Large commercial refrigerated space kept below room temperature. Often found in large supermarkets or wholesale distribution centres.

Use of water to melt ice and frost from evaporator during off-cycle

Condensing unit which is cooled through use of water

Unit of electrical power

Ingredient in many lubricating oils which may separate out if cooled sufficiently

Device used in measurement of relative humidity.

Commonly used when referring to airconditioners which are placed in a window. Normally a domestic application.