KWB TDS Powerfire 45-150 kW

KWB – premium Austrian boiler technology

Founded in 1994, the KWB premium Austrian manufacturer specializes in automatic biomass heating systems. The Powerfire series is designed for heat supply to larger buildings and sites.

KWB Powerfire TDS 150 – automatic heating, flexible fuel selection

adjustable output between 45–150 kW, wood chip and pellet operation, automated cleaning: the TDS 150 offers a well-controllable central heating solution for facilities with variable heat demand.

Key benefits

• Demand-tailored output: the boiler is capable of operating even at partial load.
• Wood chips or pellets: more options for fuel procurement.
• Rotary grate combustion: supports fuel feeding and ash removal.
• Lambda control and cyclone combustion chamber: coordinated combustion process.
• Automatic heat exchanger cleaning: helps maintain proper heat transfer.
• Automatic ash extraction: fewer regular manual interventions.

Important factory data

• Output range: 45–150 kW.
• Efficiency for wood chips: 90.4% at nominal load, 92.9% at partial load.
• Maximum operating pressure: 3.5 bar.
• Maximum supply temperature: 90 °C.
• Wood chips: G30/G50, with a maximum moisture content of 45% according to factory documentation.

Source: the attached KWB Powerfire Technology and Planning, TDS 150 data sheet (November 30, 2012). The values are factory data for the model.

Application possibilities

• Industrial and agricultural sites, workshops.
• Accommodation facilities, institutions, larger buildings.
• Central heating serving multiple buildings.

New equipment price – for comparison

ETA eHACK 180, 180 kW: 58,011.96 EUR gross, including VAT. Verified: October 5, 2026 Source: Heizbude – ETA eHACK 180.

The 13180L-D-E-01 version features a left-side stoker, integrated return lift, electrostatic particulate filter, and flue gas recirculation. Transport and on-site installation are separate. Higher output new model from another manufacturer; not the exact new price of the KWB TDS 150.

Brands available in the ProfiKazán product range

AGRO Forst & Energietechnik, Alfa Laval, Austria Email, Binder, Biral, Buderus, Clima, Delphis-therm, EDER, Elco, Fröling, GEA, Gilles, Grundfos, Grünbeck, Guntamatic, HAPPEL / Ziehl-Abegg, Hargassner, HDG, Heizbösch, Herz, Hoval, Kampmann, Kränzle, KSB, KWB, LOOS, Lopper, Lowara, Mawera, Nolting, ORION / AL-KO, Picopello, Pneumatex, Pollhuber, Prüller, Reflex, Remeha, Ruwac, Schwank, Sieger, Siemens, Spanex, Varem, Viessmann, Wilo, Windhager, Wolf, YORK.

Heating systems and related equipment in one place

Categories of our catalog: Parts, Chip feeders, Wood chip boilers, Wood gasification boilers, Gas boilers, Steam boilers, Heat exchangers, Heat pumps, Infrared heaters, Industrial vacuum cleaners, Industrial cleaning machines, Warm air boilers, Hot water storage tanks, Measuring instruments, Oil boilers, Pellet boilers, Pumps, Expansion vessels, Unit heaters, Multi-fuel boilers, Controls, Water treatment.

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