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What to do about frozen condensation on air conditioning unit?
The air conditioning unit has been running for almost three days now. We noticed water stains on the ceiling tiles in our basement. Upon inspection, we discovered condensation on the air conditioning pipes. We purchased foam pipe insulation sleeves and wrapped the lines on the interior of the house. Inspecting the line outside coming from the unit, there is a big chunk of ice where the pipe enters the unit and another where the pipe enters the house. These are areas where the metal is exposed.
Will this cause a problem in the functioning of the unit? We are still getting cool air. Just trying to head off any potential issues as we are going into a stretch of 90+ degree days.
8 Answers
- 1 decade agoFavorite Answer
As the previous person mentioned, air flow over the coil is very important, have you checked your filter? This easy solution is often overlooked.
- 5 years ago
A home air cooling unit may produce up to 6 gallons of water an hour if the air is very humid. If your A/C is running quite a bit, take a thermometer and measure the air temperature entering a return duct, and measure the air temperature exiting a supply duct. You should see a 20* difference. With this much water, I think your unit is doing all it can, you just have a lot of humidity where you are. Water holds a lot of heat energy. If the temperature difference is less than 18 degrees, your system is not operating at peak performance, and you should have it checked by a reputable HVAC company. The savings in energy over the summer will pay for the visit. The water that serves your hose bibs is cold-approx 56-60 degrees. The water you see may just be condensation on the pipe running along the pipe to the outside bib. If you need to verify, turn off the water main and open the hose bib to drain the water. Close the bib and watch to see if any water runs along the pipe. Turn on the water main and see if you have any leakage. Keep Kool
- Rex KLv 51 decade ago
Switch the cooling switch either off or down..Let the fan run. After a short while the ice & frost will be gone. Then you can air-condition again. If this persists, raise the cooling temp a bit, so the unit cycles off once in a while..
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- Anonymous1 decade ago
You need to turn it off. It freezes up when it is low or out of freon. Your drain pan may have overflowed from the drains being clogged. Ours used to do that and we'd get up in the attic and siphon the water from the drain pan with a long tube that we'd drain into the bathroom sink.
Keeping in mind that your a/c only cools to around 20 degrees below the outdoor temp., you may want to have it looked at soon.
- Anonymous1 decade ago
The unit probably needs to be topped off. The low side pressure should be 68 PSI.
- 1 decade ago
You need to call service man. Should have freon level checked. Also may want to check furnace or air handler to make sure enough air moving over coils. Coils may be frozen also.
- Mr. GLv 41 decade ago
shut it off for an hour, close any registers in rooms you don't need to cool. problem sounds like, you are trying to cool house that is too big for the unit you have. you are overworking the unit and it is freezing up. consult an hvac specialist, sure they will tell you the same thing... good luck
