Conservatories like tailored suits – custom-made to match your home and style. Visit our showroom to explore sliding and folding glass walls. For optimal sun protection, we offer Knecht awnings. We manufacture windows, doors, and glass facades from aluminium and steel. Special roller shutters like TRENDO effectively shade sloped glass surfaces and blend in elegantly. Motorized controls with frost protection ensure safe operation in winter. In steel construction, we build load-bearing structures for office and warehouse buildings. We also offer classic metalwork services: railings, staircases, window grilles – all custom-made.

The Riesen Building Technology AG is a company with tradition and experience. We are your specialist for building technology. Here you will find personal and competent advice. The plumbing, heating, and roofing company Arthur Riesen AG was acquired by Daniel von Mühlenen in 2003 and transformed into Riesen Building Technology AG. Riesen Building Technology AG took over all 3 employees. Son Andres successfully completed his first apprenticeship as a roofer at LWB in Bern in 2006. After his apprenticeship in 2007 as a plumbing installer at Chapuis & Zürcher AG in Bern, he deepened his professional knowledge for another year. In 2010, Andres successfully obtained his 3rd Federal professional title as a heating specialist in building technology planning at Haustechnikplanung Abbühl in Spiez. To gain further professional experience, he also worked at Böhlen AG in Bern. In 2010, Andres joined the company at 40%. Since 2012, he has been acting as managing director. He is supported by his dedicated, long-standing plumbing and heating installers as well as a trained roofer. Our Services - Plumbing - Heating - Roofing - Lightning protection - Fireplace construction - Bathtub replacement - Solar - Enamel repairs We are happy to be your contact for work around your home. Customer satisfaction is of great importance to us. We guarantee this through quality, performance, and price. The building envelope has many requirements to fulfill. We are happy to assist you. From planning to complete execution. We are professionals with appropriate training. We don't leave our customers out in the rain.

Swiss Fours Sàrl , established in 1999, is a Swiss company specializing in heating solutions using all types of fuel, including wood, pellets, oil, and gas. Chimney systems and fire protection services complement its activities. Active throughout French-speaking Switzerland, the company supports private customers, professionals, and architects in the design, installation, and maintenance of stoves, fireplaces, inserts, and wood-fired ovens, ensuring safe, high-performance systems that comply with current regulations. Thanks to strong technical expertise and a dedicated engineering office specializing in AEAI fire protection standards, Swiss Fours Sàrl works on a wide range of projects, from residential installations to commercial and professional developments. The company offers modern, aesthetic, and sustainable heating solutions tailored to the technical constraints of each building and to the comfort and energy efficiency expectations of its clients. Its approach is defined by personalized support, high standards of execution quality, and strong attention to safety, reliability, and customer satisfaction. Swiss Fours Sàrl is committed to delivering efficient, durable heating solutions that integrate seamlessly into any living space.

Private Security - Intervention - Guarding - Transport and Protection of Valuables and People Services including: • Traffic • Lodge • Events • Rounds and Patrols • Surveillance Alarm systems, Video surveillance, Access control, Intercom systems, Home automation, Connected homes