Wirklich gute Anlage zu einem Superpreis. Die Montage erfolgte durch den Lieferanten selbst. Die Arbeit des sehr freundlichen Monteurs war sauber und sehr gut. Kann den Monteur, aber auch die Firma nur bestens weiterempfehlen.

Keller + Hofer AG is a trusted provider of heating and sanitary solutions. The company specializes in efficient heating systems, heat pumps, solar and wood-based technologies, as well as high-quality sanitary installations. Services include planning, installation, modernization, maintenance, repairs, and emergency support for new builds and renovations. The focus: reliable, sustainable building technology delivered with technical expertise, clean execution, and strong customer commitment.