Does my LG portable AC need to be drained?
LG portable air conditioners do need to be drained. If you have an LG unit with the latest technology such as the self-evaporation mode, this does not mean that your unit does not need to be drained.
In very humid weather, the tank may need to be drained often. To remind you, an "FL" indicator code will appear in the display when the water collection tank is full and needs to be drained. To drain the condensing water from the collection tank, first turn off the unit and unplug it from the wall outlet.
In most cases, your portable air conditioner will not need to be drained. Edgestar, Avallon and Koldfront portable air conditioners use a condensation exhaust system to expel water vapor collected during the dehumidifying/cooling process. This moisture is released through the exhaust hose along with hot exhaust air.
In high humidity areas, homeowners will have to drain the portable AC every few hours (2 to 8 hours, in general). In other areas, you have to drain the unit once per day or every few days.
Untimely drainage of air conditioners leads to overflowing of the condensate tank. Though it will not cause any serious issues, it leads to water damage at your home. Growth of bacteria and mold.
The primary reason for your portable AC filling with water too quickly is humidity in the region you live. However excessive water deposit may also be due to dirty filter or clogged condensate line.
Your portable AC creates condensate. Just like a dehumidifier, air conditioners remove moisture from the air. The more humid your environment, the more condensate water you need to deal with. There are high-end models that can self- evaporate, but even they need to be drained in some circumstances.
LG Portable AC - How to Drain Your Portable AC - YouTube
When the summer season is in full swing and humidity is high, it's normal for your air conditioner to drain anywhere between 5 and 20 gallons of water each day.
All portable air conditioners produce condensation as they are cooled. This water is then contained in an internal water reservoir or drained through a hose. On all of our models, this water reservoir has an auto shutoff feature so that water is never accidentally spilled onto the ground.
Why does my portable AC have two drains?
Models with Dehumidification Mode have two drains. The upper drain plug is provided to allow automatic draining when there is a full tank, like in Dehumidification Mode or Cooling Mode in high humidity areas. This connection is threaded to allow connection to a garden hose fitting.
If you need to run a portable air conditioner without any exhaust vent tube, set it to run in “dry” or “dehumidifier” mode and connect a garden hose to the top drain port so you can collect condensed water in a bucket or floor drain.

How Much Electricity Does A Portable Air Conditioner Use? Mid-sized portable air conditioners use an average of 2900 watts per hour. Particularly large units can exceed the electricity usage of even central air conditioners, expending about 4100 watts per hour.
An honorable mention goes to the Honeywell 14,000 btu portable cooler with its auto-evaporation system that allows for continuous operation without the need to drain water or empty a bucket. It's another popular brand model with a name most people already know and comes with a good many 4 or 5 star reviews on Amazon.
How to drain a portable AC without a hose - YouTube
- Keep the exhaust hose as straight as it can be.
- Close doors and windows.
- Turn on the air conditioner before you need it.
- Switch off unnecessary heat sources.
- Make sure the portable air con unit is performing optimally.
- Pick the right spot.
Modern portable air conditioners are safe to run continuously, which means that you can keep it going all day long and even for multiple days in a row. There is nothing in the machinery itself that poses a problem.
How to Drain a Portable AC: Fully vs. Partially Evaporative | Sylvane
Dry mode is used to remove humidity from the room without additional cooling. Once the set temperature is reached, the compressor and circulation fan turns off and only the exhaust fan will run.
All room air conditioners drip — or at least they should. But drips in the wrong place or the wrong volume of dripping water may be a sign of a problem with the air conditioner. As the name suggests, air conditioners do more than simply cool the air.
How much water should come out of the condensate pipe?
A typical hour-long operation of your boiler may produce around 2 or 3 litres of the condensate water waste. This waste generally gets released in 300ml increments, and is often the reason you might hear water travelling through your pipes during intervals.
No, an AC drip pan is not one of those places where water should not be. In fact, it is quite the opposite. The AC drip pan is specifically designed to catch any water that may leak from the unit. Without it, water could potentially damage the floor or other areas around the unit.
A portable air conditioner without a hose is a pipedream. All portable AC units on the market (there are 1,000+ different models) come with a hose. And that hose has to be vented somewhere.
Therefore, we researched the right temperature setting for your portable air conditioner to get the overall comfort of the room set. The ideal temperature setting for your air conditioner is 78 degrees Fahrenheit or 25 Celsius, as it will keep you both comfortable and refreshed at the same time.
LG Portable AC - How to Drain Your Portable AC - YouTube
How to Drain a Portable AC: Fully vs. Partially Evaporative | Sylvane
Models with Dehumidification Mode have two drains. The upper drain plug is provided to allow automatic draining when there is a full tank, like in Dehumidification Mode or Cooling Mode in high humidity areas. This connection is threaded to allow connection to a garden hose fitting.
- Unplug the unit.
- Remove the filter. The filter or filters are usually on the rear on side of the unit. ...
- Wash with cool water or vacuum the dust from the air filters. ...
- Reinstall the filter(s).
- Plug the unit back in.
Modern portable air conditioners are safe to run continuously, which means that you can keep it going all day long and even for multiple days in a row. There is nothing in the machinery itself that poses a problem.
All portable air conditioners produce condensation as they are cooled. This water is then contained in an internal water reservoir or drained through a hose. On all of our models, this water reservoir has an auto shutoff feature so that water is never accidentally spilled onto the ground.
Where is drain hole on LG air conditioner?
The moisture is collected in a drain pan and is removed through a drain hole. On most window air conditioners, you will find the drainage hole underneath the exterior part that hangs out of the window. You will have to go outside to access it.
When the summer season is in full swing and humidity is high, it's normal for your air conditioner to drain anywhere between 5 and 20 gallons of water each day.
If you need to run a portable air conditioner without any exhaust vent tube, set it to run in “dry” or “dehumidifier” mode and connect a garden hose to the top drain port so you can collect condensed water in a bucket or floor drain.
How to drain a portable AC without a hose - YouTube
Depending on the humidity in your space, you will need to drain your portable air conditioner as often as every 8 hours. However, you usually won't need to drain your portable air conditioner this often. If you live in a dry area, then you will rarely need to drain your portable air conditioner.
How Much Electricity Does A Portable Air Conditioner Use? Mid-sized portable air conditioners use an average of 2900 watts per hour. Particularly large units can exceed the electricity usage of even central air conditioners, expending about 4100 watts per hour.