Kather Sanitär Heizung GmbH (Amriswil) delivers plumbing, heating and ventilation services across Switzerland. Since 2003, we support private, commercial and industrial projects—from single-family homes to large-scale builds. We handle planning, installation, upgrades, maintenance and fast troubleshooting. Our services include sanitary installations, bathroom renovations, modern heating systems (heat pumps, oil, gas, wood), underfloor heating, radiators, and ventilation solutions for residential and commercial properties, including heat recovery systems. Expect high-quality materials, efficient processes and personal service.

Günter Gebäudetechnik GmbH in Zihlschlacht, Switzerland, provides professional plumbing, heating and building technology services in the Amriswil and Bischofszell region. Since 2020, under Simeon Günter, we combine traditional craftsmanship with modern solutions. Whether new construction, renovation, repair or maintenance – we deliver planning, installation and service from a single source. From heat pumps to bathroom renovations, we focus on quality, efficiency and personal customer service.