Two KEYTER products awarded at the Gallery of Innovation 2017 | Air conditioning and Refrigeration (IFEMA) The Gallery of Innovation of CLIMATIZATION AND REFRIGERATION 2017 highlighted twelve last generation equipment and solutions, among which were two KEYTER developments. KEYTER Versia KRH 1090. Compact and reversible heat pump for primary air treatment and installation in false ceiling in commercial premises, condensed by air with the extraction air. Designed with R452B refrigerant with GWP 676 and low A2L flammability. These are single-circuit units equipped with Maneurop DSH compressors which have intermediate discharge valves and a Variable Refrigerant Capacity. (VRC) circuit. The impulsion and exhaust ventilation is handled with variable speed plug fans. KEYTER Langia KZB HFO. Another awarded KEYTER product are the KEYTER LANGIA KZB reversible heat pumps and chillers. They are compact water-water units for refrigeration and air-conditioning applications or for water heat pump applications with water-condensation and ecological low global warming potential (GWP) refrigerant based on hydrofluorolefin family chemistry (HFO), R1234ze.