RT @EamonRyan: In a local Danish supermarket we saw how they collect waste heat from fridges, leading to a 78% reduction in energy use. Their heat recovery unit connects to a district heating system, so they can buy in and sell out excess energy as needs be. #efficiency https://celsiuscity.eu/energy-optimization-in-a-supermarket-in-horuphav-denmark/

🐦🔗: https://nitter.eu/DanJoergensen/status/1536847937392848898