A minibar is a small refrigerator, usually an absorbent refrigerator, in a luxurious hotel room. Hotel staff fill it with drinks and snacks for guests to purchase during their stay. It's filled with the right inventory, with a price list. Guests are charged for items consumed at check-out from the hotel. Some new minibars use infrared or other automated methods to record purchases. It detects deletion of items, and charges guest's credit card immediately, even if the item is not consumed. This is done to prevent product loss, theft, and lost revenue.
The minibar is usually filled with small bottles of alcoholic drinks, juices, and other soft drinks. There may also be sweets, cookies, biscuits and other snacks. Prices are generally very high compared to similar items purchased from the store, because guests pay for easy direct access and also bar maintenance. Prices vary, but not common for one can of non-alcoholic beverages at a cost of 6-10Ã, USD.
The world's first minibar was introduced at the Hong Kong Hilton Hotel by manager Robert Arnold in 1974. In the months after the introduction of in-room beverage sales jumped 500%, and overall annual revenue of Hong Kong Hilton was boosted by 5%. The following year, the Hilton group unveiled the concept of a minibar in all its hotels.
Video Minibar
From the absorption refrigeration unit to the compressor
Usually the minibar cooling unit is different from the standard refrigerator, using absorption technology. An Italian company was the first manufacturer to install a mini-fridge compressor at the NASA Space Shuttle in 1982. A compressor refrigeration unit, in addition to timers and eutectic plates, enables more energy savings, compared to traditional absorption minerals.
Maps Minibar
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Source of the article : Wikipedia