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Q: Why is the downstairs vents not blowing on central ac but the upstairs vents are?
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Your central air conditioner turns on but is not blowing through the vents?

If central air conditioner turns on but is not blowing through the vents, check the filter. If it is dirty, change it. Change the thermostat into cool, this will defrost the air conditioner.


What do you do if central air conditioning ducts are not blowing out strong enough to cool upstairs?

There could be a number of problems. Dirty ducts or heat exchanger. Wrong speed on the fan, or turning the wrong way. Plugged filters or vents.


Ac is blowing from all vents except front vents?

yes


When toilet is flushed upstairs the sink drain in kitchen downstairs gurgles why and how can I fix this?

What you probably need to do is snake out the vents. You probably have debris in them.1- you may have a slight blockage2- Poor venting and water Jetting will scour the piping rather then rodding


How cold should the air be blowing out of the vents when the central AC unit is running properly?

There should be at least a 12 degree split between the incomming air and the air comming out of the vents.


Why is warm air blowing from one vent closest to the air handler while all the other vents have cold air blowing from my central AC in a FL ranch house?

The electric heating elements are probably turned on.


Your thermostat is downstairs and the upstairs is hot How can you cool the upstairs?

This is just one possibility. This is what I did. We have a bi-level house and the thermostat was down stairs like yours is. What I did was move the thermostat upstairs. I was lucky though cause I was able to access the top floor through a closet down stairs and then ran it up the wall. Then the down stairs was freezing at first so what I did was close the down stairs vents some and it cools the upstairs great now. The down stairs is definitely cooler now, but the the upstairs is tons better. Hope this helps. Good luck.


Why is your ac blowing out of dash vents?

Your AC might be blowing out of dash vents on the windscreen as you might have turned the knob to that particular mode. It is also possible that the vent mechanism might be out of order or broken.


Why is your car blowing steam out of your vents?

The heater core is leaking coolant.


What does it mean when the upstairs toilet overflows onto the floor causing leaking through the walls vents and light switches directly below downstairs?

It means it is time to call a licensed master plumber to make repairs and possibly get ac mold removal /toxic clean up crew of to your abode


On a1996 corvette what causes the AC air to blow out of the defroster and floor vents for about 30 minutes before blowing out of the dash vents?

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What is a central vent?

it is a vent that is in the center obviously