I have been reading a lot about this Euro-style of heating and cooling homes. It's pretty standard overseas but is still considered a luxury in Oz. Even on Houzz they are doing stories about it - Is Hydronic Heating Right for Your Aussie Home?
Does anyone have it installed and can speak from experience? Would you consider it in extensions or in a rebuild?
In summary, the method "uses thermostat technology to keep the chill out of the air – recirculating hot water, either in panels or in-slab, heated by LPG, natural gas or solid fuel.