- The 700 kW Bonder-Herz biomass boiler reuses sawdust from the wood extracted from the frame remnants produced by the industry. It is used to heat their facilities, including 2,000 m² of underfloor heating in the central warehouse of Molgra.
- Location: Tàrrega (Lleida)
- Picture Frame Factory - MOLGRA
- 700 kW Herz biomass boiler