Asked on Jun 09, 2012
A/C question: My outside unit runs, but no air is being pushed through the vents in the house.
by
Scott
+85
It has been about a year since my last tune up, and I am wondering if a tuneup might be all I need, in order to avoid a service call and diagnostic fee and any other charges that may come along with all that. Thanks as always for your input!
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I had a new furnace installed last fall. Then we noticed the fan on the outdoor a/c unit was running. We shut the outdoor breaker off for the winter. We just tried turning on the A/C and it works but when we switched it off at the thermostate the fan out side started running on its own again. Do you know what could cause this Thanks Betty
Have you cleaned or changed or air filter.
When i turn my ac on i can hear it come on but no air come out whats the problem?
A lil bit air comes out
Only a lil bit air is coming thru the vent i dont why its doing that
My ac compressor outside is pushing out our air and it's not coming into the apartment ?
I have an odd issue. My compressor is running and I can hear / feel air being pulled into the return, but no air is coming out of the supply vents. Any suggestions?
I don't have a inside unit
My unit is working just a dirt a little cool air was coming through then all of sudden no air at all is coming thro we just changed filters and it was working fine but then this happened
Sorry, your fan motor might be in need of replacement. In central Florida it's about $350 I think.
Ok, I have read and read and have not come upon my problem (and common sense says it ain't so). The entire unit is working fine.....except no air comes out of the vent. The filter is new, I have no duct dampeners and condensate tray is fine. It's like it's being blocked somehow but before I start tearing the duct system apart, any ideas? It was fine 2 hours ago. The unit I have, the heater portion sits on top of the cooling. I say the blower is working fine because there is air moving in the open compartment. I can not see the actual blade or motor spinning as this is a very small area to work in. HELP!!!
When i turn on my ac no air comes through but the outside unit is runningi dont know what the problem is. Please help me
How would i know if my air froze up
Our a.c. turns on just fine but when air starts to blow inside it's Super loud....like a loud fan/air blowing. Filter is ok.... help!!!
Do u have to have air filter so your air can work
My outside unit runs, the air handler is in attic (zone 2), zone 1 is fine. The fan does run, the termostat is fine. Can the overflow switch cause the air handler to NOT blow air, but the fan still works?
This thread has been going a long time but continues to receive regular updates and inquiries so it must be a fairly common issue.
Here's what I am experiencing: I live in central CA, summer temps routinely get to 105 and sometimes even 110, but very little humidity. The unit is a 30 year old roof mount central heat and air system, original to the house (not sure of brand). The house is about 1,600 sqft, approximately 1/2 of which has 12' vaulted ceilings.
The unit will act like it's going to turn on, but the fan never kicks on and no air comes from the vents. I checked the return vent, okay, filter a little dusty but not too bad. I replace filter, vacuum off register vent grate and try again.
Same response. Turned unit off for several hours (from about 4:30 PM to 10:00 PM) thinking maybe iced up coils. It was 103 and the unit sits in the sun all day long. Left the unit off overnight (10:00 PM to 4:30 AM), it didn't get below 75 overnight (I'm mentioning temps and times because I believe I allowed adequate time for the coils to de-ice before trying again), and the problem still persists today.
One thing that I did notice is that I do get some weak airflow coming OUT of the return vent, very cold air. If I left it on long enough, it would lower the thermostat temperature a few degrees since the thermostat is located almost directly under the return vent.
An AC company came out and performed extensive maintenance last year. Apparently there was extensive air leaks around the unit and a few parts needed replaced. They also performed a routing cleaning and whatnot.
What're your thoughts? Time to replace the unit?
I have noticed the past couple months when the unit runs, water drips from it, runs down the roof and into the rain gutters. It eventually reaches the downspout with sufficient enough volume to create a small puddle at the bottom of the down spout, if that matters or helps at all.
My home AC unit stopped blowing cause it froze up. We defrosted it,but it froze up again. My friend said it wasn't defrosted long enough so we did it for about 8hrs and then we put the panel on and it wouldn't blow cold air. It will however blow air, not really cold air but some only with the panel off.....side note we did have to clean the coils which we did but still didn't really help. Any answers
I came to this site with no air coming from vents. Fan is running. I opened the door to my inside unit and felt air coming through the door. That is not right! I located a hole in duct work. Going to see if I can repair in the morning.
