As a holistic partner for all concerns and construction projects relating to building technology, we implement high-quality and optimized solutions in accordance with the wishes and goals of our customers. From simple heating system replacements to solar systems to complex installations, we are happy to assist you. Our solutions in the areas of heating, ventilation, air conditioning and solar collectors / photovoltaics are created in close cooperation with our sister companies (planning & engineering - s3 GmbH, execution - HSH AG) and in constant contact with the client. This enables us to accompany you from decision-making through installation to system optimization and maintenance. Our transparent approach creates systems that are not only sustainable, but also mesh seamlessly and are in harmony with the needs of the users and residents of the building.

Équipe sérieuse et compétente, très satisfait de la qualité des services, des discussions préliminaires jusqu'à la mise en service.

Who are we? esfera - your reliable provider for solar energy. Started as an architecture and real estate appraisal start-up in Bern, we have developed into a modern energy company in solar energy. Our photovoltaic systems convince not only through fast delivery times, but also through transparent processes that involve our customers at all times. Benefit from our support and always stay informed about the progress in planning, material supply and installation. With us you get the all-round carefree package!

J'ai eu recours à l'entreprise pour divers travaux tels que modification et amélioration du jardin d'hiver, réparation des chéneaux et à présent l'isolation de la façade sud et j'en suis très satisfait.

Molto competenti

Une équipe très sympathique et professionnelle!