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.

INNOVATION & SUSTAINABILITY MEETS ELEGANCE Experience plumbing and roofing of the new era. Experience now OUR SERVICE Repair Service Remodeling & Planning Bathroom Remodeling Drain Cleaning Boiler Descaling Roofing Flat Roof Roof Service Customer Service Maintenance & Inspection Energy Consulting Rainwater harvesting Solar Technology Green Roofing Thermal Insulation Façade Renovation Chimney Repair Burglar protection Turnkey Construction Consulting & Planning.

Vier Plus Haustechnik GmbH in Möhlin provides a wide range of services in heating, sanitary, and building technology. Focused on sustainability and efficiency, we assist you with the planning, installation, and maintenance of your building systems. Our experienced specialists offer personalized advice and deliver high-quality solutions tailored to your needs. From energy-efficient heating systems to modern sanitary installations and maintenance of existing systems, we stand for quality and reliability. Our mission is to ensure maximum comfort and functionality for your home or business. Contact us in Möhlin to successfully complete your projects.