Choosing A Chest Freezer For Garage Use Many freezer manufacturers now claim that their products can also be stored in garages as well as other unheated outdoor areas. This is made possible by using a 'concealed condenser' that allows them to operate in temperatures below the -10C threshold as specified https://www.frydge.uk/products/zanussi-zcan20fw1-freestanding-chest-freezer-198l-stackable-baskets