What is a walk-in cold room?
A walk-in cold room is an insulated panel room cooled by an evaporator and a remote condensing unit, used by restaurants, shops and food producers to store chilled or frozen stock in bulk.
Commercial Refrigeration & Air Conditioning Equipment Explained
What each type of commercial refrigeration and air conditioning equipment does, where it is used and what typically goes wrong with it.
What is a refrigerated display cabinet?
Display cabinets are open or glass-door fridges used in shops and cafés to show chilled food and drink. They are either self-contained or connected to a remote refrigeration pack.
How does a commercial ice machine work?
Water is pumped over a chilled evaporator plate or into moulds, frozen into cubes, flakes or nuggets, then released by a harvest cycle into a storage bin. Scale and dirty water are the main causes of failure, so regular cleaning and descaling matter.
What does a cellar cooler do?
A cellar cooler holds a beer cellar at around 11–13°C so cask and keg products condition and dispense properly. Faults usually show as warm cellars, fobbing beer or a unit that runs constantly.
What is a blast chiller used for?
Blast chillers rapidly bring cooked food down through the bacterial danger zone, supporting food-safety procedures in commercial kitchens.
What is the difference between split, cassette, ducted and VRF air conditioning?
A split system pairs one wall unit with one outdoor unit. A cassette sits in the ceiling and spreads air four ways. Ducted systems hide the unit in a void and deliver air through grilles. VRF/VRV systems run many indoor units from one outdoor unit and suit offices and larger buildings.
What is precision or server room air conditioning?
Precision (close-control) units hold tight temperature and humidity bands for server rooms and data centres, running continuously with redundancy.