The Grocer UK
Summary
A new ‘smart’ supermarket in Denmark has been touted as the future of energy-efficient retail. And its creators believe the technology has the potential to go worldwide.
But the reuse of excess heat created by fridges and freezers has proven the real game-changer. The excess is not only used to provide heating and hot water in the store – heating costs have fallen by up to 90% – but any residual energy is shared with residents of the surrounding town through a district energy network.
This highlights the power of excess heat, “the world’s largest untapped source of energy”, says Danfoss Climate Solutions president Jürgen Fischer.
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