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How Portable Cold Storage Actually Works

Icecool Trailers Ltd - 02-Jul-2014
portable cold storage

The principle of refrigeration is not actually based on introducing cold air in order to keep objects inside cold. Rather, it is based on removing heat. It is a three-step process that works as follows:

1. A compressor removes heat from the ambient air inside the refrigerator trailer.
2. As the ambient temperature drops, heat is drawn away from food products and into the air.
3. The compressor then draws out that heat.

Today's refrigeration trailers use a number of refrigerant chemicals that are great at absorbing heat. By circulating air through those compressors, an operator can accurately control the temperature inside a trailer or freezer unit to within a couple of degrees. It is quite remarkable when you consider how far we have come since the early days of refrigeration.

Original Refrigeration

The earliest form of refrigeration recorded in history involved the use of snow and ice to keep things cool. That makes a lot of sense during the winter months when both are readily available. Nevertheless, what about during the summer? After all, that's when refrigeration is most needed.

It turns out that the early pioneers of refrigeration used to dig holes in the ground and line them with straw or another insulating material. Then they would pack the holes with ice or snow and cover them up. It wasn't a perfect solution, but it did preserve the ice and snow for use throughout the summer months. As technology advanced, digging holes in the ground was replaced by building ice houses.

It was not until the mid-1700s that scientists began experimenting with man-made vacuums and compressors. However, it did not take long to create the early refrigeration units that paved the way for what we use today. In fact, the first household refrigerators were introduced at the turn of the 20th century.

Refrigeration When You Need It

Thanks to some very curious minds and a little innovation, what started out as an experiment has given rise to the refrigeration trailers that we use in the modern world. Portable, temporary refrigeration is now possible for both planned and emergency events. Just call Icecool Trailers (01635 250 950) to have your portable refrigerator or freezer delivered right to your site at a price you can afford. We provide both refrigerators and freezers for portable cold storage needs in London, the Thames Valley, South Wales, the Midlands and beyond.

Each of our units comes complete with lighting, shelves, and lockable doors. For interior spaces where trailers are not appropriate, we also offer cold and freezer rooms. Please call and speak to one of our cold storage specialists in order to determine what is best for you. Then sit back and let us take care of the rest.

Some of the most frequently asked questions re our mobile refrigeration units, fridge trailers and cold rooms:-

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