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Q: Why would the vents not work but the def and floor air will?
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Why is it that the side and floor air vents on a car work but not the middle vents?

Don't know what vehicle you have but, sounds like the duct work came apart for the middle vents.


Why does Air conditioner work on defrost only and no front vents or floor?

Vacuum leak


Why do you get hot air at floor and defroster vents but only cold air at the dash vents vents in a 1995 chevyvan 20?

the middle vents only supply air from the ac unit using a separate in dash fan. the floor and defrost vents come only from the heater


Can return air vents be put in the floor instead of the wall of a house?

Yes vents can be in the floor instead of the wall.


Which vents are for cold air return wall or floor?

Cold air return vents are the ones on the wall


On a 1995 Gmc sierra truck why does the air conditioning vents on dash work in every mode except cold air cold air will only blow out from floor vents?

The a/c - heater controller is out...........


Why would air only blow out the floor vents and the two outside dash vents not out the center dash vents?

The flap that directs sir to the selected vents is jammed or broken...or the switch that controls it is.


Why would air only blow out the floor vents and the two outside dash vents not out the center dash vents or the defroster no matter what setting the Heat and air controls are on in a 2003 Ford Taurus?

some thing is probley cloging the vents take it appart and ckeck.


Why Heater vents are usually placed near the floor?

Warm(er) air rises - if vents were high up there would be little circulation without fans.


Why does the air no longer blow out the dash vents on a 2000 Cadillac while the floor vents work fine?

The selector mechanism needs repair or the doors inside the vent are jammed.


What would cause my air only to blow out of the floor vents and not the panel vents in a 1995 Camaro?

The most likely cause would be a vacuum leak at the rear of the engine or a defective selector switch.


How do the vents work on a hot air balloon?

the vents work because of the heat which can make the hot air balloon go up


Why would the ac and heater blow air through the defroster or the dashboard vents but not through the floor vents.?

It should blow through the floor vents. Modern vehicles generally use movable baffles in there HVAC systems, to direct air flow where the controls indicate. If the controls allow airflow to the floor, but nothing flows out, there is a malfunction between the control switch and the actuator that directs the flow.


Why won't the dash vents work on my 1995 Chevy Camaro but floor vents and defrost vent work fine?

When there is a problem with the vent system it dfaults to the defrost setting. Sounds like you have a problem in the doors that direct the air flow.


In order to heat a room should heating vents be placed near the floor or near the ceiling of the room?

Heating vents should be located near the floor since hot air rises. If the heating vents are located near the ceiling the heat would stay there and not warm the room.


Why would the air conditioner only blow cold air on the floor but not through the vents?

Vents are uaually operated by vacuum. Chances are, you have a vacuum leak at the directional valve or at the back of the air controller itself. All of these are in or under the dash. Good luck.


Floor vents in a hot climate?

No, floor vents will not help in cooling your house since they are only used when your air conditioner is on. Fans are the cheapest way to cool a home down.


Why would the air conditioning only blow air from the defrost and floor vents and not the dash vents on a 1996 jimmy?

This is a very common problem and you need to check for a vacuum leak, broken vacuum line or a loose vacuum line......


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?

== ==


How do you take off the heat vents in a home?

Forced air vents set flush in the floor? They generally just lift straight out.


What does the icons mean on the dash?

Fuel level, heat or air conditioning up, both high and low, high only, floor only. Center vents are for air conditioning output only, no heat. Heat is designed to blow out side and floor vents only. NOT center. Center is only for air conditioning or summer vents.


Why does air conditioning vents work well in the ceiling?

At its most elemental, simple gravity, as colder air is heavier and from the ceiling falls through the space to the floor where it is then returned to the ac for recooling.


Why does a 2003 Crown Vic with auto temp control blow heat and ac from the defrost and floor vents but no air through the dash vents?

Because the air selector died.


Where are warm-air vents usually located in a forced-air heating system?

Near The Floor


My dads 2009 dodge ram 1500 vents arent working The floor vents work normalybut the top ones will only blow cool air We have no temp control?

The sensors may be off you havento take it in to a machanic.