PowerPack GmbH offers consulting, planning, import, sales, and installation of customized battery storage systems including inverters. The company focuses on affordable, safe, and scalable energy storage solutions for homes and businesses.

Öko-Haustechnik GmbH provides professional plumbing, heating and photovoltaic solutions across Eastern Switzerland and the Rhine Valley. With over 15 years of hands-on experience, the company supports new builds, renovations and modernisation projects from planning to installation. Services include sanitary installations, modern heating systems, heat pumps, underfloor heating and solar power systems. Clients benefit from reliable workmanship, clear communication and durable, energy-efficient solutions designed for long-term comfort and sustainability.

sehr professionell und kundenorientiert. Roger Bolli hat die Erneuerung unserer Wärmepumpe super koordiniert und umgesetzt. Wir würden Bolli Heizungen jederzeit wieder engagieren. Kurt und Victoria Brändli, Malans