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Q: Do central air conditioners need a return vent?
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What is a central vent?

it is a vent that is in the center obviously


Is there a portable air conditioner that does not need an exhaust vent?

Air conditioners generate a lot of heat, so normally it would be counterproductive not to vent them. However, dehumidifiers are basically air conditioners that are not vented. Although they force water out of the air by cooling it, I learned from personal experience that they (or at least the model I had) heat an area more than they cool it.


What temperature should the air coming out of the vent be for a properly functioning central AC system?

The air from the vent should be 18 to 22 degrees F lower than the temperature of the air going into the return.


What happens when ac filter is sucked up into central ac vent?

You need a filter retainer


Are air residential vent filters effective?

Some what but if you have a large hair dog, you need to filter each return vent to keep dander out of furnace ducts


Is it OK to close both the supply vent and return vent in a room?

I would say ok on the supply but not hte return.


How do you vent a portable air conditioner?

Portable air conditioners come with a vent hose that can be placed in a nearby window or vented through a hole in the wall like your clothes dryer.


What are the vent der midi winds?

The Vent der Midi winds are winds that blow over central France of the Mountains of Central Massif towards Lyon


Do portable air conditioners have to be vented?

Yes. There is a coil that goes to the inside to cool. The other end will have a coil that puts out the heat to the outside through a vent. Without the vent, the heat will simply be released back into the room.


Central funnel shaped vent at the top a volcano?

A crater


When magma does not have enough pressure to break completely through the neck and into a central vent it forms?

When magma does not have enough pressure to break completely through the neck and into a central vent, it forms a Dike.


What is the difference between a window air conditioner and a through the wall air conditioner?

Usually the manner in which the unit vents. Window air conditioners are contained in a case that has vent holes on the top and side while wall air conditioners are vented in the rear.