When setting up a hose for your portable AC, it’s important to have one that’s durable, well-sized, and in the right place.
Any issues with one of these variables can create an inefficient setup.
This is why you have to find a solution if the portable air conditioner hose is too short.
If the portable air conditioner hose is too short, it’s best to invest in a longer universal hose. You cannot extend the existing hose, which means buying a new longer one is your only option.
If you attempt to extend the portable AC hose, it will become inefficient and unsafe.
Keep things simple and invest in a new universal hose for the portable AC. It will be long enough and a good fit for your setup moving forward.
This article will explain how to fix a short portable air conditioner hose and why it’s important to buy a new one.
Best Universal Hose For Portable AC (EDITOR’S CHOICE)
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How To Fix Short Portable Air Conditioner Hose
1. Measure The Required Distance
When looking at an air conditioner exhaust hose replacement, you need to start by measuring the distance between AC and the venting spot.
If you are not doing this, you won’t know what the ideal length is for the hose.
Most properties will have a clear-cut venting set up and you have to be aware of it too. This includes accurate measurements of where the portable AC is going to go and how it will be vented.
Take multiple measurements to ensure you are on the right track and find a replacement part that’s the right size. The replacement exhaust hose for your portable AC needs to be the right size and it starts here.

2. Invest In A Universal Hose For Portable AC
You have to invest in a universal hose for the portable AC.
This is the only way to correct the issue and make sure the venting setup is perfect. Too many people attempt to link multiple hoses together and assume that will work out well.
Instead, it starts leaking air and becomes inefficient immediately.
Don’t take chances like this and ensure you are investing in a high-quality universal hose for the portable AC at home.
When looking for a new hose, it should be well-made, lengthy, and ideal for your particular model. In most cases, the hose is going to be “universal,” which means it can fit with any make or model.
3. Install And Test New Hose
When you have the new universal hose for the portable air conditioner, it’s time to kick things up a notch by setting it up.
The goal here is to see how the vent hose works as soon as it is in place between the venting spot and AC.
When doing this, it is important to link the two properly. There should be no spot that will leak air.
You have to test the connection and how it is venting air.
The process should be smooth and consistent. This is the only way you will know the new hose is long enough and good for the overall setup.

Can You Extend The Exhaust Hose On A Portable Air Conditioner?
You cannot extend the exhaust hose on a portable air conditioner. Linking two hoses together will only harm the venting setup and make it inefficient. To fix the issue permanently, invest in a longer universal hose.
The right hose for your portable AC is not going to cost a lot.
While you might want to find a solution at home, it is sometimes better to spend a bit of money on a longer universal hose for the portable AC.
How Long Of A Hose Can You Have For A Portable Air Conditioner?
The hose for a portable AC should be somewhere between 5-12 feet. Most makes and models offer 5-7 feet hoses with their ACs. If you want something longer, invest in a universal hose that is less than 12-feet long.
This is how you are going to get results without compromising on performance.
Final Thoughts
Why is the portable air conditioner hose too short?
If a portable air conditioner hose is too short, it’s best to replace it with a brand-new universal hose. You can’t repair or extend the existing hose if it’s short. Instead, buying a new portable hose is smarter, safer, and far more efficient.
It is highly recommended to find a portable AC hose that will be a simple fit once it is set up.
It will save you time and work out the way you want it to.
Read More On Living Rooms:
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- How To Position A New Air Purifier