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.
Portable air conditioner not cooling attic.
In turn no matter how long you run the ac you still feel clammy.
At least troubleshooting common portable air conditioner issues might be less of a hassle than you think.
When water doesn t drain properly from a portable air conditioner it builds up and can freeze around the coils.
If it is clean it.
A portable air conditioner is the easiest solution for cooling your attic.
Next please only consider two hose portable ac units.
This is true even if you have covered all the bases including correct unit sizing and proper insulation.
Most come with a window kit for this purpose that attaches to a hose on the back of the unit.
Portable air conditioners do need to be vented to pump the hot air outside.
The more leaks your air ducts have the less cool air your home gets.
A portable ac unit can fail to properly cool off your space if it is not powerful enough the room is not properly sealed or the unit is dirty.
This prevents air flow.
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.
Another reason your portable air conditioner may lack air flow is the presence of frost on the evaporator coils.
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.
Then check for any air intake obstacles and eliminate them.
For one most traditional room air conditioners are not capable enough to handle the extreme heat that s normally present in an attic.
Lack of airflow coming out of the air conditioner.
They are designed this way to minimize how often you have to empty the catch bucket.
Usually it ll take 60 90 seconds after you power up the unit.
Examine the exhaust hose and check if there is any obstruction here.
The catch bucket is only there for the excess.
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.
Air ducts with leaks allow conditioned air to escape into unconditioned areas i e.
Use a vacuum or brush.
Unfortunately units love to act up on the hottest days of the year.
Limited or lack of air flow can often be the result of a dirty or clogged filter.
It s a standalone unit that s about two feet tall and 18 inches wide and has wheels for mobility.
Portable air conditioners send as much moisture out with the exhaust air as they can.