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.

Heat pumps The Weishaupt heat pump range. The right solution for every application. Heating systems Weishaupt condensing boilers WTC gas or WTC oil - compact. Efficient heat is not a question of space. Solar systems Combined with gas, oil or heat pump. Heat from the sun. Burners Weishaupt oil, gas and dual-fuel burners up to 17,000 kW. Patented multiflam® technology. Weishaupt products - that is reliability As the official factory representative of Max Weishaupt GmbH, we supply our customers with the technologically advanced and reliable products of our innovative partner. Sales Our dedicated teams advise you in a solution-oriented manner and with extensive experience. Your needs meet many years of expertise with us. The best conditions for happy and satisfied customers. That is our goal! Customer service Optimal operation and functionality of your system are the most important thing. In the event of an emergency, our customers rely on our on-call service, 24 hours a day, every day. Competence center Everything that helps the customer. We are happy to support you with important information and documents.