Melbourne Bay Air specializes in quality installations and after-sales servicing and repairs of all types of heating and air-conditioning systems, across many sectors of the market, including apartment buildings, bayside residential properties, townhouses, commercial sites and rental property installation and maintenance. Melbourne Bay Air, an integral part of the Rosanna Heating and Cooling Group of Companies founded in 1944 and now established as one of Melbourne’s oldest and most trusted heating and air conditioning suppliers.