
EKO DUO Industrial
Up to 15,000 sq ft
EKO DUO Industrial
Up to 30,000 sq ft
EKO DUO Industrial
Up to 55,000 sq ft
EKO DUO Industrial
Up to 110,000 sq ft

BIO DUO Industrial Wood Chip Boiler

Series
Model
Approx. coverage
BIO DUO Industrial
Up to 15,000 sq ft
BIO DUO Industrial
Up to 30,000 sq ft
BIO DUO Industrial
Up to 50,000 sq ft
BIO DUO Industrial
Up to 95,000 sq ft

For large or mixed-use buildings, confirm final sizing with MBTEK before ordering.

Commercial & industrial boiler systems for hydronic heating

Commercial and industrial boiler systems are selected around total heat demand, fuel plan, hydronic distribution, and the way the building operates. A large boiler does more than heat one room: it supplies hot water to a complete system that can serve radiant floors, fan coils, unit heaters, air handlers, domestic hot water loads, process-adjacent heating, or multiple building zones.

MBTEK's industrial boiler collection focuses on solid-fuel hydronic heating for large buildings, commercial properties, farms, workshops, warehouses, greenhouses, and facilities that need high-output boiler capacity. The product picker and sizing tables above keep model selection close to the top, while this guide explains the main system choices before the FAQ.

Choosing the right industrial boiler fuel

Cordwood

Best when low fuel cost and local wood supply matter more than automatic operation. Plan dry storage, loading access, ash handling, and a buffer tank strategy.

Pellets

Best when automatic feeding and consistent fuel quality matter. Plan pellet storage, hopper autonomy, delivery logistics, and regular ash service.

Hybrid coal

Best when long runtime and fuel flexibility are priorities. Confirm allowed fuel types, coal sizing, emissions rules, chimney requirements, and storage space.

Wood chip

Best for bulk biomass projects with room for chip storage and fuel delivery equipment. Fuel moisture, chip sizing, and conveyor planning are critical.

Commercial boiler applications

Commercial and industrial boiler applications vary by operating schedule, water temperature, fuel access, and local code. The same boiler platform can serve very different buildings when the hydronic system is designed around the load.

Commercial buildings Space heating for shops, offices, schools, multi-use properties, warehouses, and other commercial buildings.
Greenhouses High-demand hydronic heat where steady water temperature, backup heat, and fuel storage planning are important.
Farms, workshops, and warehouses Large-volume spaces that may need unit heaters, fan coils, radiant slabs, or multiple heating zones.
Food-industry heating loads Hydronic support for building heat or compatible hot-water loads when temperature, sanitation, and code needs are confirmed.

Sizing, buffer tanks, and installation basics

Square footage is only a first filter. Final commercial boiler sizing should be based on heat loss, operating schedule, fuel plan, hydronic distribution, and the mechanical room layout.

  • Heat loss Use a heat-loss calculation for large, mixed-use, poorly insulated, or high-ceiling buildings.
  • BTU output Match boiler output to the real heating load, not only the maximum square-footage range.
  • Fuel storage Plan dry storage, delivery access, refill cadence, hopper autonomy, and ash handling for the selected fuel.
  • Buffer tank Thermal storage can reduce cycling, stabilize supply temperature, and improve comfort during changing loads.
  • Chimney and combustion air Confirm draft, flue sizing, clearances, make-up air, and local code before finalizing the layout.
  • Hydronic distribution Confirm pumps, valves, controls, radiant floors, fan coils, air handlers, unit heaters, and zone strategy.
  • Maintenance access Leave room for cleaning, ash removal, fuel feed service, pumps, controls, and annual hydronic maintenance.
  • Local code Confirm installation, emissions, venting, fuel storage, and inspection requirements before ordering equipment.

Industrial Boiler FAQ

Commercial & Industrial Boiler Systems - Frequently Asked Questions

Direct answers about industrial boilers, commercial boiler sizing, biomass efficiency, buffer tanks, and hydronic system fit.

What is an industrial boiler?

An industrial boiler is a high-output boiler system built for large buildings, facilities, farms, greenhouses, workshops, warehouses, and other high-demand spaces. MBTEK industrial boilers are hydronic systems, so they heat water and move that heat through piping to radiant floors, fan coils, air handlers, unit heaters, tanks, or other distribution equipment.

What is the difference between a commercial boiler and an industrial boiler?

A commercial boiler usually serves a building such as a shop, school, apartment property, greenhouse, office, or small facility. An industrial boiler is selected for larger heat loads, longer runtimes, larger fuel storage, heavier hydronic equipment, and more demanding mechanical-room planning.

How do I size a commercial or industrial boiler?

Size a commercial or industrial boiler from a heat-loss calculation, not square footage alone. Final sizing should account for climate, insulation, ceiling height, air leakage, process loads, domestic hot water demand, hydronic distribution, required water temperature, buffer tank design, and how many hours per day the boiler will run.

What BTU range do MBTEK industrial boilers cover?

MBTEK industrial boiler models on this collection range from 500K BTU up to 3.4M BTU. Approximate coverage starts around 12,000 to 15,000 sq ft for 150-class models and reaches up to about 85,000 to 110,000 sq ft for the largest 1000-class models, depending on boiler platform and building heat loss.

Which industrial boiler is best for biomass heating?

For industrial biomass boiler projects, choose the platform around the fuel you can store and source reliably. UNI Industrial fits cordwood and wood gasification, PELLET DUO Industrial fits automatic pellet heat, and BIO DUO Industrial fits wood chip systems and bulk biomass fuel handling.

Do industrial boiler systems need buffer tanks?

Many industrial boiler systems benefit from a buffer tank because thermal storage can reduce cycling, stabilize water temperature, and improve comfort during variable loads. Buffer tank sizing depends on boiler output, distribution type, building load, control strategy, and fuel type.

What efficiency should I expect from an industrial biomass boiler?

Efficiency depends on boiler platform, fuel moisture, fuel quality, draft, water temperature, cleaning schedule, and system design. Real-world performance depends on correct sizing, dry fuel, clean heat-transfer surfaces, and a properly planned hydronic system.

Are these steam boilers or electric commercial boilers?

No. This collection focuses on solid-fuel hydronic boilers for commercial and industrial heating. They are not electric commercial boilers and they are not steam boiler packages. If a project requires steam, electric resistance heat, or a code-listed process boiler, confirm the requirement before selecting from this collection.

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