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How To Vent A Portable Air Conditioner Without A Window?

Last Updated: 17 December 2020

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The age of industrialization and advanced science has come forth with inventions that defy common sense and make life on earth easier. The now life is beyond the dream of our predecessors with tools one can only sit back and admire. One such invention is the portable AC unit. Chances are you probably come across this tool on several encounters or perhaps you live in a do-without a portable air conditioners’ kind of environment and you’d wish for one. This could be your room or workplace, at the end of the day; we all need the perfect environment for our everyday activity.

However, there comes a challenge when you’d wish to use a portable air conditioner without a window. It’s a straightforward process; you just need to familiarize yourself with the whole approach towards this. At some point, you might need to collapse a large room into smaller compartments to offer more space for accommodation and maybe privacy.

Do portable air conditioners work without a window?

Do portable air conditioners work without a window

Can I use a portable air conditioner without a window? Well, this is a frequently asked question and we’re here to get you all the answers you might need. Out there, there’s a common misconception prevailing amongst the many homeowners that they need to vent their air conditioning system through windows only. Just so you know, there are better options that as a homeowner you need to re-evaluate and rise above the prevailing societal misconceptions.

We bet you’re now more curious to know what’s involved. There are several options on how to vent a portable air conditioner without a window. If you’ve got a room without a window and you’d opt for portable air conditioners, here are some of the tips you can always look out for and be sure to thank us later.

How to vent a portable air conditioner through a wall?

How to vent a portable air conditioner through a wall

Can I use a portable air conditioner in a room without a window? The answer is, yes. Venting a portable air conditioner through the wall is one of the most valid options and immensely popular. You’ve probably come across this technique once or twice or maybe this is your first time, either way, we’re here for you. With this approach, you can easily vent heated air generated by the portable air conditioner, to the external atmosphere. This can work in whichever home premises you choose to and this can either be through the exterior or interior wall.

The Interior Approach

The best portable air conditioners can be vented using an interior barrier. Well, in this instance, we’re assuming the windowless wall you’d wish to air condition is at the house’s center with no external walling. The technique requires you to make a conduit through the windowless interior barriers and connect the portable air conditioners’ hose into the other room. With this setup, the warm air will suck from one room onto the next.

This will prove to be troublesome as the other room will become much warmer and that in itself is another issue altogether. However, this works best if the receiving room is maybe a utility room where much heat wouldn’t be an issue. Here lies the catch to this interior wall technique you always have to look out for. The other option is to install a unit in the other room. This should solve the whole problem by providing a conduit to channel warm air out of the receiving room.

The Exterior Approach

This happens to be the more common of the two options. If the room to be air-conditioned has an outer wall that heads directly outdoor. The approach would be to make a hole through the wall to provide a conduit to vent all the heat the unit will be sucking out.

It’s always a good idea to first review the building’s structural plans and blueprint, or maybe a stud finder to appreciate any should there be. This approach is to best avoid weakening the building’s structure and maybe disrupting the piping system through holes made on the wall. Once you’ve reviewed everything and secured a safe spot, you can go ahead with the process. Caution is called always. The portable air conditioners are placed right in front of the cut hole, with the exhaust hose through the openings on the exterior wall.

Of note:

  • While venting a portable air conditioner through a wall, avoid channeling hot air into rooms frequently used.
  • Direct your portable air conditioners’ hose off your window. Not close to your living or other room’s window.
  • Hoses directed to laundry rooms must have a window or opening for the warm air to escape out.

By now, you should be well versed in how to use a portable air conditioner without a window. A good practice would be to do further research on the process is done, for this will not only save you from small errors but you’ll stand a better chance of perfecting your work.

How to vent a portable air conditioner through a dryer vent?

How to vent a portable air conditioner through a dryer vent

You’re not opting for a ventless air conditioner, are you! Venting an air conditioner with the help of a dryer vent is not a top option for many, considering most manufacturers don’t quite recommend it. However, you might be stuck with this option, and you better know your way around it. We’re here for you; you shouldn’t have to worry a bit. It’s been a success for the many who’ve tried it before, why not you!

The technique is quite straightforward. You’d appreciate that many dryer vents out in the market today come in small holes. This makes the venting process challenging, for the portable air conditioners’ hose gets a hard time passing through. However, once you in a better position to connect your air conditioners’ hose through the small holes, you’re set. Ensure the warm air is directed to a safer exit and doesn’t enter your room, and you’re set.

While at this, a good practice would be to keep coming up with creative maneuvers to help you get through this technique with ease.

How to vent a portable ac through the ceiling?

How to vent a portable ac through the ceiling

You find yourself in an office space with no windows to spare and you’re probably wondering how can you use a window air conditioner without a window. You might have tried the best ceiling fans, but how did that work out for you so far? Well, how about we get you the best option and that’s venting your portable air conditioners through the ceiling. In this technique, you ought to put forward your best creativity and come up with a working plan to effect this technique.

The first step is to restructure the panel or better still, the drop ceiling, and that’s for an ideal transformation for ventilation purposes. You’ve probably come across such in some technological rooms – it happens to be a common and effective practice to help cool server rooms. This is precisely because they happen not to have windows and that’s the best working alternative. You might as well be caught up in the same situation or you just don’t have window fans.

Once you’ve reviewed the building’s structural plans and spotted a safe space to connect the portable air conditioners’ hose through, cut a hole through the ceiling; a neat one would do. Go ahead and connect the pipe through the cut-hole up the panel, sum it up by sealing for integrity issues.

How to vent portable ac through patio door?

How to vent portable ac through patio door

Have you acquired your portable air conditioner sliding door vent kit? Well, consider getting one. Do all portable air conditioners have to be vented out a window? So far, we’ve answered a greater part of this covering the many options, but there are situations where wall outlets are not preferred. These calls for sliding door kit which can be attached to the door and this can be consequently connected to the hose of the portable air conditioners.

Sliding door kits can easily be removed once attached, whenever one leaves the house or doesn’t require the air conditioning. However, with this technique, the door isn’t fully closed but the room still stays airtight. This is so because the kit fitted is of the matching door size; and just like that, your patio door AC unit is all set and good to go.


That’s it for venting a portable air conditioner without a window? Now it’s your turn. From the guide, find a suitable option and go ahead and try it, see how things will turn out for you. Be rest assured of a successful outcome if you stay keen on the instructions. For more information, you can check out HandyHomeMaster. Here, you’ll find all the important information there is to know about portable AC units and recommendations from renowned experts in the field of construction.

Can you install a window air conditioner through a wall? We’d like to hear your views on the same. Feel free to say something in the comments section below.

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