Free cooling chiller

Kaltra R513a chillers now available

Following the recent announcement of its first R513a-compatible chiller range, Kaltra has revealed the availability of its Lightstream Freecool inverter-driven chillers with refrigerant R513a in addition to regular R134a and low-GWP R1234ze.

Being a binary mixture of R1234yf and R134a, R513a has a GWP value of about 570 and carries the ASHRAE flammability classification of A1. Compared to R134a, the new R513a free cooling chillers demonstrate 4% higher capacity and the same working efficiency.

In Europe, Lightstream Freecool chillers charged with refrigerant R513a are available with cooling capacities from 600 to 1250 kW.

Headquartered in Germany, Kaltra Innovativtechnik GmbH designs, develops, and manufactures air conditioning and refrigeration equipment and systems. The company offers air-cooled, water-cooled, and free cooling chillersprecision air conditionersIT cooling systems, including room-, rack- and row-based solutions, and energy management solutions. It also designs and manufactures air-cooled condensersdry coolers, and cooling units for special applications. Additionally, Kaltra offers microchannel heat exchangers for condenser, evaporator, and water cooling and heating applications, as well as aluminium coils for small cooling applications. All Kaltra products are engineered with the clear objective of improving energy efficiency and reducing total cost of ownership.

For more information on Kaltra and its products call +49 911 715-32021 or visit