Ambient Air

How Venting a Portable AC Works

How Venting a Portable AC Works - HVAC Ventilation Flex

For a transportable device that brings cool air to nearly any space you desire, the portable air conditioner does demand a certain amount of maintenance, as well as some basic guidelines on proper ventilation. In order for a portable AC to adequately cool your room, the unit must be accurately vented and drained. If your portable-air-conditioner venting is not suitably placed, it will prove counter-intuitive for your unit. Proper ducting and periodic draining of your device will ensure that your portable-AC vent-hose can work smoothly and efficiently. You may be wondering: what is the vent for on a portable AC? Does it have to do with draining or exhausting your unit? The drain hose, while being a separate entity from your portable-AC-unit exhaust-hose, still follows a similar function. Both tubes are in charge of expelling excess materials from the portable air conditioner to ensure that it is working efficiently. Commonly enough, exhaust hoses tend to be ducted outdoors, while drain hoses can be led into drains or even buckets. These, among others, are proper methods for draining and ducting your unit, but why should you care to follow them? Adhering to these proper standards for your unit will cultivate productivity, allowing your AC to work efficiently. We will ensure you have the proper knowledge of your vents, as well as the guidelines to vent exhaust from your portable air conditioner in a safe and precise manner. Knowing your unit, as well as the specifics of portable-air-conditioner venting and draining, will allow you to maintain the efficacy of your unit.

“Air Ventilator Insulated”

Some Sizes Out of Stock Temperature Range: -20°F to +180°F Sizes I.D. (in.): 8, 12, 14, & 16

“Air Ventilator White”

Temperature Range: -20°F to +180°F Sizes I.D. (in.): 4, 6, 8, 10, 12, 14, 16, 18, 20, & 24

“HVAC Ventilation-Flex”

Some Sizes Out of Stock Temperature Range: -20°F to +160°F Sizes I.D. (in.): 4, 6, 8, 10, & 12

“Wind Handler WS”

Lead Time 4-6 Weeks Temperature Range: -65°F to +250°F Sizes I.D. (in.): 4, 5, 6, 7, 8, 10, 12, 14, 16, 18, 20, 24, 28, 30, 36, 40, 42, 48, & 52

What Is the Vent for on a Portable AC?

The vent on a portable AC is used to expel heat from the unit. Heat inside of the unit is produced during the cooling process, when parts such as the compressor are working to facilitate the heat exchange. The vent, located on the backside of the portable air conditioner, removes the heat from the unit. The portable-air-conditioner vent is assisted by an out-take hose that directs the exhaust from the vent to the outside. Without the AC vent, the air conditioner would have no way to discharge the energy produced by the machinery. The unit would then overheat, causing the portable AC to stop working efficiently. Similarly, without the hose for AC-unit ducting, heat would escape from the portable-AC-hose vent and cycle back into the room you are trying to cool. Without ducting to lead hot air outside or to another room, the vent would merely blow heat out the back, warming the area again. Instead of trying to play hot and cold with your portable air conditioner, make sure to secure your portable-air-conditioner exhaust-pipe to your out-take vent. If you are concerned about the temperature of your hosing, you should consider opting for an insulated-hose for portable-air-conditioner ducting. An insulated AC-exhaust-hose will feature internal, protective layers that will preserve the temperature of the air you are venting. You will not have to worry about whether your AC exhaust-hose is hot or not. If you find your hose hot on portable-air-conditioner ventwork, it could disturb the temperature of your environment. In the case of your portable AC, an insulated AC-vent-hose will prevent your ductwork from leaking hot air, warming your ducting, or raising the temperature in your room in general. can provide an excellent insulated-duct for portable-air-conditioner units that may experience issues in exhaust temperature.

The HVAC Ventilation-Flex Ducting is a PVC- and aluminum-body hose that has a layer of PET-film. Its insulation can accommodate for high levels of temperature, as well as noise, which is perfect for a portable air conditioner. The portable air conditioner is composed of internal fans and compressors—all moving mechanics that create white noise. The HVAC Ventilation-Flex’s PET-film insulation can suppress such noises while also managing temperatures from a range of -20 °F to 160 °F. The HVAC Ventilation-Flex is extremely flexible and compactable, allowing for easy transport and storage. Just like our Air Ventilator Insulated Ventilation Ducts, the HVAC Ventilation-Flex has a compression ratio of 5 to 1, meaning that they can both be reduced from lengths of 25 feet to 5! The Air Ventilator Insulated does not feature an aluminum composition like the HVAC Ventilation-Flex; it is instead made of PVC-fabric and PET-film layers complete with cotton insulation. Because it is composed of PVC fabric, the Air Ventilator Insulated can withstand moisture, UV radiation, ozone, and various oils and alcohols better than the HVAC Ventilation-Flex.

HVAC Ventilation_Double Hose Shot

The Air Ventilator Insulated can also move air at slightly higher temperatures from -20 °F to 180 °F. The HVAC Ventilation-Flex Ducting is the ideal hose for customers searching for a high-quality, cost-efficient, insulated hose for general air ducting activities. The Air Ventilator Insulated Ventilation Ducts, on the other hand, are better suited for residential or commercial applications with higher air temperatures or more volatile elements. Either hose would serve as an amazing conduit for the heat for your portable-air-conditioner venting.

