A) Plant and building services engineering (heating, sanitary, air conditioning and refrigeration technology, I&C technology); consulting, planning and implementation; Gas and oil boilers, condensing boiler technology, boiler systems, steam generators, geothermal energy, rainwater utilization, backflow protection, swimming pool technology, bathroom renovation, barrier-free bathrooms, industrial ventilation, smoke extraction systems, comfort air conditioning, IT air conditioning, swimming pool dehumidification, split/comultisplit systems, silent cooling, production cooling, absorption chillers, ice storage systems, adibiate cooling, cooling towers; Service and maintenance, emergency service:
B) Plumbing technology: metal roofs and facades




