How to vent a portable air conditioner?

Venting is a very important aspect when it comes to running a portable air conditioner at your home. Almost all types of portable air conditioners have to undergo the process of venting provided that the unit gives out cold air and also dehumidifies. Just so you don’t get confused about the whole aspect of portable air conditioner venting and why it has to be done, let me explain it to you.

Air conditioning is the process of removing hot air from the surrounding and dispersing out cold air by sucking up moisture contained within the air inside the room. Portable air conditioning includes the process of heat transfer and turning vapor into liquid and vice versa. When this happens condensation occurs and at the end, the air and water absorbed have to be given out – that’s why venting is very crucial when it comes to portable air conditioning.

During the process of air conditioning; venting has to be done properly in order for the air conditioner to work without causing any harm and effectively. Now before you start thinking of this process there some certain things that you should decide on first.

Things to Know before Portable Air conditioner Venting

  1. Determine the location of the exhaust hose opening: the easiest way to do this is through a window. However, if the room doesn’t have windows you have to consider other options.
  2. Close off space: to make sure that the portable air conditioner functions effectively you need to make sure that you don’t leave any unwanted air openings within the room you’re installing the AC unit.
  3. Get guidance before taking any action: it is acceptable that venting can be performed by many homeowners but under some certain scenarios you are advised to seek the help of a certified HVAC worker or give a thorough look into the manual. Once you’re familiar we can move on.


Installation a portable air conditioner can be super easy and at certain times you may not even need to perform any assembly for the unit to start working. However, every portable air conditioner brand has a separate guideline and ways in which the unit is expected to be installed. Here is a step by step guide to installing a standard portable air conditioning unit.


Firstly, start by bringing out the hose from the box and the hose connector which is found in many portable units. What you need to do is to connect the exhaust hose connector to the one end of the hose which goes into the unit from the back and then simply connects the window kit adapter to the other end of the hose which gets connected on the window kit.

Firstly, start by bringing out the hose from the box and the hose connector which is found in many portable units. What you need to do is to connect the exhaust hose connector to the one end of the hose which goes into the unit from the back and then simply connects the window kit adapter to the other end of the hose which gets connected on the window kit.


Secondly; after you are successful at connecting all of the adapters to the hose you can then set up your window kit onto the window which you plan to vent your AC unit through it. Place the window kit to fit the gap between the opened window laid horizontally on the window slab until it fills the space connection bracket and the edges of the window. Ensure that the window is firmly closed after placing the kits by making sure that it holds everything pretty firmly. Use tape to block gaps that may have been left open.


Thirdly; at this moment it is expected that everything is assembled all you need to do is to connect the setup hose to the back of the unit and onto the window kit. In the process make sure that there aren’t any bends formed after getting the unit in place. Make sure that you leave enough space between the unit and the walls or anything else.


As you were told at the beginning each and every type of air conditioner comes with rather different techniques and ways to carry out venting. It is a trend that nowadays almost all portable air conditioners come with optional methods towards venting activities. The goal is just to make sure that the hot air finds its way out safely and your job is done. There are quite different numbers of ways to carry out portable air conditioner venting.

One of the most occurring situations that cause this issue is in cases where the owner doesn’t have a window in the room which he/she wishes to install the unit. If this happens to be the same issue with you then you should be happy to know that there are endless solutions to this.

Depending on the type of air conditioning unit you got most AC units to have one or two hoses made available for venting purposes. A lot of homeowners have different approaches to this especially when the unit can only be installed using a sash or a sliding window.

One of the best methods of venting an air conditioner without a window is actually by venting the portable unit through a wall. What this means is that a reasonable size hole is created on the wall in which the hose is passed out through the hole and once the hose is mounted venting becomes completely possible.

A second but a very unique alternative to approaching this problem is by venting the portable unit through another room. Now, this has its own advantages and at the same time, many things can go wrong if care is not taking. It is similar to the first step but this time around the air doesn’t get out of the house but rather it is dispersed into another room with different conditions that may suit the atmosphere.

