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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 5648
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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Ac not coming out of ceiling vents. Thermostat shows a

Customer Question

ac not coming out of ceiling vents. Thermostat shows a snowflake. condesor outside is running and fan on unit is blowing hot air.
JA: Did you double-check the thermostat's settings? And what about the filters?
Customer: took filter out to see if would help. no change
JA: Do you plan on doing the work yourself?
Customer: want to troubleshoot before calling a specialist. Cant afford a service call.
JA: Anything else we should know to help you best?
Customer: thats about it
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the HVAC Technician about your situation and then connect you two.
Submitted: 3 months ago.
Category: HVAC
Expert:  Airheatman replied 3 months ago.

Feel of the large copper pipe coming from the outdoor unit going to inside coil and tell me if it is ambient temp, hot or cold

Customer: replied 3 months ago.
I can't get the front cover off. I don't have the right tools. They are in my husbands car. Can now feel some cool air coming out of some vents. Unit was iced up this am. I turned it off for several hours to thaw. Has been running 2-3 hours and no ice in the unit if that helps. Also the condenser pipe is dripping.
Expert:  Airheatman replied 3 months ago.


Icing can be caused by a number of issues:

1.Low refrigerant charge

2. Dirty ac filter

3.Indoor fan not coming on

4.Indoor blower not moving enough air acrsoss indoor coil

5.Contactors burned together in outdoor unit causing outdoor to keep running after indoor blower stops.

6.Blocked return or ductwork causing restricted air flow

7.Dity indoor coil

Give me as much information as you can about what is happening and if any of above are noticeable and we will go from here.

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