The core activity of U. Amsler AG encompasses the planning, installation, maintenance, and renovation of various technical systems in buildings, particularly: Sanitary work (bathroom renovations, plumbing, heating systems), Heating technology (conventional and alternative heating options, heat pumps, district heating, gas firing, oil firing, wood firing, solar technology), Ventilation technology (comfort ventilation, industrial ventilation), and Sheet metal work (roof renovations, flat roof renovations, lightning protection systems, building sheet metal work, metal processing). The company offers its services for single-family homes (SFH), multi-family homes (MFH), and commercial businesses.