The core activity of MARTI KLS AG encompasses the planning, consulting, execution and maintenance of climate and ventilation systems as well as sheet metal work. Specifically, the company offers the following services: Climate: Consulting, planning and execution of air conditioning systems, maintenance, service and repair work. Ventilation: Consulting, planning and realization of ventilation systems, maintenance, service and repair work, cleaning of ventilation systems. Sheet metal work: Consulting, planning and execution of sheet metal work, maintenance, service and repair work, roof inspection, lightning protection systems, corrugated iron roofs, flat and pitched roofs, industrial sheet metal work. The company thus offers comprehensive solutions for the areas of climate, ventilation and sheet metal work.