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Can You Extend the Hose on a Portable Air Conditioner?

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Extending the hose on your portable air conditioner can be tempting, especially if your unit doesn’t seem to be cooling your room as effectively as you’d like. While there are ventless portable AC units, many of the commercial products have an exhaust hose. But before you go ahead and extend the hose, there are a few things you should keep in mind in order to avoid damaging your unit. 

In this blog post, we’ll take a look at some of the precautions you should take when extending the hose on your portable air conditioner, as well as why it’s mostly advised against.


Precautions for Extending the Hose on a Portable Air Conditioner

portable air conditioner

As a general rule of thumb, you should never extend the hose of your portable air conditioner by more than 12 inches. Anything beyond that risks damaging the unit, as well as reducing its efficiency. 

When extending the hose of your portable air conditioner, there are a few precautions you should take: 

  1.  Make sure the extension hose is the same diameter as the original hose. If it is not, this will reduce the airflow and cause the unit to work harder, which could lead to damage. 
  2. Secure the extension hose to the exhaust port of the unit with tape or a zip tie. This will prevent the hose from coming loose and possibly causing damage to the unit. 
  3. Make sure the extension hose is made of a material that won’t be damaged by the exhaust of the unit. Some hoses are made of materials that can melt or be damaged by the heat of the exhaust, so be sure to check before using them. 
  4. Check the extension hose for any holes or leaks. Even a small leak can reduce the efficiency of the unit and cause it to overheat and possibly be damaged.

Why You Shouldn’t Extend the Hose of Your Portable Air Conditioner

Extending the hose of your portable air conditioner is mostly advised against because doing so can put unnecessary strain on the unit, which can lead to damage. Additionally, extending the hose can reduce the unit’s efficiency, as the longer the hose, the more air will escape before it has a chance to be cooled. 

Finally, extending the hose increases the risk of the unit tipping over, as the added weight of the hose can make the unit top-heavy.


How Far Can a Portable Air Conditioner’s Hose Be Extended?

The average length of a portable air conditioner’s exhaust hose is about five feet. Some units come with hoses that are only three or four feet long. If you need to extend the hose, you can buy an extension kit. These kits usually come with one or two five-foot sections of hose. You can also buy hose by the foot at most hardware stores. 

The maximum length for most portable air conditioner hoses is 25 feet. Some units can accommodate hoses up to 50 feet long, but these are rare. If you need to extend the hose more than 25 feet, you’ll need to buy a second unit. 

To extend the hose, first make sure that the portable air conditioner is turned off and unplugged. Then, disconnect the exhaust hose from the unit. Next, connect the extension hose to the exhaust hose. Finally, reconnect the exhaust hose to the unit. 

When extending the hose, it’s important to make sure that the connection is tight. If the connection is loose, air will leak out, and the unit will be less efficient. It’s also important to make sure that the hose is not kinked. A kinked hose will restrict airflow and reduce the efficiency of the unit.


Why is the Hose for Portable Air Conditioners So Short?

The answer to this question has two parts. The first part has to do with the physics of how an air conditioner works, and the second part has to do with the design of the portable air conditioner itself. The air conditioning technology is different from window type and split type AC units.

The physics part is that in order for an air conditioner to work, it needs to be able to expel the hot air it sucks in from the room. The hotter the air is, the more work the air conditioner has to do, and the more energy it uses. If the air conditioner is unable to expel the hot air quickly enough, the heat will build up inside the unit, and the air conditioner will eventually overheat and shut off. 

The second part has to do with the design of the portable air conditioner. Portable air conditioners are designed to be as small and light as possible so that they can be easily moved from one room to another. If the portable air conditioner unit was any larger, it would be too heavy to move easily. 

So, the bottom line is that the portable air conditioner hose is too short because it is a necessary part of the design of the unit. If the hose was any longer, the unit would be too large and heavy to be considered portable.


Final Thoughts

portable air conditioner

In conclusion, while it is technically possible to extend the hose on your portable air conditioner, it is not advised. This is because doing so can put unnecessary strain on the unit, which can damage it. Additionally, extending the hose can also reduce the efficiency of the unit. 

If you find that the hose on your portable air conditioner is too short, there are a few things you can do. First, try repositioning the unit so that the exhaust hose is not stretched to its full length. Additionally, you can also try using a drain hose extension kit. These kits are designed specifically for extending the hose on a portable air conditioner, and they can be found at most hardware stores. 

If you do decide to extend the hose on your portable air conditioner, be sure to take precautions. Only use a heavy-duty hose, and make sure that the extension is properly secured. Additionally, be sure to keep an eye on the unit, and if it seems like it is struggling, turn it off immediately.

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JP Reyes

JP has been in the aircon industry for almost as long as he has been alive. As a child JP would help his tatay fix aircon units at their junk shop in Cavite. After graduating UP in the early 2000's, JP then started his own Aircon servicing business and within 5 years had 10 shops in 8 different cities. Fast forward to today and JP brings all his experience and expertise online to give readers trustworthy advice and reviews about Air-conditioning buying, servicing, cleaning and repair in the Philippines.

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