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UNI Industrial — Commercial & Industrial Scale

UNI 300 wood boiler, 1000K BTU

Heating Capacity: Up to 17,000 ft²

A mid-tier Industrial model for larger farms, workshops, and commercial buildings.

Model
UNI 300 - 1000K BTU · Up to 17,000 ft²
$27,965
$22,37220% OFF

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What UNI 300 wood boiler, 1000K BTU Works With

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  • UNI wood boiler installed in a green mechanical room beside a vertical water storage tank.
  • UNI wood boiler installed beside an expansion tank and copper hydronic piping in a mechanical room.
  • UNI wood boiler installed with copper hydronic piping, pumps, valves, and temperature controls.
  • 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.
  • UNI wood boiler installed with insulated hydronic piping beside a clear bin holding wood fuel.
  • UNI wood boiler with its firebox door open, loaded logs, and a small flame inside.
  • Close-up of a UNI wood boiler with its firebox open and split wood actively burning.

Installed in real homes and workshops

Customer Success Stories

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Product details

  • 86%+ guaranteed efficiency
  • Smart controller
  • Up to 24-hour burn
  • 5 mm certified steel

UNI 300 Wood Boiler – 1,000K BTU (Gasification Wood Boiler)

High-efficiency wood boiler designed for large industrial and district-scale applications, featuring gasification technology, extended burn time, and multi-fuel flexibility for maximum output and continuous operation.

Key Benefits

  • Up to 24 hours burn time for extended operation
  • Gasification mode for higher efficiency and maximum heat extraction
  • Multi-fuel compatible (wood, coal, woodchips)
  • Smart controller with adjustable combustion settings
  • Built with high-strength boiler steel for heavy-duty use

Specifications

  • Approx. heating area: Up to 17,000 ft²
  • Rated output: 1,000,000 BTU/h
  • Sizing note: Approximate coverage only. Final selection requires a building heat-loss calculation and MBTEK sizing review.
  • Weight: 5,050 lb
  • Dimensions: 39" W × 81" D × 84" H
  • Firebox Size: 278 gal
  • Log Length: Up to 66"
  • Fuel Type: Wood, coal, woodchips
  • Warranty: 10 years
  • Origin: Made in Europe
Heat area
Up to 17,000 ft²
Water volume
315 gal
Connection
3 in
Chimney
12 in
Firebox size
278 gal
Log length
66 in
Width
39½ in
Depth
81 in
Height
84 in
Weight
6,050 lb

Complete the system

What UNI 300 wood boiler, 1000K BTU Works With

Answers

Frequently asked questions

Which UNI Industrial model should I choose?

UNI 150 covers up to 12,000 ft², UNI 300 up to 17,000 ft², and UNI 500 up to 24,000 ft². UNI 1000 is sized project-by-project rather than against a square-footage figure — final selection requires a building heat-loss calculation and MBTEK sizing review. Square-footage ranges are approximate for every model; confirm final sizing before ordering.

What buildings is UNI Industrial best for?

UNI Industrial is built for farms, workshops, commercial buildings, and other high-demand hydronic heating systems that need more output than the standard UNI sizes provide. It shares the same wood gasification platform and controls as UNI, scaled up in firebox size, water volume, and connection sizing.

Can a UNI Industrial boiler provide domestic hot water and does it need a buffer tank?

Yes — UNI Industrial can supply domestic hot water alongside space heating when paired with an indirect water heater tank. Many installations also benefit from a buffer tank, since a full burn can produce more heat than the building needs at that moment; thermal storage captures that heat and improves comfort when the system is sized correctly.

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