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Heat-Pump + Aux + baseboards, and programmable thermostats. bercy46 02-13-2007
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Posted by on February 13, 2007, 10:09 am
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.


Posted by on February 13, 2007, 11:40 am
bercy46@gmail.com wrote:

>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 ?


yes



>
>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 ?


yes


>
>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 ?
>

yes

>Thanks for your time.


Posted by Stormin Mormon on February 13, 2007, 12:01 pm
I'm not sure about the cost of fuels. However, in NYS electric is
far more expensive than any of the petroleum fuels.

Last I knew, heat pumps don't work at all well in bitter cold.

Yes, I'd suggest to get the furnace fixed. And get a humidifier
installed. A humidifier is worth every penny, in terms of
comfort. I'd also suggest to at least get a couple quotes on
getting some fossil fuel heat of some kind.

Your heat cost is based on how much heat your home loses. When
it's colder indoors, you lose less heat. And so it costs less.

--

Christopher A. Young
You can't shout down a troll.
You have to starve them.
.

: 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.
:



Posted by Bob_Loblaw on February 13, 2007, 2:04 pm





> I'm not sure about the cost of fuels. However, in NYS electric is
> far more expensive than any of the petroleum fuels.
>
> Last I knew, heat pumps don't work at all well in bitter cold.
>
> Yes, I'd suggest to get the furnace fixed. And get a humidifier
> installed. A humidifier is worth every penny, in terms of
> comfort. I'd also suggest to at least get a couple quotes on
> getting some fossil fuel heat of some kind.
>
> Your heat cost is based on how much heat your home loses. When
> it's colder indoors, you lose less heat. And so it costs less.



Wow!
Should the rest of us be writing this stuff down??



--
Respectfully, Bob

Posted by Jeffrey Lebowski on February 14, 2007, 1:54 am

>
> Last I knew, heat pumps don't work at all well in bitter cold.
>

Definition of *bitter cold*, please...

Any cop above 1 is better than straight electric.

> Yes, I'd suggest to get the furnace fixed.

Many rooms already have setback thermostats...maybe he's fine and would be
better off closing most registers and only using the forced air in the
living room, for instance...


> And get a humidifier
> installed. A humidifier is worth every penny, in terms of
> comfort.

Then again it might be a drafty house already, why heat copious amounts of
moist air only to lose it all again via infiltration ?


> I'd also suggest to at least get a couple quotes on
> getting some fossil fuel heat of some kind.
>

You haven't even a clue about what his electric costs are.

>
> Your heat cost is based on how much heat your home loses. When
> it's colder indoors, you lose less heat. And so it costs less.
>

Nope--when it's colder outside you'll lose more heat, which all just goes to
show that you're still a fucking moron.

--






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