Grünenwald AG

About

Founded in 1991, Grünenwald AG is a private headquartered in Otelfingen, Switzerland with approximately 50-200 employees specializing in Geothermal, Solar.

Grünenwald AG is a renewable energy and heating solutions provider established over 33 years ago. The company specializes in heat pump planning, installation, and maintenance; deep geothermal drilling for heat exchangers; and photovoltaic systems. They operate the smallest geothermal drill rig in Switzerland, capable of accessing confined spaces. With 15 service technicians, they serve approximately 15,000 private and commercial customers across Switzerland, offering 24-hour emergency response and ongoing system maintenance.