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How does a drinks vending machine keep drinks cold?


Vending machines keep drinks cold through the process of refrigeration. Once the desired temperature is set, the machine’s inbuilt sensors maintain a steady temperature by regulating the flow of compressed gas through a condenser and expansion device to cool the air inside the cabinet. Electricity is used in the compression process. However, a new style of vending machine is currently being developed in Asia which may revolutionise the efficiency of cooling vending machines. This model only needs to refrigerate at night (when power is cheapest) and is then turned off for up to 16 hours during the day. The drinks remain cold through a sophisticated process of vacuum insulation.

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An additional question: Respond to this Question

  • How much energy does a vending machine consume?
  • Can I save energy by unplugging my vending machines on weekends and holidays?
  • What are my options for restocking and servicing my vending machine?
  • What sort of cleaning/disinfecting is required for vending machines?
  • Are compact/tabletop vending machines available?
  • What’s the best way to deal with users who lose money in my vending machine?
  • What’s the difference between self-managed and fully-managed service vending machines?
  • Which payment method is more user-friendly: coins or rechargeable cards?
  • Which is the most fraud-proof type of vending machine?
  • What infrastructure is required to install a vending machine?
  • Can I move my vending machine from one room to another?