My air kicks on and everything works fine. It gets down to the right temperature and cuts off as it should. When the unit turns back on, only the outside unit comes back on, the inside does not. I replaced the capacitor on the inside fan blower motor. Still nothing. If I let it sit a few hours, the whole thing works again! Frustrating!
my ac fan blower work for 7to 10 hours then stop then i will wait 2 hour to start it up again. any guest what it could b
My a.c. unit is running but not pushing any air at all!! Any suggestions..
So if the compressor turns on the thermostat is working. If the air is not moving it's a problem with the blower. Either the motor has burned out or there's an electrical problem - a bad relay or circuit breaker - that is stopping power to the blower.
Saying that no air is moving leads me to believe it's a problem with the fan or blower. The motor may be seized.
This sounds like the inside fan or the inside blower is not working. I am sorry, but it sounds like you are going to need that service call.
I agree with Ann, it sounds like a fan problem. Get the service call and try to keep an eye on what the tech does to fix the problem. But maybe you need new parts?
We had a similar problem when we first moved in; the outdoor unit wasn't connected to the indoor unit. If you've had cool air before, that might not be the issue but it does sound like you should call a pro rather than tinker with it if you don't know how these things work. You could easily accidentally do a load of damage.
Bit of advice -- have more than one company come out to take a look. We got duped by a company for something we didn't need that also didn't fix the issue. A second more reputable company informed us and fixed both problems for far less.
Hi Scott, if you have not diagnosed this yet, Condenser Unit is Blocked If your air conditioner is running, but not lowering temperatures inside, one issue could be a blocked or clogged condenser coil. When operating correctly, the condenser fan draws air into the outdoor unit through the condenser coil to pull heat energy out of your home.
Check your trunk line
Hi Scott, have a question to ask u .My A/C is working outside and inside and there is some cold air coming through vents but not like it usually does. I have changed the filter the other day and it still is not better. I can feel the real cold air if I put my hand to the vent and but it's like it is not being fully being pushed out . I thought maybe blower motor. Do u have suggestions on this please. Thank you so much for ur help .
My bad not Scott.
One possible reason for this problem is that there may be an issue with the blower motor or the fan that is responsible for moving the air through the system.
If the motor is faulty or the fan is not spinning, then the unit will not be able to blow air.
In addition, it is possible that the thermostat is faulty, and it is not sending the correct signal to the air conditioning unit to turn on the fan.
A problem with the ductwork is also possible that it can be leaky and not properly insulated, which can lead to air loss and poor airflow.
https://thermostating.com/outside-ac-unit-running-but-no-air-blowing-inside-fixed/
The reasons why the air conditioner does not cool the room - sorting from the most common reasons to the rarer ones.
The indoor unit filter is clogged with dust. In this case, a dirty air conditioner filter does not allow air to pass through. Air does not pass - it means it does not cool;
The winding of the fan of the indoor unit burned out. The blades don't rotate fast enough for the air to take all the cold away from the radiator;
Compressor start capacitor burnt out. In this case, the external unit does not start. In this case, the indoor unit works as a fan - the air conditioner works, but does not cool;
There is no freon in the system. As a result of the leak, a shortage of freon was formed. Out of ten calls for repairs, there is only one refueling;
Air conditioner refilled with freon. Increased freon pressure as a result of a refueling error;
The outdoor unit is protected against overheating. For example, it can be clogged with dust, feathers or poplar fluff, or it can be installed on a closed balcony. Due to insufficient circulation of fresh air around it, the unit will overheat and turn off.
My AC unit outside is running but no air is blowing in my vents
Sounds as if a filter is clogged up!
My house was super cold and AC was working wonderfully. Then, next day nothing. I changed the filters, cleaned the outside unit, followed reset instructions. Turned it back on and the fan wouldn't turn. I took a metal file and turned it. It immediately started spinning fast and air started coming through. About 30 minutes later it stopped again. The unit outside. What are my options? The unit isn't old. The repair guys charge us an arm and a leg to only reset it.
I had something similar happen last summer. My outside unit was running, but no air was coming through the vents. Turned out, my filter was super clogged. Once I changed it, the airflow came back. If that doesn’t do the trick, it could be the blower motor. If you’re handy, you might be able to check that yourself. Otherwise, a tune-up could help if it’s been a while.