Radiators powered by excess computing energy are heating homes for free


Is this stupid or ingenious?

French company Qarnot has developed small devices known as Q.rads, tiny remote computers that when networked together have the capacity to provide a cloud computing service to companies.

The heat generated by the Q.rads, which are situated in residential and public buildings, is then used to heat the buildings, cutting the occupants’ utility bills and providing an outlet for the excess energy generated by computer servers. 

‘the concept of doing more with less, an idea known as frugal innovation’

1 Comment

  1. maryjane says:

    thank you for this.


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