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Vehicle AC vs Home AC Conan Kelly 07-23-2008
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Posted by Conan Kelly on July 23, 2008, 5:38 pm


Hello all,



(We are in Phoenix, AZ)



A while back, my mechanic told me that I need to run the AC in my car about
once a week (even when it is not needed...ie, in the winter) because there
is oil (or somethin'-r-other) in with the ?Freon? that keeps the seals from
drying out and cracking, preventing the system from leaking.



In this regard, does home AC units work the same way?



A co-worker left for 3 weeks to get married and go on their honeymoon and
they shut their AC unit off. When they got back, it wasn't cooling. They
called a repairman out on a Sunday and had to pay steep emergency/overtime
rates. He recharged their system and then told them that the thing was
going bad and would need to be replaced. Could this have been prevented if
they had left their AC on, set to 80 or so...to prevent the minimal amount
of cycling on (they do not have a programmable thermostat)?



Thanks for any help anyone can provide,



Conan Kelly







---------------------------
"Smokin' weed kills your brain cells. Drinkin' only screws up your
liver...ya got 2 a those."
- Earl Hickey (NBC's "My Name is Earl")





Posted by KJPRO on July 23, 2008, 6:53 pm



> Hello all,
>
>
>
> (We are in Phoenix, AZ)
>
>
>
> A while back, my mechanic told me that I need to run the AC in my car
> about once a week (even when it is not needed...ie, in the winter) because
> there is oil (or somethin'-r-other) in with the ?Freon? that keeps the
> seals from drying out and cracking, preventing the system from leaking.


Oil in the refrigerant... also running in defrost mode turns on the a/c
system.


> In this regard, does home AC units work the same way?


No, as residential units don't have rubber seals or hoses that leak.
Unless you live in a manufactured home where they use AeroQuip fittings.


> A co-worker left for 3 weeks to get married and go on their honeymoon and
> they shut their AC unit off. When they got back, it wasn't cooling. They
> called a repairman out on a Sunday and had to pay steep emergency/overtime
> rates. He recharged their system and then told them that the thing was
> going bad and would need to be replaced. Could this have been prevented
> if they had left their AC on, set to 80 or so...to prevent the minimal
> amount of cycling on (they do not have a programmable thermostat)?


No, it wasn't running properly *before* they left.

BTW, when was the last time they had it looked at, before their marrage?
(poor sucker)



Posted by Conan Kelly on July 23, 2008, 9:13 pm


KJPRO,



Thanks for the feedback.



> BTW, when was the last time they had it looked at, before their marrage?
> (poor sucker)



The just bought the house back in February. I don't know if they had the
system thoroughly inspected during the home inspection for the purchasing
process. They have a home warranty that the seller paid for. Hopefully
that will cover the cost of the new system.



Thanks again for all of your help,



Conan









>
>> Hello all,
>>
>>
>>
>> (We are in Phoenix, AZ)
>>
>>
>>
>> A while back, my mechanic told me that I need to run the AC in my car
>> about once a week (even when it is not needed...ie, in the winter)
>> because there is oil (or somethin'-r-other) in with the ?Freon? that
>> keeps the seals from drying out and cracking, preventing the system from
>> leaking.
>
>
> Oil in the refrigerant... also running in defrost mode turns on the a/c
> system.
>
>
>> In this regard, does home AC units work the same way?
>
>
> No, as residential units don't have rubber seals or hoses that leak.
> Unless you live in a manufactured home where they use AeroQuip fittings.
>
>
>> A co-worker left for 3 weeks to get married and go on their honeymoon and
>> they shut their AC unit off. When they got back, it wasn't cooling.
>> They called a repairman out on a Sunday and had to pay steep
>> emergency/overtime rates. He recharged their system and then told them
>> that the thing was going bad and would need to be replaced. Could this
>> have been prevented if they had left their AC on, set to 80 or so...to
>> prevent the minimal amount of cycling on (they do not have a programmable
>> thermostat)?
>
>
> No, it wasn't running properly *before* they left.
>
> BTW, when was the last time they had it looked at, before their marrage?
> (poor sucker)
>
>



Posted by KJPRO on July 24, 2008, 12:21 am




> The just bought the house back in February. I don't know if they had the
> system thoroughly inspected during the home inspection for the purchasing
> process. They have a home warranty that the seller paid for. Hopefully
> that will cover the cost of the new system.


Nope, they (the warranty company) will just hire the cheapest hack in town
and have them patch it...



Posted by Zyp on July 24, 2008, 10:55 am


KJPRO wrote:
>
>> The just bought the house back in February. I don't know if they
>> had the system thoroughly inspected during the home inspection for
>> the purchasing process. They have a home warranty that the seller
>> paid for. Hopefully that will cover the cost of the new system.
>
>
> Nope, they (the warranty company) will just hire the cheapest hack in
> town and have them patch it...

Or fill it, which ever comes first! :)

--
Zyp



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