Post by Hitachi Cooling & Heating Chiller Solutions

❄️Beating Summer Heat with Hitachi's High‑Efficiency Centrifugal Chillers   In many commercial and industrial buildings, cooling energy consumption far exceeds heating, with HVAC systems accounting for 40‑60% of total building energy use – and chiller performance is the deciding factor for low‑carbon operations. As summer heatwaves intensify, Hitachi Cooling & Heating offers a proven answer: our centrifugal chiller portfolio, featuring three series (S, VG, VM) and five core technologies, delivers stable, energy‑saving cooling even under extreme high‑temperature conditions.   Our key innovations include JIS‑compliant surge protection, two‑stage compression for no capacity drop at high ambient temperatures, adaptive control to prevent shutdowns, high‑efficiency permanent magnet motors (up to 98% efficiency), and patented oil‑return technology that enhances heat exchange. These enable our VM series to achieve COP up to 7.0 and IPLV up to 11.42, while the VG series offers direct‑drive variable frequency for precision applications like pharmaceuticals and data centres.   Real‑world results speak volumes: at Fujian Xintai Advanced Materials, two VM chillers (800RT total) maintain stable, surge‑free operation year‑round in a hot coastal region, reducing maintenance costs. At Sichuan Kelun Pharmaceutical, two VG units (1,100RT total) ensure precise temperature control for sterile production, cutting energy consumption significantly. From material science to medicine, Hitachi chillers are helping industries cut carbon and costs – even when the mercury rises.   #HitachiCoolingAndHeating #HitachiChillersandSolutions #CentrifugalChillers #EnergyEfficiency #SummerCooling #HVAC #Sustainability #HighTemperatureSolutions #CarbonReduction