The core activity of Schaer Hitech GmbH is the development, manufacture and rental of equipment for gas processing, particularly for biogas and wastewater treatment plants. The products include flame arresters, gas flares, gas storage systems, gas filters and gas compressors. In addition, the company offers services such as plant construction, compressor service, protective gas welding, tightness testing, engineering and consulting in the field of renewable energies, particularly biogas plants.