R-717 chillers offer a natural alternative to F-gases with excellent efficiency, wide operating limits, and manageable safety risks, both in heavy duty industrial use and in commercial applications. 
Enex Technologies has developed two products with different construction, efficiency, dimensions, and maintainability to suit all needs. The heavy-duty range features an open-type screw compressor, which allows high serviceability, and an evaporative condenser, ensuring maximum efficiency, while guaranteeing a minimum refrigerant charge, thanks to the direct expansion evaporator. 
The commercial range, in addition to a direct expansion evaporator, also features a semihermetic compressor with permanent magnet motor, which reduces the risk of leaks thanks to the absence o ...