RESOL Germany has been developing and producing intelligent control technology for solar thermal systems for over 30 years now. R&D, production and support are under one roof at RESOL's. "Quality made in Germany", active in 60 countries world-wide.

At this year’s SPI show, RESOL is pleased to present the DeltaSol® MX system controller, now certified to UL and CSA standards. With its 14 relay outputs and 19 different sensor inputs, the MX is our largest and most versatile controller. It is suitable for solar thermal, heating and combined systems, offering unlimited hydronic system layouts.

For all owners of a solar thermal system whose controller is connected to the Internet via a DL3 Datalogger, there’s a new free-of-charge offer from RESOL: – the server-based Plug&Play solution for monitoring your system over the Internet.

With, Internet access to the solar thermal system is as easy as registering in an online shop. Just choose a user name and a password and open an account at with your e-mail address. Under this account, any number of DL3s can be registered. The user can then access the data from the DL3s without leaving their office – network knowledge is not required.

You can find the latest news about our products, downloadable documents and much more on the RESOL web site. Stop by for a visit at or get a first-hand impression of our products at the Solar Power International 2012, Stand 4064.

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Contact Us

Julia Pfeil

P: +49-2324-9648846

Find us at:

Orange County Convention Center Expo Halls: A - D Level: 2

Orange County Convention Center Expo Halls: A - D Level: 2
  • 4064