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Old 06-16-2012, 08:04 PM   #1
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Air Conditioner works but air isn't cool


Hoping to get some help here and perhaps help some others who might be in my situation. I believe my air conditioner is working fine. A tech came by a few days ago to replace my condenser fan but it wasn't hot that day so I couldn't really test out the system.

It was very hot today and my thermostat stayed at 27C (80.6F) for the entire day with the AC blasted. The air was "cool" at best...

Attaching a picture of my air exchanger.. hopefully this can help diagnose my issue:
1: Smaller blue circle at the bottom right: a pipe that's about 3/4"in diameter.. this pipe is frigid cold
2. Red circle at the bottom right: a pipe that's about 1/2" in diameter.. this pipe is warmish / room temperature most of the time
3. Large green circle near the top: a huge cylinder about 1' in diameter.. this "pipe" is not frigid cold but it is still quite cold to the touch (colder than cool)

Any ideas as to what's wrong with the system? Any suggestions? Would changing the air filter make a drastic difference? I hasn't been changed for a year but the tech said it could last for another month..

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Air Conditioner works but air isn't cool-ac2.jpg  


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Old 06-16-2012, 08:14 PM   #2
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Call back the tech....the best you can do right now



**Always kill the power ** Hot air rises, but heat will always move from higher to lower temperatures. ** Real man shoot in manual. ** If it ain't grounded, it ain't dead.
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Old 06-16-2012, 11:49 PM   #3
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What is the Delta T ? ( The difference between cold register air temp and return air temp)
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