Question about LG LWHD1800HR Wall/Window Air Conditioner

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A/c unit is not blowing cool air. I took it apart and cleaned all the coils, but it still is not cool. There is also a sound like something is trying to kick on but it just kicks right back off.

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Sounds like the compressor is having trouble starting. this could be the start components or the compressor itself. if the fan is running when you hear the "kicking in" noise it is you compressor, they are generally PSC motors, that require a capacitor to start, the capacitor could be bad, or the compressor may need a start kit added to it, they are available to the public at most appliance parts houses, you will need the model and serial number of the unit to select the proper one.

Posted on Jul 31, 2009

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My frigidaire air conditioner is making my apartment feel damp and when i took my filter out to clean it that part was damp too! What do I do to fix this?


You may have a clogged drain or the unit is installed without enough angle pitch for the water to drain to the back of the unit toward the outdoor section of the unit. I'm assuming it's a window air conditioner? The moisture condenses on the cooling coil near the filter and should drip down into a condensate drain pan, then the water should drain to the back of the unit into a pan at the condenser coil fan that is rejecting the heat outside. The fan blade usually has a ring on the outdoor fan that pick up the condensate moisture the fling accumulated water onto the hot condenser coil to evaporate it. Also the filter should not be touching the cooling coil. Make sure it in the correct slot. Some a/c cooling coil require a wetting agent that allow the water to slide down the coil and not pull off of the coil into the indoor circulating fan.

Sep 11, 2015 | Frigidaire Heating & Cooling

2 Answers

My ac window unit. Can I make it colder.


U do not have control over the temperature of the air; you can control how long the compressor operates with the thermostat. A longer running time equates to a cooler room.

Clean condenser out to maximize efficiency and cooling.

Jul 29, 2017 | LG Heating & Cooling

3 Answers

My A/C blowing air, but it is not cool. It has started freezing up. We just replaced the air filters and since then it is freezing up. We even gently cleaned the a/c coils before replacing the filters. ...


Hello, sounds like it is either a low charge or lack of airflow, what type of filter are you using? sometimes those filters that claim to be super effecient will actually cut down on your airflow and cause the ac to freeze up.

Jul 15, 2011 | Intertherm Heating & Cooling

1 Answer

Airconditioner won't cool room off.


The unit,has it cooled the room before?Check the evaporator coil,the one inside the house,where the filter goes,put your hand on the coils gently,and place it all around and feel if the coil is cold,and is it cold all over,if it is not getting cold,all over the front of the coil,then it most likely needs freon.

Jun 04, 2010 | Samsung AW0501M Air Conditioner

1 Answer

Why isn't my Sunbeam Window A/C blowing hard on high?


If the air doesn't seem cool enough it is necessary to use a thermometer to check the difference in temperature between the air going into the unit and the air being blown into the room. Ideally, the temperature difference should be more than 15 degrees. For example, if the temperature going into the air conditioner is 80 degrees, the temperature coming out of the unit should be at least 65 degrees or less. If the difference is 15 degrees or more there is probably no cause for concern. If the temperature difference is less than 15 degrees you should check the following:

  • Air damper

Check to make sure the air damper is closed. If it's open, it will bring in outside air and reduce the efficiency of the unit.

  • Back cover

During the winter season many people cover their air conditioners to protect the unit from the weather. In the spring or summer they will sometimes forget to remove the cover. If your unit has a cover on the outside portion of the air conditioner remove the cover first.

  • Condensing coils

The condensing coils will always be on the "warm" side of the air conditioner. That is, on the side that faces outside of the room to be cooled. Air is drawn into the back of the air conditioner on the sides through vent slots and is blown directly out through the condenser coils. If the coils get clogged with lint, dust and dirt the cooling system cannot provide the cooling necessary. To clean the coils it will be necessary to remove the entire cover of the air conditioner or pull it out of the wall to gain access to the coils. They can be cleaned by blowing compressed air at them or by using a soft bristle brush to wipe the dirt off. It is important to also clean any dirt or lint build-up in the bottom of the air conditioner so the condensate water will be picked up by the condensing fan slinger properly.

Aug 16, 2009 | Sunbeam SCA052MWB1 Thru-Wall/Window Air...

1 Answer

Does not seem to cooling very well


clean both the evap coil and the condensor coil

Jul 13, 2009 | Amcor NanoMax A12000E Portable Air...

1 Answer

Air Handler Blower


if you have a meat thermometer, place it in the vent when the air is on, it should be cooling somewhere around 15-18 degrees F lower than what actually temp is, so if its 84 degrees, your unit should blow around 67 degree air out of the vent. if it is not call a tech. your system could be under or over charged.

Jun 21, 2009 | Goodman CLQ36AR49 Air Conditioner

1 Answer

Intertherm not cooling correctly


Sound like air flow problem to me, the inside and the outside. check the inside filter to see if it's clean and clean the outside condenser coils by washing it.

Aug 23, 2008 | Intertherm P3RA-048K Air Conditioner

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