A Basic Introduction to Thermoelectric Coolers

Within many industries including medicine, science, aerospace, telecom’s and industrial areas, the need to lower a temperature to suit certain needs is essential to the daily operation of some businesses. To do this, the use of Thermoelectric coolers is on the rise due to certain factors which sway consumers towards them rather than compressors.

In this article we’ll take a look at the basics of a thermoelectric cooler, as well as some of the benefits to them.

Buying decisions

Thermoelectric coolers are essentially ‘heat pumps’ and used where temperature change and stabilization is needed.  Compared to compressor systems which work on different parameters, the thermoelectric cooler is favored by some industries due to its green nature with thanks to them not relying on chlorofluorocarbons (a compound widely regarded as contributing to ozone decline). With the ever increasing pressure from governments to adopt green strategies, the fact that these coolers give off no noxious gasses or rely on any eye brow raising compounds is a huge plus.

The long term benefit to thermoelectric coolers is that they have no internal working parts and are extremely reliable with thanks to that. What this means is that machine maintenance and servicing costs are cut down across the board and combined with the green benefit above, thermoelectric coolers can be considered more of an investement than an impulse purchase.

How they work

A thermoelectric cooler works by the Peltier effect (link to Wikipedia), but basically a cooler of this type consists of a heat sink attached to a thermocouple. If a current is passed through a coolers thermocouple, one side of it gets hot and the other side gets cold thus meaning if the current is reversed, you can amply choose whether hot or cold air comes out.

The above means that in consumer situations, a thermoelectric cooler is a solid addition to your needs as if you go on trips of any kind (warm places like Africa, Cold places such as Canada) the versatility of the thermoelectric unit allows you to either warm somewhere up or cool it down for food storage / any other need.

Pricing

Thermoelectric coolers have varied prices which depend upon mainly two factors; the size of the unit and the brand name it carries. The first factor, the size of the unit, is measured by the amount of Watts it has. Smaller sized thermoelectric coolers of 60W can set you back above £200, however as usual shopping around is the key to finding the perfectly priced product for your needs whether they be for a cold climate or warm climate.