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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.
It definitely can. If yours can't then it's likely just the thermostat wired wrong.
It's underfloor heating, the units that do both are more expensive so there must be something different.
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.