Dönni Solar & Bau provides customized solar solutions for residential and commercial clients. From consultation and planning to the installation of photovoltaic systems, we focus on sustainable energy and top-quality service. Our expertise includes roof renovation, building technology, and energy efficiency solutions. Benefit from eco-friendly solar power and optimize your energy costs. With cutting-edge technology and years of experience, we help you transition to renewable energy.

NS Elektro is a modern electrical engineering company specializing in professional installations, photovoltaic solutions, and building technology. The company serves residential, commercial, and industrial clients – from planning and installation to maintenance. Whether new construction, renovation, or smart home integration, NS Elektro stands for precision, reliability, and sustainable energy solutions. With expertise, efficiency, and innovation, NS Elektro delivers electrical systems that combine performance, safety, and future-oriented technology.

Professionelle Dienstleistungen, Preis-Leistungsverhältnis Top und kompetentes Personal

Elektro Calonder AG is your local electrician in Eastern Switzerland, serving Romanshorn, Salmsach, Kreuzlingen, Egnach and nearby areas. We provide 24/7 call-out service, electrical installations for renovations and new builds, structured cabling, telecom and IT networking, building automation (Loxone), photovoltaics, EV charging, battery storage, home appliances supply and installation, plus professional fryer service for hospitality. Dedicated service teams and fully equipped vans ensure safe, efficient and future-ready systems from the outlet to full energy management.

Elektro Calonder AG is your local electrician in Eastern Switzerland, serving Romanshorn, Salmsach, Kreuzlingen, Egnach and nearby areas. We provide 24/7 call-out service, electrical installations for renovations and new builds, structured cabling, telecom and IT networking, building automation (Loxone), photovoltaics, EV charging, battery storage, home appliances supply and installation, plus professional fryer service for hospitality. Dedicated service teams and fully equipped vans ensure safe, efficient and future-ready systems from the outlet to full energy management.