Air Change DOAS & Dehumidification Air Change has provided Dedicated Outdoor Air Systems (DOAS) and dehumidification solutions to local Australian and international clients for the past 20 years. Our comprehensive range of products use the latest in HVAC technology to help building designers and engineers enhance indoor climate control, air quality and energy efficiency. Air-to-air heat or energy recovery technology that minimises the energy penalty of fresh air ventilation was at the core of Air Change's inception. Since then Air Change has progressed its engineering capabilities to include sophisticated refrigeration and control systems, allowing for an innovative product range that…