The ir. Ottenbad is a swimming pool complex in Eindhoven. The water in the pools is heated by a biomass-fired hot water boiler. The biomass comes from the Eindhoven municipality.

HoSt is responsible for the design, construction and commissioning of the plant and also performs the maintenance of the installation.


Start construction October 2010
Start-up / commissioning March 2011


Wood storage 120 m³
Wood supply system Chain scraper
Furnace 230 kg/h wood chips
Water pipe boiler / flue boiler 750 kWth
Flow temperature 85°C
Electrostatic filter <50 mg/Nm³


  • Installed to replace natural gas CHP gas engines
  • Turn-key delivery including civil and hot water network integration