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.

Entreprise fiable et sérieuse, nous leur avons confié le remplacement de notre ancienne chaudière par une pompe à chaleur . Ils se sont occupés de toutes les démarches administratives ( permis et subventions) conseils avisés et professionnels, installation réalisée en à peine une semaine et à notre entière satisfaction. Entreprise à recommander à 100%

Entreprise au top! De la première discussion, en passant par les conseils pour le choix de l’appareil et jusqu'à la première flamme dans notre joli poêle, tout était parfait! Conseils très pros, installation de l’appareil très propre et SAV au top du top! Milles mercis!!!

Excellent magasin, conseils avisés.

"EVERYTHING FROM ONE SOURCE, FROM PLANNING TO FIREPLACEMENT" EVEREST WOHNBAU GMBH WAS FOUNDED WITH THIS SLOGAN ON DECEMBER 4, 1994 THE COMPANY NAME WAS CHOSEN BECAUSE IT DELIVERS TOP PERFORMANCES AT THE HIGHEST LEVEL THE EVEREST TEAM OFFERS THE FOLLOWING SERVICES: • Serious advice, in the exhibition or on site • Individual planning (unique items) • General contractor for smaller conversions. The customer only has one contact person! • Building permits • Designs • Fireplaces FIREPLACES AND TILED STOVES • New builds and conversions: standard or individual fireplaces and tiled stoves (unique items) • Renovations: glazing and cassettes • Gas fireplaces • Steel fireplaces (individual designs) FIREPLACE STOVES • Large selection from leading manufacturers in all price ranges FIREPLACE CONSTRUCTION • Chrome steel fireplaces for new builds and renovations • Heating fireplaces made of chrome steel and plastic • Shaft fireplaces (space-saving special fireplaces) IN THE EXHIBITION, WHICH COVERS OVER 200 SQUARE METERS, it is impressively shown how the dream of your fireplace can be realized. You will find a large selection of modern fireplaces and fireplace stoves in every style. Many storage heaters can also be viewed. For the Everest team, personal advice on site at the customer's premises, as well as in the exhibition, is a matter of course. The most important connections between healthy living and environmentally friendly, economical heating technology are explained in an understandable way. EXECUTION A beautiful fireplace or fireplace stove must also be cleanly built or assembled and connected. Our long-standing employees, as master stove fitters, stove fitters and chimney builders, are the guarantee for clean and flawless work. DO NOT HESITATE, ARRANGE AN APPOINTMENT AND GET TO KNOW A PARTNER YOU CAN RELY ON. THE EVEREST TEAM LOOKS FORWARD TO YOUR VISIT