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HOTAB Certus - Transportable solutions for Biomass Energy

Certus is a standardized concept based on a portable biomass boiler centre that is part of HOTAB Biosystems product range. It is built to optimize production flow, lower the purchase price of the components and to ensure the quality of every little detail.

The Certus Portable Boiler Centres are well designed internally and thus provide generous internal space and with well-thought-out solutions, not least for future service measures. The component selection is made according to customers requirements, and so can be tailored for client specifications.

You can connect many Certus units and thus get 2x3MW or 3x3MW, if you want a condenser, oil boiler or gas boiler, this can also be built together as a module in two different units.

Saxlund Certus Transportable BioEnergy Plant
Saxlund Certus Transportable BioEnergy Plant

During several decades HOTAB has built transportable boiler units, where they are always built for the harsh Nordic climate. A Certus unit is always supplied in two parts with a roof section and a bottom section where the boiler, plumbing and electricity are factory installed. The bottom section is easily assembled in a couple of hours. Fuel feed and ash and dust handling are fitted. A simple electrical, water and drainage connection is made and then it is only to start the plant. The Certus unit is simply placed on a hard and flat surface concrete surface, no special civils works are required.


Olofströms Kraft AB in Sweden owns and operates one of many HOTAB Certus units. During 2014, Hotab built a Certus unit for the energy company in Blekinge, in southeast Sweden.

The Certus Portable Boiler Centre in Olofström extracts energy through pellets for a hot water boiler from HOTAB. The Certus unit replaced an old energy centre with fossil fuels. Otofströms Kraft AB chose HOTAB’s Certus Portable Boiler Centre, after a public procurement, where quality, accessibility, high efficiency, outstanding performance and emissions were an important part. Of course, the economic aspects were also very important when the customer is looking for a long-term solution and HOTAB’s robust and proven solutions were an important aspect that was viewed very favourably in the tendering process. Even maintenance and operation control, as well as HOTAB’s very professional service, contributed to the choice of supplier.

Transportable Unit Sizes

Fuel Type:

Wooden pellets                    Certus P3

Dry Wood Chips                    Certus T3

Wet Wood Chips                  Certus F3

Max power per unit 3,000 kW

Saxlund Certus Transportable BioEnergy Plant
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