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.

Whether it's a new build, renovation or emergency – we’re your trusted plumbing partner for water and heating solutions. Our skilled plumbers deliver high-quality work, honest pricing, and friendly service – from dripping taps to full bathroom upgrades. With care, cleanliness and a smile, we take care of your plumbing so you can feel at ease. Contact us – we’re quickly at your side.

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.

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Founded in November 2023, we are a dedicated couple committed to serving you with trust and professionalism. At Okanovic UNA Hauswartung-Reinigung, reliability and quality come first. You can always count on us to take care of your property maintenance, garden care, and cleaning with the utmost care. Whether it's window cleaning or specific maintenance tasks in your household, we are here to help. Don’t hesitate to reach out to us! Together, we will find the best solution for your unique needs.