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How To Vent a Portable Air Conditioner Without a Window

The Unboxing Installing New Portable Air Conditioner

Looks like someone got too excited about buying a portable air conditioner that they forgot their room does not even have a window to make a vent. Well, where there’s a will, there is a way. You can either use any other opening as a vent or make a new one as a temporary solution.

With the help of the right apparatus, you can successfully make an alternative passage for your AC outlet. You will need to get a bit crafty in order to find a way to use some opening as a venting portal, like an exhaust hole or chimney.

Below-mentioned ways can introduce you to other options as well, like drilling a vent etc.


Venting should never be compromised if you want effective results with your portable air conditioner. Continue reading the below-mentioned points to know how you can make venting possible in a windowless room and why it is important.

Why Vent – Is it Worth It?

4 Ways to Vent It:

  1. Making a Tube Outlet on the Doors.
  2. Getting Crafty With the Non-Functional Chimney.
  3. Connecting It to the Dryer.
  4. Making a Portal in Removable Tiles and Walls.

Before diving into the ways to vent your AC system, you must know why it is necessary in the first place. Whether you should vent your AC is the first question to ask yourself before you begin with the process.

Here’s your answer.

Why Vent – Is It Worth It?

Square Vents

Before we introduce you to some creative ways to vent a portable air conditioner, there are some things you need to keep in mind that will show you the necessity of venting an AC just in case you feel lazy about doing it or it seems like a little too much work.

As you know, your portable air conditioner sucks the warm air from the room in order to fill it with cool air. It needs to be a way to throw that warm air somewhere outside the room so that the temperature can be kept cooler.

If you do not provide it an outlet, it will release that warm air inside the room, and there will be no difference in the room temperature because the warm air will keep canceling the effect of cool air.

4 Ways To Vent a Portable Air Conditioner Without a Window

We have briefly discussed the four best ways you can vent your portable AC system without affecting the aesthetics of your room. Let’s dig deeper.

1. Making a Tube Outlet on the Doors

Since this is a very common issue many users face, companies have designed special equipment that can be mounted on all kinds of doors. You can buy these kits from any store separately and install them according to the mentioned guidelines.

This kit contains a medium-sized pipe that is attached to the outlet hole of portable air, and the other end is placed outside the door. A door seal is also placed on the area where the pipe leaves the door to avoid any air escape.

You will have to move your portable AC near the door because those pipes are not very long, or you can buy a joint pipe and attach both pipes to increase the length to a few more inches.

2. Getting Crafty With the Non-Functional Chimney

If you have a nonfunctional chimney in your room, well, it is time to clean it up and bring it to some use. It does not always have to be a chimney; you can find any other outlet or an opening, like a pet door, and use it as a vent. Just ensure the sides are properly airtight so that when you pass the exhaust pipe, there is no inlet or outlet for air apart from that vent.

If that opening does not fit the shape and size of the vent, then you will have to buy the sealing apparatus to make the idea fully functional. It will definitely save you the money and effort of drilling a perfectly fitting hole.

3. Connecting It to the Dryer

This should be your last solution because it is more complicated and less guarded. You must have seen your dryer’s exhaust; if you connect the outlet of your air conditioner with that opening, it will make way for the warm air sucked by the air conditioner and remove it through that passage.

Although there are certain precautions that you must follow to save your air conditioner and the dryer from any kind of hazardous malfunctioning, including keeping a timely check and not using this alternative for long hours because it can cause overheating.

4. Making a Portal in Removable Tiles and Walls

Some rooms use removable or moveable tiles on the wall and ceilings. You can easily remove them and place the vent through it, and then whenever you find an alternate, you can place it right back there. These tiles are not fixed and can slide aside.

If your room does not have those sliding tiles. Then the last option is to drill a small hole. Drilling a hole is not a special technique. It does not require a large hole, either. You can refill that gap with plaster later on when you no longer need that vent.

15 Second Recap

Repairman With A Portable Self Standing Air Conditioning

Venting is necessary for all portable and nonportable air conditioners. Some people get mistaken by assuming that a portable one will not need an outlet or they may not have another alternative. The solution to that involves buying pipes and seals for the door and mounting it manually; you can use your nonfunctional chimney or your dryer outlet as an exhaust by connecting your AC pipe to it, and the last option is to drill a hole.

Frequently Asked Questions

Should I Buy a Portable Air Conditioner Even if I Do Not Have a Window in My Room?

A portable air conditioner has a very simple maintenance and installation process and can be taken anywhere, especially if you are traveling continuously. You should definitely buy it if it suits your preferences and installs an opening for a vent if your room does not have a window.

Is It Necessary for All Portable Air Conditioners To Have a Vent?

Yes, all portable and nonportable air conditioners need a vent to remove the warm air from the room. This affects the cooling of your room a lot. There will be no change in the room’s temperature if your AC cannot release the hot air and replace it with cooler air.

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