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Re: thermostat setting James Sweet 01-05-2008
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Posted by James Sweet on January 5, 2008, 3:19 am

> My thermostat runs my furnace about once every hour when it is 20
> degrees and I am thinking about adjusting the swing on the thermostat
> to a lower number so that the system keeps a more consistent temp. Is
> this going to cost me more in gas. The swing will allow the system
> (set at 62 for heat) to come on at 61 and run it up to 63. So the
> swing is 3 degrees. I figure I might go to 2 or one to cycle the
> system more and be more consistent temp. Any thoughts?


Give it a try and see what happens. It sounds like your furnace is oversized
though, ideally on the coldest days you ever see, it should run nearly
constantly to maintain the desired temperature, though 61F is much colder
than usual, I would size it to maintain 70 so you have a bit of margin.



Posted by Glenn on January 5, 2008, 1:06 pm
I like even heat and cooling. I have an up to date
thermostat that can be set to 0.2 of a degree. The
heat comes on often that way but I waste not one BTU of
heat because I run the fan 24/7. Having it set that
way with auto fan will waste some heat because the
plenum has to pre-heat before the blower comes on. Not
a lot of waste but some.


>
>> My thermostat runs my furnace about once every hour
>> when it is 20
>> degrees and I am thinking about adjusting the swing
>> on the thermostat
>> to a lower number so that the system keeps a more
>> consistent temp. Is
>> this going to cost me more in gas. The swing will
>> allow the system
>> (set at 62 for heat) to come on at 61 and run it up
>> to 63. So the
>> swing is 3 degrees. I figure I might go to 2 or one
>> to cycle the
>> system more and be more consistent temp. Any
>> thoughts?
>


Posted by CJT on January 5, 2008, 9:06 pm
Glenn wrote:

> I like even heat and cooling. I have an up to date thermostat that can
> be set to 0.2 of a degree. The heat comes on often that way but I waste
> not one BTU of heat because I run the fan 24/7. Having it set that way
> with auto fan will waste some heat because the plenum has to pre-heat
> before the blower comes on. Not a lot of waste but some.

Running the fan 24/7 costs money, too.

>
>
>
>>
>>
>>> My thermostat runs my furnace about once every hour when it is 20
>>> degrees and I am thinking about adjusting the swing on the thermostat
>>> to a lower number so that the system keeps a more consistent temp. Is
>>> this going to cost me more in gas. The swing will allow the system
>>> (set at 62 for heat) to come on at 61 and run it up to 63. So the
>>> swing is 3 degrees. I figure I might go to 2 or one to cycle the
>>> system more and be more consistent temp. Any thoughts?
>>
>>
>


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Posted by Glenn on January 6, 2008, 12:40 pm

> Glenn wrote:
>
>> I like even heat and cooling. I have an up to date
>> thermostat that can be set to 0.2 of a degree. The
>> heat comes on often that way but I waste not one BTU
>> of heat because I run the fan 24/7. Having it set
>> that way with auto fan will waste some heat because
>> the plenum has to pre-heat before the blower comes
>> on. Not a lot of waste but some.
>
> Running the fan 24/7 costs money, too.

Most electricians say the difference in the starting
windings usage and running 24/7 about balance out so
why not be comfy.





Posted by CJT on January 6, 2008, 9:45 pm
Glenn wrote:

>
>
>> Glenn wrote:
>>
>>> I like even heat and cooling. I have an up to date thermostat that
>>> can be set to 0.2 of a degree. The heat comes on often that way but
>>> I waste not one BTU of heat because I run the fan 24/7. Having it
>>> set that way with auto fan will waste some heat because the plenum
>>> has to pre-heat before the blower comes on. Not a lot of waste but
>>> some.
>>
>>
>> Running the fan 24/7 costs money, too.
>
>
> Most electricians say the difference in the starting windings usage and
> running 24/7 about balance out so why not be comfy.
>
>
>
>
I doubt "most electricians" say that, and if they do, they're wrong.

--
The e-mail address in our reply-to line is reversed in an attempt to
minimize spam. Our true address is of the form che...@prodigy.net.

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