Alter AHUs are available in both horizontal and vertical configuration with a variety of discharge arrangement. Each unit is designed to meet any space or duct requirements and available with a choice of accessories such as filer section, mixing box section, face & bypass damper, etc.
Alter Air-conditioning Company Ltd. was established in 1991 as a joint-venture company with a Japanese parent company in Thailand to serve the Japanese market only. At the end of 2003, Alter decided to serve the local Thai and international market comprehensively with newer technology from European manufacturers.