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re: A/C issues... help

Posted on 6/3/19 at 1:49 am to
Posted by idlewatcher
Planet Arium
Member since Jan 2012
96115 posts
Posted on 6/3/19 at 1:49 am to
Agree @ the bearings. I had a similar problem and was able to re-oil them through the oiling hole. Works just fine now and no noise.
Posted by jmarto1
Houma, LA/ Las Vegas, NV
Member since Mar 2008
38574 posts
Posted on 6/3/19 at 7:09 am to
Nail on head. Louisianans try to cool their house to 65 degrees and wonder why their ac always has problems and their bill is $300
Posted by the paradigm
Moon Township, PA
Member since Sep 2017
5417 posts
Posted on 6/3/19 at 7:20 am to
Just woke up and it's 75. The air is blowing out of the vents, but it's not cold, just room temp.
Posted by Chuker
St George, Louisiana
Member since Nov 2015
7544 posts
Posted on 6/3/19 at 7:31 am to
Might be the condenser fan isn't spinning near as fast as it should because of the bad bearings and thus not removing enough heat from the refrigerant.

Or, and you don't want to hear this, the fan failed and the compressor sat there running without an operating fan and it damaged itself. Hopefully its just your fan needing replacing though.
Posted by the paradigm
Moon Township, PA
Member since Sep 2017
5417 posts
Posted on 6/3/19 at 7:49 am to
It's a two-story house and it isn't cooling up there either
This post was edited on 6/3/19 at 9:09 am
Posted by jmarto1
Houma, LA/ Las Vegas, NV
Member since Mar 2008
38574 posts
Posted on 6/3/19 at 9:01 am to
It is only there because the sun is just rising. What is working isn't enough for the house. Time to pay up unfortunately.
Posted by the paradigm
Moon Township, PA
Member since Sep 2017
5417 posts
Posted on 6/3/19 at 9:08 am to
I turned it off for a couple hours, now I turned it back on and it's blowing cold again. A/C tech is on the way.
Posted by Perrydawg
Middle Ga Area
Member since Jan 2014
5127 posts
Posted on 6/3/19 at 10:10 am to
if you turned it off and now it is cooling, would seem to be an issue with it freezing up. Ice has melted and now cooling again which would be low on freon typically
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5801 posts
Posted on 6/3/19 at 10:44 am to
As others have stated, high pitched noise from the condensing unit suggest a failing fan - bearings/bushings. Had to replace mine this past spring for this same problem, fortunately it wasn’t exceedingly hot so I ordered a OEM fan online and replaced it myself. Replaced the capacitor as well even though the old was still good.

Good you have a HVAC tech coming as he can thoroughly go over the entire system. If it is the fan, many Techs will also replace the capacitor, unless it is new. I’d have them change the capacitor, even if the old one is good, and keep that as an emergency spare, just in case.
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5801 posts
Posted on 6/3/19 at 10:48 am to
quote:

Don't forget residential AC is only designed to cool your home's air up to 20 degrees cooler than whatever the temperature is outside. So it would be perfectly normal as temperatures creep towards 100 degrees, for your AC to max around 80. That's the best some average units are capable of... they aren't an unlimited source of cold air like some may think when they dial in 60 on the thermostat when it's 98 outside....not gonna happen... ..even 70 just isn't possible for many home's AC's when it's 96-98 degrees


Spot on. Many don’t know or understand this.
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