A Martella Airconditioning Refrigeration & Sheetmetal Fabrication custom builds Supermarket Racks that have lower power use by using variable refrigerant flow technology. From Supermarket Cabinets to Temperature Control and Alarms to the Rack Martella have it covered.Specialist Airconditioning & Refrigeration Engineers - Supermarket Equipment, Display Cabinets, Ice Makers, Cold Stores, Wineries and more.Call us today to make an enquiry.