Quote:
Originally Posted by me_dennis
If you are not getting any cold air from the registers, I would suggest going down to your furnace and checking the condenser coil. It could be frozen up due to low air flow (clogged/dirty air filter, blocked vents/registers). On really hot days, there is not enough airflow for the condenser coil to cool, so the coil just freezes up. Shut off your breaker and let the fan run for half a day to thaw out the coil.
This happened to us on Thurs/Fri during the heat wave. The air was just not cold coming out of the registers. Thawed it out on Saturday and it's working good now.
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I think my one AC suffers from this - less so during the heat wave (incoming air is so warm it keeps the coils defrosted), but on normal "warm" days, after a few hours it doesnt come out as cold and sometimes the compressor will start being loud as a SOB.
Believe it is because its at the high end of the tonnage allowed for the size of the blower in that furnace.