People need cooling as temperatures rise. But how do they get it without increasing emissions? Danish engineering company Danfoss offered an answer at COP27 in Sharm el-Sheikh.
Rasmus Abildgaard Kristensen, Vice President & Head of Public Affairs, Danfoss Group Communication & Sustainability, urged world leaders to act on this knowledge at a panel debate taking place alongside COP27 in Sharm el-Sheikh, Egypt, Tuesday.
“District cooling is extremely effective in urban areas and typically reaches efficiency levels that are five or ten times higher than individual cooling systems. It offers benefits from an urban planning perspective, too: it takes up less space and reduces noise levels from buildings where individual air-conditioners are no longer necessary as cooling is created at a central plant,” says Rasmus Abildgaard Kristensen.
He explains that air conditioners also emit excess heat when they operate. And, in densely populated areas with individual air conditioners operating inside thousands of buildings, this puts further pressure on temperature levels with each building’s air conditioning system emitting its excess heat outside.
District cooling is based on chilled water running through insulated underground pipes and can be powered by electricity. If this electricity comes from renewable sources such as solar or wind, it will make a significant contribution to the decarbonization of cooling.
With district cooling, you also get higher levels of flexibility. It allows you to use the electricity generated on a stormy or sunny day to create cold water. And you can then store this cold water in thermal or ice tanks for use when the sun is not shining and the wind is not blowing.
“If cities in the Global South combine district energy from renewable resources with higher energy efficiency in buildings, they can provide cooling to their citizens without sacrificing climate goals,” says Rasmus Abildgaard Kristensen.
How Danfoss wants hot cities to cool down
Wed Nov 16 08:48:55 CST 2022
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Editor: Amanda
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- 2 RACC Exhibitor Recommendation|A professional manufacturer of film capacitors, Ningbo Shige Electronic Technology Co., Ltd. invites you to visit RACC 2024
- 3 AHP Exhibitor Recommendation | : Intemotion Technology Wuxi CO.,LTD, will be exhibiting at the AHP Expo 2024.
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