Established in 1981, Echo Air Conditioning PTY LTD is one of NSW's leading HVAC Companies, and is listed among the top dealerships for many HVAC products. Echo Air Conditioning has skilled people that specialising in: Sales, Installations, Service, Consulting and Design and construct projects We employing more than 30 people Sydney wide (Including Southern Highlands), Echo offers customers high quality products with reliable service delivery that is unparalleled in the market.