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

Von A-Z alles professionell, freundlich und kompetent, ich werde euch gerne stets weiterempfehlen! Liebe Grüsse Ronny

Herzlichen Dank wir sind sehr zufrieden mit der Firma Steiner AG und empfehlen sie gerne weiter

Ich kannte schon seinen Vater absolut seriös und kompetent. Da passt der Spruch: Qualität hat einem Namen

Gaznox SA is a company specializing in the design , installation , and renovation of chimney linings , serving the Geneva canton and the Nyon region . With over 30 years of experience in the industry and construction sector, our founders – Daniel Pitt and Frédéric Gorges – provide expert services to private clients , architects , and heating system installers for all projects related to chimneys and smoke evacuation systems . We offer comprehensive services for chimneys , chimney linings , smoke ducts , wood stoves , Swedish stoves , pellet stoves , ventilation systems , and fire safety . Chimney Lining Renovation and Installation As specialists in chimney linings , we handle: • Renovation of existing flues • Installation of stainless steel or synthetic linings • Linings for boilers : oil, gas, wood, pellets • Linings for backup generators • Industrial and high-temperature chimney linings • Repair of damaged flues Our solutions ensure optimal smoke evacuation , safe installations , and high energy efficiency , fully compliant with local standards. Chimney and Stove Installation We also provide complete chimney and stove installation for residential and industrial buildings: • Living room fireplaces • Swedish stoves • Wood stoves • Pellet / granule stoves • Fireplace stoves • Industrial metal chimneys Our team ensures proper air supply , safe smoke extraction , and reliable, efficient operation . Masonry Fireplaces – Construction and Renovation We handle all types of masonry fireplaces , both for new and existing buildings, including: • Construction of fireplaces with bricks, stone, or concrete • Repair and renovation of cracked flues • Relocation or elevation of existing chimneys • Reconstruction of heritage fireplaces • Work on historic or protected buildings Each project is completed with architectural care and customized finishes . Ventilation Ducts and Smoke Extraction Systems Our specialists install ventilation ducts , smoke extraction systems , and ventilation monoblocks for private, collective, and industrial buildings. Our services guarantee: • Enhanced fire safety • Ventilation fully compliant with regulations • System testing and validation after installation Metal Constructions and Custom Structures In our workshop, we also produce custom metal structures for your buildings: • Metal walkways • Stairs and railings • Metal frameworks • Industrial load-bearing structures • Modifications and adjustments to existing structures We combine precision , speed , and timely delivery for all projects. A Complete Team for Your Projects in Geneva and Nyon Depending on the season, 10 to 20 qualified professionals join our team to provide: • Comprehensive project management • Fast and coordinated interventions • Personalized support for private clients, architects, and installers We handle all your chimney, flue, ventilation, and metal structure projects from start to finish. Why Choose Gaznox SA? • Over 30 years of experience in fireplaces, chimney linings, and ventilation • Solutions for private clients , professionals , and architects • Service across Geneva and Nyon • Careful, durable, and standards-compliant work • Expertise in traditional fireplaces and modern installations • Full project management without subcontracting Contact Gaznox SA For a quote , consultation , or further information about our chimney linings , fireplaces , ventilation systems , or metal structures , contact us today. Gaznox SA – Your trusted partner for chimney linings, stove installations, and masonry fireplaces in Geneva and Nyon.