Dehumidifiers An appliance to dehumidify air in homes and buildings uses a refrigeration unit by first passing the air to be dehumidified through the cold evaporator coil of the system, where the air is both cooled and dehumidified. Then this cool air flows over the condenser and is discharged to the room. Ice makers The production of ice may take place in domestic refrigerators, ice makers serving restaurants and motels, and large industrial ice makers serving food-processing and chemical plants.

Ice-skating rinks Skaters, hockey players, and curlers cannot rely upon the weather to provide the cold temperatures necessary to freeze the water in their ice rinks. Pipes carrying cold refrigerant or brine are therefore embedded in a fill of sarid or sawdust, over which water is poured and frozen.

Construction Refrigeration is sometimes used to freeze soil to facilitate excavations. A further use of refrigeration is in cooling huge masses of concrete15 (the chemical reaction which occurs during hardening gives off heat, which must be removed so that it cannot cause expansion and stress the concrete). Concrete may be cooled by chilling the sand, gravel, water, and cement before mixing, and by embedding chilled-water pipes in the concrete. Desalting of seawater One of the methods available for desalination of seawater is to freeze relatively salt-free ice from the seawater, separate the ice, and remelt it to redeem fresh water.