my daughter is thinking of buying a house, in the Montreal Quebec area, that was under renovation but the owners ran out of money. The problem is that the house was left in a state where much of the insulation was removed and the heating (oil hot air furnace) was turned off. The water was turned off at the entry point. The temperature in the house now matches the outside temperature so rises and falls with the weather conditions. My question is, is this a problem? I have spoken to several contractors locally but get answers from "no problem" to "run as far away as possible as the foundation and basement floor will be damaged and will have to be replaced". The price is realy good but not if the foundation work needs doing. Would you advise starting the heating asap and if yes to what temperature?