RESOL – Elektronische Regelungen GmbH is a German solar thermal technology company based in Hattingen, Germany. Their product lines include solar thermal controllers, pump stations, and a range of additional modules and accessories. 100% of the company is owned by its founder and General Manager, Mr. Rudolf Pfeil. RESOL was founded in Hattingen in 1977, where the founder produced the first solar controllers in his own private flat. A few years later, the enterprise moved to the neighbouring town of Sprockhövel, but moved back to Hattingen into a new building in 1998. In 2007, another new building was added, and currently (April 2009) an annexe to the first plant is being built. It will be inaugurated in summer, increasing the total plant and office space to 6,600 m². More information...
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