Biomass is organic matter of vegetable or animal origin, including organic waste, which can be used to generate energy.

With respect to this energy source Negratín is concentrating most of its efforts into heating, ventilation and air-conditioning (HVAC) systems, mainly in the tertiary and services sectors (swimming pools, hotels, old people’s homes, schools, etc.), with the installation of domestic hot water systems, boiler rooms, water cooling installations, heat pumps, dehumidification equipment, steam, condensation and biomass boilers.