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Posted by Oscar_Lives on February 13, 2007, 6:45 pm
> Hi,
>
> I live in Montreal Canada. In the cold winter months, the
> temperatures usually sit between -10 Celcius and -30 Celcius from the
> end of december till the end of february, although it has been a bit
> warmer in the last few years.
>
> In july, it's usually 20 Celcius at night and 30 Celcius during the
> day.
>
> Last night, for example, it was -22 Celcius. Today, maximum of -18
> Celcius.
>
> I heat my house with three sources : a heat-pump and an electric
> furnace (installed a few years back), as well as the original
> baseboards that came with the house. The thermostats for the
> baseboards are almost all programmable, whereas the thermostat for the
> heat-pump/furnace is not programmable.
>
> Question 1 : My electric furnace has two heat strips. One of them is
> not operational at the moment. Therefore, my baseboards are working
> most of the time at this time of year, because the furnace can't
> compete by itself with the low outside temperatures. Does using half-
> my-furnace-plus-the-baseboards to heat my house account for as much
> energy as repairing-my-furnace-and-using-a-lot-less-of-my-
> baseboards ? Or am I losing a lot of money keeping my furnace in its
> crippled state ?
>
> Question 2 : Let's say that I do repair my furnace, would it be
> worthwhile to install a programmable thermostat for the heat-pump/
> furnace, and lower the temperature when we're sleeping and also when
> we're not in the house ? That would mean from 23h00 to 05h00 every
> night, and also from 07h30 to 16h30 every week day ? Or is it just
> too damn cold in Canada that bringing the temperature back up would
> consume more energy than is saved by lowering the temperature ?
>
> Question 3 : In the hot summer months, again, would having a
> programmable thermostat save me energy ? And does using these energy-
> saving periods have an effect on ambient humidity in the house ?
>
> Thanks for your time.
>
Very likely could be the issue.
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