AK Coolroom and Freezer Hire Ascot Vale. The Royal Melbourne Showgrounds is situated in Ascot Vale, Melbourne. At AK Coolroom and Freezer Hire we can vouch for our extensive work at this venue from the Royal Melbourne Show, through to the comprehensive range of food expos, music festivals and trade shows that host from this Ascot Vale site. As event security and OHS is paramount we are experienced in working towards these Worksafe requirements to ensure your refrigeration hire at the Royal Melbourne Showgrounds will be a complete success. Hosting a wide range of refrigeration products, here at AK Coolroom and Freezer Hire we will be sure to have something to suit your refrigeration hire needs.