We will be out of country for almost whole winter. I know we got to leave
the furnace ON while we're away.
But what is the best temperature we should set on the control? We're in
mid-west Canada. In winter, temperature could be below -30C (-22F). We have
a gas furnace in basement where the water main comes in., all utilities are
in the basement including water heater and softener.
I would shut off the water and drain it down no matter what you set the
Too much possibility for something to go wrong Don't forget to turn off the
hot water heater.
One insurance company I spoke to INSISTED the water system be drained if the
house was vacant over the Winter.
Mine doesn't, but I do it anwway ..its often -20 here during Dec/Jan.
We set ours at 55oF as thats the lowest setting on our thermostat (heat pump
VS gas furnace) and my heat (electric) bills only run about $ 60/mo.
All our Ngas: water heater, cooktop and Gas F/P is shut off.
Why do you have to leave the furnace on, I dont and it gets to -15f, I
drain everything and winterize the traps, My setup with ball valves
takes me 5 minutes and its all done. I also turn the water off at the
street. Even leaving furnace on you need everything done, furnaces
break and there are power outages, unless someone will visit every day
you are at risk. A furnace is forced air, not radiators. If its left
on a freeze alarm that calls you is a good idea. Why pay to heat when
you are not there, plus you kill termites and other bugs.
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