Low-lying fog machines are sometimes called fog chillers, and this is so for a good reason. As the name suggests, these machines cool down the fog. You might remember this from your science classes back in the day; hot air rises and cool air sinks. It is commonly used in events such as birthday parties, weddings and other holidays. It adds a "wow" factor to every event. Although fog machines seem like complicated contraptions, they are actually pretty easy to set up. Fog machines, like most gadgets and devices, comes with a manual or an instruction booklet. You should give it a good read and familiarise with the features of your fog machine. Here are some tips that pays to keep in mind while assembling your fog machine.