As a homeowner in the EU just starting an ecological home renovation, the biggest obstacle to heat pump adoption BY FAR is that you have to rip up your floors and install in-floor heating to deal with the lower warm-side operating temperature of heat pumps. At least that's what homeowners are being told here by tradesmen. Your two choices are to stay on natural gas or embark on a renovation that may end up costing as much as your entire house.