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The heat pump is becoming an increasingly popular product in the air conditioning sector. Although considered a new technology, the first traces of the heat pump as we know it today are attributed to the 18th century. There are several names that collaborated in the invention of the heat pump, from Ecoforest we would like to introduce the first precursors of this innovative technology.
In chronological order, the first person linked to the discovery of the heat pump is William Cullen, a Scottish physician and chemist. He is recognized as the first discoverer of the scientific concepts governing the production of heating and cooling.
Later in 1852, the British physicist and mathematician William Thomson, better known as Lord Kelvin, described the theoretical basis for the operation of the heat pump and was the first to state that heat can flow from the cold zone to the hot zone simply by means of an energy input, thinking at first of refrigeration applications.
A few years later, in 1856, the Czech mining engineer Peter von Rittinger manufactured the first heat pump by applying the principles developed by his predecessors. Moreover, it does so purely for practical reasons: to find suitable equipment for drying the salt in the brines in Austria. With this, he calculated a saving of around 300,000 m2 of firewood, thus reducing economic costs and environmental impact. Currently, there are Rittinger Awards that highlight contributions to the advancement of international collaboration in research, policy development and applications for heat pump technologies, being one of the most prestigious awards in the HVAC sector.
Finally, it is worth mentioning the American inventor Robert C. Webber, who is credited with creating the first geothermal heat pump in the late 1940s while experimenting with his old refrigerator.
Since its inception, many efforts have been invested in the development of the heat pump, which continues to undergo constant innovation. We find in today’s market different equipment that may vary in terms of functionality, but all of them maintain the basic thermodynamic principles of something as common as a refrigerator.
