The ZEN-International group of renewable energycompanies was established in 1998, but builds on experience and expertise of solar thermal technology since the late seventies. ZEN-International acts as a network organization with a central production facility and a number of sales organizations in Europe and North America. At the moment ZEN is on the market of energy and renewable energy in the Netherlands, Belgium, Ireland, the UK and Canada. Since 2006 ZEN Renewables has gradually expanded the product range to a total renewable energy solution provider for build environment and industry. Besides Solar water heating, the ZEN Group also provides PV systems, heat pumps, district heating systems and sophisticated heat-exchanger systems.
At this moment the ZEN Group employs over 60employees and had a 20 mln+ turnover in 2008.
The ZEN Compact heat pump is a combined unit capable of providing space heating, hot water and ventilation heat recovery requirements in one compact solution. Additionally ZEN can offer a range of air and ground source heat pumps in various sizes.
Solar Thermal Drain-back (DB) System
The ZEN solar thermal drain-back (DB) system is optimised to work in a western European climate and has proven to be an efficient and reliable system, with some of the first examples still functioning after having been installed in the late 1970's. The ZEN DB system has a range of different sized flat plate collectors that are fitted with an in-roof system and can be supplied complete with a range of different sized ZEN thermal stores.