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BIO DUO wood chip boiler and hopper shown from an angled view

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Wood Chip Boiler — BIO DUO Industrial

BIO DUO 300, Wood Chip Boiler 1000K BTU

Heating Capacity: Up to 30,000 ft²

Modulating commercial BIO DUO with automatic wood chip feed and confirmed manual log-burning capability.

Model
BIO DUO 300 - 1000K BTU · Up to 30,000 ft²
Hopper Size
Standard 2.0 yd³ (400 US gal)
Automatic Ash Removal
No
Automatic Igniter
No

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What Our BIO DUO 300 - 1000K BTU Works With

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  • Phoenix boiler installed in a mechanical room with copper hydronic piping, pumps, and controls.
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  • MBTEK boiler system with a black and orange cabinet unit and orange hopper in a utility basement.
  • Black and orange boiler installed in a mechanical room with wall-mounted hydronic manifold, pumps, and control panel.
  • Black and orange boiler installed beside a water tank and hydronic piping in a basement mechanical room.
  • Black and orange pellet boiler connected to a black fuel hopper and auger in a finished mechanical room.
  • Black and orange pellet boiler connected to a black hopper and auger in an unfinished framed mechanical room.
  • Side view of an orange EKO Duo hybrid coal boiler and integrated fuel hopper in a concrete mechanical room.
  • Pellet Duo boiler with its combustion chamber and heat exchanger access doors open.
  • UNI wood boiler installation with water tank, copper piping, expansion tank, and manifold.
  • Side view of an EKO Duo boiler with closed access doors and digital controller in a mechanical room.

Installed in real homes and workshops

Customer Success Stories

We chose the BIO DUO wood chip boiler for reliable, high-capacity heating with less daily handling. The automatic fuel feed keeps the system supplied, while the smart controller and large heat exchanger maintain steady combustion and deliver the consistent output our facility needs.

Reliable Wood Chip Heating for Large Facilities

Automatic fuel feeding, controlled combustion, and heavy-duty hydronic performance for commercial and industrial buildings.

Product details

  • 86% efficiency
  • Automatic fuel feed
  • Front-access cleaning
  • Wood chip fuel

WOOD CHIP BOILER – 1000K BTU (BIO DUO 300)

Heavy-duty biomass boiler designed for large commercial and industrial heating systems, featuring automatic fuel feeding, high output capacity, and robust construction for continuous, high-demand operation.

Key Benefits

  • Automatic fuel supply for woodchips and biomass fuels
  • Wide modulation range from 307–1,023 KBTU (90–300 kW)
  • High efficiency of 86% for optimized energy performance
  • Advanced TIS TRONIC 660HD controller for full system automation

Specifications

  • Heating Capacity: Up to 30,000 ft²
  • Output: 307–1,023 KBTU (90–300 kW)
  • Hopper Volume:
    528 gal, 48 × 60 × 100 in
  • Fuel Type: Wood chips
  • Application: Commercial & industrial heating systems

Additional Features

  • Front-access design for easy cleaning and maintenance
  • Flexible hopper installation (left or right side)
  • Optional automatic ash removal and igniter system
  • Advanced safety system with fuel line temperature protection
  • Controller Functions: fan, feeder, pumps (CH/DHW), flue gas monitoring, outdoor sensor, thermostat compatibility
  • Warranty: 60-month body warranty

Made in Europe

Output
307–1,023 KBTU (90–300 kW)
Heat area
Up to 30,000 ft²
Efficiency
86%
Maximum operating temperature
185°F
Maximum pressure, open system
22 psi
Maximum pressure, closed system
58 psi
Water volume
250 gal
Water flow
57 GPM
Pressure drop
3.6 psi
Connection
3 in
Chimney diameter
12 in
Furnace vacuum
0.08–0.20 in. w.c.
Heating surface
258 ft²
Boiler size (W × D × H)
47 × 75 × 86 in
Boiler weight
5,940 lb
Weight with hopper and auger
7,070 lb
Hopper
528 gal, 48 × 60 × 100 in
Maximum fuel use
276 lb/h
Fuel
Wood chips
Automatic ash removal
Optional
Body warranty
60 months
Associated equipment warranty
12 months

Complete the system

What Our BIO DUO 300 - 1000K BTU Works With

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