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About us · Since 1976

About us – The family businessbehind the heat.

We design, deliver and optimise complete bioenergy plants – from the fuel store to the heat. The Jansson family started the business in 1976, and today the fourth generation is on board.

Founded
1976 in Boden
Head office
Västerås
Local office
Luleå
The number 50 built from fifty lines – one for each year from 1976 to 2026, from cold blue to a warm glow 50 2026 1976
One line for every yearOur history

01The Jansson family

One family.Four generations.

Biotherm Heat is owned by the brothers Mikael and Magnus Jansson, half each, and run by the family. The head office is in Västerås and the local office in Luleå, and our service is nationwide.

  1. 1976Erik and Björn JanssonFather and son start a small workshop in Boden.
  2. 1986Mikael JanssonThe eldest son joins the company. Today managing director.
  3. 1990Magnus JanssonThe youngest son joins the company. Today product and marketing manager.
  4. 2000Mikael and Magnus JanssonThe brothers buy the company from their father.
  5. 2023Liam JanssonThe fourth generation, Magnus's son.

02Business idea

Every projectis unique.

We engineer, deliver and optimise cost-effective and environmentally conscious energy solutions – based on what you need, whether you are a private individual, a farm or a large industrial business.

From
10 kWthe firewood boiler on the farm
To
4.6 MWwood chips and pellets in industry
Fuels
Wood chips, pellets, firewoodand horse manure

03The whole chain

From the fuel storeto the heat.

You choose the fuel – we supply the rest. When every part comes from the same place, they fit together from the start.

A plant is drawn from left to right: the fuel store, the feed screw, the boiler, the accumulator tank, the installation with pump, valves and control cabinet, and the house that receives the heat – with a branch under the ground out into a district heating network
  1. 01

    Fuel store

    Silos, scraper-floor stores and spring agitators – made in-house.

  2. 02

    Boiler

    This is where the fuel becomes heat.

  3. 03

    Tanks

    Accumulator tanks store the heat and even out the output.

  4. 04

    Installation

    Pipes, pumps and controls, commissioning and training.

  5. 05

    Heat out

    To the building or out into a district heating network.

We do not supply fuel. Not sure which one suits you? We work it out in the heat-load calculation.

All products

04From calculation to service

This iswhat we do.

1,100+

products in our range – extensive in-⁠house manufacturing and innovation.

  1. 01

    Free heat-load calculation

    We work out the output you need before anything is decided.

  2. 02

    Engineering in 3D

    Calculations and drawings in IRONCAD. The boiler room is drawn in 3D and 2D, with plumbing and electrical drawings.

  3. 03

    In-house manufacturing

    Fuel stores, screws, shredders and complete heating plants are designed and built in-house – to suit the site, not the other way round.

  4. 04

    Installation

    The whole project as main contractor – buried pipework, chimney and substations – or just parts of it. Local plumbing and electrical firms can also do the installation.

  5. 05

    Service

    Nationwide, for our own and other brands. At commissioning you receive documented training.

05General agent in Scandinavia

Four series, fromthe farm to industry.

PelleTech

As general agent in Scandinavia for PelleTech, we supply boilers, hot-air units and burners, and we design, engineer and install them. PelleTech is part of BWT, Best Water Technology.

06Development

Developed withLuleå Universityof Technology.

In 1996 a 15-year collaboration with Luleå University of Technology began. Together we ran a 300 m² laboratory in Boden and developed a number of products – the horse manure burner has attracted the most interest. The Biotherm burner burns horse manure, extremely wet wood chips and slaughterhouse waste, so that the waste becomes heat on site instead of being stored and taken to landfill.

Collaboration
15 years, from 1996
Laboratory
300 m² in Boden
Output
250–1,000 kW
Manure moisture content
Up to 60 %
The Biotherm burner
The Biotherm burner: two stainless-steel burners with feed system

07In our customers' own words

Skilled guys when you need help. Good boilers if you want trouble-free heating.

Sören Sticko

Professional team – despite the holidays they helped me with an old model that is no longer sold, life is easier when you can rely on your suppliers.

Aurimas DicpetrisNetherlands
5/5

Good service and quick response!

Fredrik JuhojunttiReview on Google

5/5

Andreas LindbomReview on Google

Free heat-load calculation

Let's calculate your heating.

Tell us what needs heating – the farm, the property or the industrial site – and we will calculate it for you. The heat-load calculation is free of charge.

Call +46 (0)921-578 00

info@biothermheat.comVästerås · Luleå

Free heat-load calculation

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