Top 1 SaaS Companies in Hattingen, Germany, May 2026

Hattingen, Germany

Nature as ideal Solar thermal technology taps the infinite energy resources of the sun to face the ecological responsibility of tomorrow. The RESOL product range includes a range of high-class solar thermal and heating controllers as well as a broad variety of accessories for the efficient use of energy. All RESOL products are future-oriented, sophisticated and unique in their design. Just like our ideal: nature! Strong roots to grow Ever since the founding of RESOL in 1977, Rudolf Pfeil has been managing the enterprise. What began as a pioneer company in the solar business, developed into the market leader with 150 employees and a worldwide network of distributors. Today, RESOL products optimise the efficient use of more than 3 million systems in over 60 countries. Traditional values such as honesty, respect and responsibility are the basis for success and continuity in all external and internal relations. We set standards Sustainable growth prospers on a solid basis