Cooling Towers Australia Heat Exchangers WA (HEWA) is the exclusive factory-authorised representative of Evapco in Western Australia. HEWA supplies the full range of Evapco’s cooling towers, closed circuit fluid coolers, and evaporative condensers, all designed at Evapco’s Headquarters in America. Evapco designs, manufactures and assembles all main components; for Western Australian projects, HEWA can offer … Continue reading Cooling Towers