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.

Amstutz Haustechnik AG is your specialist for well thought-out heating and sanitary systems in the greater Zug area. We offer our customers a wide range of high-quality, tailor-made solutions for heating and hot water comfort, as well as bathroom renovations of all kinds. Put your request in our hands - we have many years of know-how in the industry and work together with strong partners. OUR COMPETENCES AT A GLANCE CONSULTING / PLANNING Whether it's a new building or a conversion. We advise you on the selection of the most economical heating system and on the realisation of your dream bathroom. Our 3D planner helps to visualise your wishes and ideas correctly. New construction Bathroom conversion Heating 3D planning SANITARY INSTALLATIONS We supply and install high-quality and functional sanitary installations and are your specialist in the sanitary sector for water treatment, decalcification and rainwater utilisation systems. Sanitary installations in renovations and new buildings Water treatment and decalcification systems Natural gas installations Installations for irrigation and rainwater utilisation HEATINGS Whether geothermal, gas, wood or district heating. Choosing the right heating system saves money and creates quality of life. We install and renovate every system and provide expert information on contemporary optimisation. Heat pumps Wood heating systems District heating Oil and gas heating SERVICE / MAINTENANCE With repairs and maintenance of appliances, removal of blockages, descaling of water heaters, implementation of maintenance contracts and filter cleaning work, we are your reliable partner for all cases. Repairs Maintenance of appliances Removal of blockages Boiler descaling Filter cleaning 24/7 SERVICE Thanks to our fully equipped emergency vehicles, our qualified technical customer service staff will be with you as quickly as they can. Rapid deployment Extensively equipped emergency vehicles Qualified technical customer service Always on duty for you