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.

Gaznox SA is a company specialized in the renovation , design , and installation of chimney linings across French-speaking Switzerland. With over 30 years of experience in industry and construction, the founders – Daniel Pitt and Frédéric Gorges – bring their expertise to private clients , architects , and heating system installers . We handle all projects related to chimneys , linings , flue systems , wood stoves , Swedish stoves , pellet stoves , ventilation ducts , and fire protection solutions . Renovation and Installation of Chimney Linings Gaznox SA is your specialist for chimney lining renovation , flue installation , chimney casing , and ensuring all systems comply with current standards . We provide solutions for: • Existing chimney linings • Installation of stainless steel or synthetic linings • Boiler flue linings (oil, gas, wood, pellets) • Emergency generator flue linings • Industrial flue systems • High-temperature flue linings • Renovation of damaged flues Our solutions meet the demands of modern heating systems , ensuring safe smoke evacuation and optimal energy efficiency . Installation of Chimneys and Stoves In addition to linings, we offer complete chimney and stove installation : • Living room chimneys • Swedish stoves • Wood stoves • Pellet / granule stoves • Stove-chimney combinations • Industrial metal chimneys Our teams ensure proper air supply , smoke evacuation , and all technical elements for safe and efficient operation . Masonry Chimneys – Construction, Renovation, Heritage Gaznox SA has extensive expertise in masonry chimneys , including: • New masonry chimney construction • Renovation of cracked chimneys • Relocation or height adjustment • Heritage restoration • Chimneys on listed or protected buildings We work with bricks , stone , and concrete , offering custom finishes while respecting the architectural character of the building. Ventilation and Smoke Extraction Ducts Our teams install ventilation ducts , smoke extraction systems , and ventilation monoblocks for private, industrial, and collective buildings. Our solutions guarantee: • Enhanced fire safety • Compliance with ventilation standards • Installation tested and validated upon completion Metal Constructions and Custom Structures In our workshop, we also manufacture custom metal structures : • Metal walkways / platforms • Stairs and railings • Metal frameworks • Industrial load-bearing structures • Modifications to existing structures Responsiveness, precision, and meeting deadlines are at the heart of our commitments. A Full Team at Your Service Depending on the season, 10 to 20 qualified professionals join our team to ensure: • Quick interventions • Complete project management • Support for private clients, architects, and heating installers We handle your projects related to chimneys , linings , ventilation , metal structures , and renovation from A to Z. Why Choose Gaznox SA ? • 30 years of experience in chimneys, linings, and ventilation • Solutions for private clients , professionals , and architects • Services across French-speaking Switzerland • Careful, durable, and standards-compliant work • Expertise in traditional chimneys and modern installations • Comprehensive project management without subcontracting Contact Gaznox SA For diagnostics , expert assessments , quotes , or any information about our services in linings , chimneys , ventilation , or metal structures , please contact us directly. Gaznox SA – your reference for chimney linings , stove installations , and masonry chimneys in French-speaking Switzerland.