Portable Air Conditioner Not Cooling Attic

It s a standalone unit that s about two feet tall and 18 inches wide and has wheels for mobility.

Portable air conditioner not cooling attic.

Another reason your portable air conditioner may lack air flow is the presence of frost on the evaporator coils. The more leaks your air ducts have the less cool air your home gets. For one most traditional room air conditioners are not capable enough to handle the extreme heat that s normally present in an attic. This is true even if you have covered all the bases including correct unit sizing and proper insulation.

So if there are leaks along the ductwork that allow cold air to escape into the attic or basement your home won t get as much cool air as it needs to reach your set temperature. When that happens the ac unit is unable to condense all the extra water vapor that is added to the air supply because of the leaking duct. They are designed this way to minimize how often you have to empty the catch bucket. When troubleshooting this portable air conditioner problem first clean the filter to get rid of any dust or dirt that has been trapped inside it.

A portable air conditioner is the easiest solution for cooling your attic. At least troubleshooting common portable air conditioner issues might be less of a hassle than you think. If it is clean it. Similar to the previous problem mentioned to find the problem of this portable ac not cooling adequately see the filter and check if it is clogged or dirty.

Usually it ll take 60 90 seconds after you power up the unit. The catch bucket is only there for the excess. Portable air conditioners send as much moisture out with the exhaust air as they can. Most come with a window kit for this purpose that attaches to a hose on the back of the unit.

Then check for any air intake obstacles and eliminate them. Air ducts with leaks allow conditioned air to escape into unconditioned areas i e. Use a vacuum or brush. Portable air conditioners do need to be vented to pump the hot air outside.

Examine the exhaust hose and check if there is any obstruction here. In turn no matter how long you run the ac you still feel clammy. When water doesn t drain properly from a portable air conditioner it builds up and can freeze around the coils. Check the temperature of air flowing out of the top of the unit and the air flowing into the evaporator coil behind the top filter grill at the back.

So any ac you buy will blow moisture up into your attic. Any leak on the return side of the ducts would mean that your air conditioner is sucking in the hot and humid air from the attic. Next please only consider two hose portable ac units. After you ve made sure that the mode is set for cooling not the dry or fan setting wait for the compressor to kick on.

Limited or lack of air flow can often be the result of a dirty or clogged filter. Unfortunately units love to act up on the hottest days of the year.