At the end of the day when carrying out things like this to ensure to invite an expert HVAC technician to have a look at everything so that you don’t end up putting the whole household into trouble. If you are still having a hard time be sure to check out a video.


Installing a portable air conditioner can be done with almost any type of window as long as you have a window when you are ready to go. Despite the fact that some air conditioners come with window kits that can only be used in a sliding or sash windows are tens of alternatives to properly vent your air conditioner in different types of windows.

Crank windows are also referred to casement windows with two doors that can simply be opened wide like a door. But in this case, you need to make use of plexiglass to fill in the rest of the space.


To undergo this process, measure your window to know the size of the plexiglass you will need. Go to your local hardware store to have them do this and also in order to make sure that the hole for the hose is perfectly made. It is best to go vent hose during the process to minimize cases of imprecision.


Once you’re successful at getting the plexiglass perfectly cut out go ahead to firmly secure in a latch to the casement window and also do the same to the window frame. With the help of using retainer clips or any twist camps available carefully place in the insert onto the frames of the window. To make sure that everything is sealed properly you need to caulk the points of contact where the frame of the window and the casing meet. This has to be done in order to keep all of it waterproof.


At this stage of the procedure, all you need to do is to install the hose in and you are good to go. You need to fit in the hose adapter into the cut hole and make sure that it sits in tight, next grab the hose and then insert it into the hole. If there are any more openings left then you need to close them.


Venting a portable air conditioner through a sliding door is quite similar to venting an air conditioner through a window but only this time it seems much more smatter. However, in this particular method, you need to buy plexiglass to fill the gap in-between the door. Before you decide on taking on this step make sure that you are ready to acknowledge it whenever this installation makes the door a little bit inconvenient sometimes.

Sometimes you can even use the same window slider kit but make sure that you have something fill the space afterward. Some of the challenges that you may face choosing this method are security and will the door still function properly.

STEP ONE: after successfully buying the window sliding kit the first thing that you need to do is to put the brackets together and then screw. The brackets are completely adjustable so all you need to do is to measure the length of your door to be the same with the bracket.

STEP TWO: when you have successfully attached the brackets together pick them up and place them along the height of the door and then you can close the door to fix the brackets in. When you have done that attach a weather strip which comes together with the brackets along the sides and bottoms of the brackets to seal any gaps.

STEP THREE: now it is time to install the portable air conditioner. The original AC’s adapter might not go with the window sliding kit so you need to attach the window sliding adapter to the hose of the AC. Simply go ahead to attach the hose adapter to the sliding kit. Many people have come along to have problems when opening the door and wondering if they could be able to use the door. All you need to do mesh between the brackets and the top of the door to keep the brackets safe in a non-permanent way. In the case of security most doors come with a security bar so all you need to do is to fix it in when the door is closed.


Installation a portable air conditioner into a wall for venting is advised in circumstances where they are no windows or permanent installation is needed. In this particular method of venting a qualified and experienced technician is needed to take care of the whole situation. This procedure requires the use of heavy tools in order to cut through the wall which if done wrong results into permanent damage made to the wall.

Many people prefer this method of venting compared to the normal method because they feel that when the unit undergoes a permanent installation it becomes much more dedicated to function without any interruption.

To start this procedure you need look for a safe spot on the wall where there isn’t any electrical wiring made or any other pipes running through the wall. Take a look at this step by step guideline.


Firstly, find a safer spot behind the wall that is totally safe to cut through. After locating the best spot you need to measure the size of the hose which is going to be placed in the world. As soon as the measurement is done go ahead the use a chainsaw or any other preferred cutting tool to create the right opening through the wall. Make sure that it is not too tight or even too wide leaving out extreme ends.


Secondly, instead of using the normal window kit connector you are going to need an exhaust port or a wall vent. The hose cannot just be inserted through the wall without any proper wall hose connector to make sure that the hose is fixed in properly. At this point, be cautious not break any part of the wall vent while placing it through the wall.


Thirdly; after successfully getting the hole ready for the hose to be connected you are ready to grab the hose connecting it to the wall vent. Make sure that it fits in tight with no extra spaces left.

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