What is the minmum warmth you should save the thermostat on to maintain the pipes from freezing.? ...
Answers: 55 Degrees will keep the house not dangerous.
5 Degrees celsius will allow for the ebb and flow of heat to now and then drop below freezing.
You'll have significant force savings, though, and a mode bigger margin of safekeeping if you go for in the order of 15 degrees. this extra heat helps stockpile a bit incase you carry a one hour power failurure, or sudden extreme cold snap.