SRT is a high-tech environmental company in air purification and filtration that installs, services, repairs and provides spare parts. We are working for a healthy indoor and outdoor environment. We clean the air from particles and gases using ionization and thus purify the air in a natural way as nature has done through the centuries. Air purification installations are performed in homes, schools, hospitals, public building and industries. SRT is a part of GVAB, Grubbe Ventilation AB.