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How do Peltier elements work?

Sophie Bryant

Peltier heating and cooling systems offer precise control as well as a big energy saving when compared to traditional compressor methods.

Memmert utilise the technology in their cooled incubators (IPP) and their constant climate chambers (HPP) to offer precise and economical results.

The HPP Constant Climate chamber allows precise control of temperature and humidity, with the option of adding light - ideal for stability testing.
The HPP Constant Climate chamber allows precise control of temperature and humidity, with the option of adding light – ideal for stability testing.

Heating and Cooling

The technology offers both heating and cooling – if a voltage is placed across a Peltier element one side is cooled and the opposite side simultaneously heats up. By reversing the polarity of the supply voltage the hot and cold sides swap.

Peltier element heating and cooling method
The Peltier element offers both heating and cooling by reversing the supply voltage

Energy Efficiency

Peltier technology works well at temperatures close to ambient or room temperature, as energy is only needed if heating or cooling is needed.

This gives large energy savings when compared to traditional compressor systems, as shown in the graph below.

Graph of peltier and compressor system energy requirements
Peltier technology offers huge energy savings compared to compressor systems – especially when close to ambient temperature

Peltier elements is just one of the technologies Memmert use to ensure their range of ovens, incubators and climate control chambers deliver precise results in an energy efficient unit.

Contact us to tell us what you need in a lab oven, incubator or climate control chamber

 

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