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It mixes partial air from outside, instead of recycling just inside air (which is already cool probably, and thereby easier to make even colder.)
Some window units have 3 options. Closed, Vent, and Outside. Outside is 100% outside air, and doesn't use any of the already cooled air inside your home to recycle and make colder.
Both vent, and outside settings can be rough on an ac unit, if it's hot out, and especially if the humidity is high.
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∙ 11y ago
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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.
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.
Is it safe to vent a portable air conditioner into a garage that has an open window?
No. Air conditioners should not be vented into a closed garage (even if there is an open window). Heat buildup poses increased risk for fires.
Do central air conditioners need a return vent?
absolutely
Do the portable air conditioners that vent out to window get very hot and give off heat?
Yes.The heat evaporates and also it has got a drip hole at the back.
What are the best air conditioners?
Window and wall units
Are toxic fumes emitted from a window air conditioner?
No. Window air conditioners are completely self contained.
Can window units air conditioners be recharged with coolant?
yes
Is it safe to leave air conditioners in window during hurricanes?
Yes.
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.
Does a window air conditioner have to go in a window?
A window air conditioner must be fitted in the window. The back end generates hot air and some drip water. Some can fit in a wall but still the back half is outside.
Where can one go for spot cooling?
Spot cooling refers to portable air conditioner units that are used where regular conventional air conditioners can not be used. Spot coolers use a window as a vent system or can be added directly to an existing ventilation system to furrow out the hot air.
