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Oxford study proves heat pumps triumph over fossil fuels in the cold
(www.nationalobserver.com)
This is a most excellent place for technology news and articles.
Ah yeah that's a different story then. However I've never heard of in-floor cooling before. I wonder how effective it would be since heat rises? I think you'd just have a cool floor and hot muggy air. Also the floor would condense water constantly so your floor would be slippery and if you have carpet it would be wet / damp constantly.
It's a thing but you take really can't cool down a lot due to the reasons you mention.