Located in Treyvaux, Cuony-Dafflon SA specialises in sanitary installations, plumbing, heating and solar power. The company looks after the maintenance of sanitary appliances, water supply, taps, taps in charge... The company works for private individuals, professionals and local authorities from Bulle to Fribourg. • General sanitary installations • Renovation of bathrooms, taps, showers, WCs, baths and connections • Descaling water heaters (boilers) • Water treatment (softener) • Water network • Oil heating, gas heating • Wood heating, pellet heating • Heat pumps • Boiler installation and replacement • Chimney flues • Sanitary appliances • Bathrooms, WC furniture, showers and washbasins • Pipework • Underfloor heating • Solar installations • Minergie • Plumbing and heating repairs

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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.

Kanal-Institut AG – a young company with many years of professional experience We are a young company with many years of professional experience and expertise, offering high-quality services to both private and business customers. Our team consists of qualified professionals who work with state-of-the-art equipment and technology to ensure efficient and reliable solutions for all sewer problems. We specialize in clearing blockages, repairing leaks, and rehabilitating sewer systems to ensure their proper function and longevity. As a trusted partner, we place great emphasis on customer satisfaction and offer tailored solutions for individual needs. Our commitment to quality, reliability, and environmental sustainability is reflected in everything we do. Contact us today to learn more about our services and how we can help you optimally maintain your sewer infrastructure.