Dutch start-up converts heat into cool, without requiring energy

Signal of change / Dutch start-up converts heat into cool, without requiring energy

By Anna Simpson / 07 Mar 2019

Dutch start-up SoundEnergy has unveiled a commercially available system that converts heat into cold using technology that it describes as '100% clean: no refrigerants, no electricity, no GWP and no CO2'. 


The system, marketed as THEAC-25, uses thermo acoustic technology, transforming heat into sound waves, and using the sound waves to produce cool air or water, reaching temperatures as low as -25°C. 


It functions as a central cooling unit in a climate control installation concept, offering a potential solution to high-energy, high-carbon and high-cost air conditioning units. 

So what?

The use of air conditioners and electric fans already accounts for about a fifth of the total electricity in buildings around the world – or 10% of all global electricity consumption, according to the International Energy Agency (IEA). The IEA estimates that by 2050, around 2/3 of the world’s households could have an air conditioner, making cooling the fastest growing use of energy in buildings. For business and consumers, this represents a significant cost. For the planet, it is a great risk.    Solutions such as SoundEnergy's can translate these costs and risks into a significant opportunity: not just to minimise the negative impacts of warming, but to make a profit through selling on cool air. But how rapidly can solutions such as SoundEnergy's scale? What are the barriers? With the technology already in use in facilities around the globe, perhaps the greatest barrier is the will to believe it actually works.    


https://www.forbes.com/sites/johnkoetsier/2019/01/18/this-dutch-startup-converts-heat-into-cold-via-a-stirling-engine-and-could-just-save-the-planet/#62733a886744    https://www.soundenergy.nl/theac-25/ 

What might the implications of this be? What related signals of change have you seen?

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