Can You Vent a Portable Air Conditioner into a Bucket?

Yes, you can vent a portable air conditioner into a bucket. A portable AC needs to be periodically drained of the water vapor it pulls from the air. Portable air conditioners work as dehumidifiers, extracting moisture from the hot air as it cools. Some moisture is vented out through the exhaust hose, but the rest is collected in the condensation tank located on top or below the unit. Without a drain hose, you will have to haul your unit to—say—a floor drain, and manually dump the water from the condensation tank. This is why it is advantageous to employ the use of a portable-AC hose/pipe. Drain hoses siphon water from the tank and direct them to other receptacles. However, can you vent a portable air conditioner into a bucket, or can you utilize other containers? It is possible to use bins, buckets, trash cans, or any other large receptacles to store the liquid from your unit until you are ready to dump it. Or, even better, if your drain hose has access—you can pump water from the tank directly into sinks or tubs for instantaneous drainage. If you do not have access to a nearby drain, using a container to store the water that drips from the condensation tank is a viable solution. However, the humidity of your area will affect the amount of moisture your unit draws from the air. Environments with high levels of water vapor in the air will cause your portable AC to collect more moisture.

Dry areas will not have as much moisture present. If you live in a humid climate, you may have to drain the tank as often as every couple of weeks, or as little as every month. In arid climates, it may take some trial and error to figure out how long you can go without emptying your unit. You could potentially go months without needing to drain it. Draining your portable air conditioner into a bucket is a feasible method of removing water from your unit. Not all of the water vapor is exhausted from the portable-AC-unit with duct-work, which necessitates the use of a condensation tank and drain hose.

What Comes Out of Air Conditioner Exhaust-Vents?

Hot air is what comes out of air-conditioner exhaust-vents, along with moisture. During the cooling process, heat and water vapor are created and must be removed from the unit. The portable-air-conditioner vent pipe-work is utilized to exhaust these byproducts outside. Portable ACs start by taking in air from a room via exhaust fan. Once inside the unit, the air passes through condenser coils that are filled with refrigerant. The hot air interacts with the refrigerant and turns it into a gas, removing the heat. Moisture is pulled from the air as a result of the heat transfer and the water vapor is gathered. The cool, dry air is blown back into your room, successfully cooling the area. Heat from the compressors and moisture from the heat transfer are vented out the back of the unit via portable-air-con. exhaust-hose. The exhaust vents exist to allow hot air and vapor to escape. The portable-AC-vent hose’s main function is to move these byproducts from the AC to the outside of the room. It is important that heat is vented from the unit so that the air conditioner can continue its essential task of cooling air. By ensuring each part of the cooling process is brought to completion, the unit will continue to work productively—without incident.

Can a Portable Air Conditioner Be Vented Inside?

Yes, a portable air conditioner can be vented inside. However, the unit’s exhaust should be ducted into another room to ensure that the temperature of the room you are cooling will not be affected. There are many proper ways to vent, all of which require an exhaust pipe for portable-air-conditioner usage. How you vent your exhaust hose into the other room is up to you. The most common method for portable-air-conditioner venting is to lead the exhaust hose outside via window or door. This is why using a window AC-exhaust duct with a window kit is a popular option for venting. These window kits can be utilized on sliding or traditional hung windows to provide an airtight section for the AC hose. Window seal kits are very similar to sliding door kits, which allow your sliding glass doors to be used for venting AC exhaust. If you do not have doors or windows that lead to the outside, you can always ventilate your portable AC unit in other ways. But how can a portable air conditioner be vented inside? For indoor situations, you should vent the exhaust to other rooms in your house. For example, pumping heat into unused spaces like attics or garages are viable options. To reach these empty areas, you may require a longer tube for portable-air-conditioner venting, as well as some creativity. You can route the portable-AC longer hose around doors or even through walls and ceilings!

At, ductwork like the PVC Flexduct (General Purpose) Clear can be easily fitted through tight spaces, making them the ideal portable-air-conditioner exhaust hose. Through wall partitions or ceilings, the flexibility of the PVC Flexduct Clear grants it the ability to be manipulated into different paths. Twists and turns through the inner-workings of your house are no problem for this hose! PVC is also a naturally hardy material and has great moisture and chemical resistance. More importantly, it can survive the abrasions that might occur from being placed through walls or ceilings. Another outstanding feature of this hose is its clear body. The clear frame of this duct allows you to see through it so you can assess any obstructions or blockages that may hinder the air flow of your unit. This will allow you to gauge issues with your ductwork with ease, despite it being placed in tight places. The PVC Flexduct (General Purpose) Clear comes in lengths of 12 and 25 feet so you can successfully ventilate your portable AC no matter how far it may be from its venting source.

PVC Flexduct General Purpose Blue_Flex Shot

If you have too many different hoses and are unable to differentiate them, the PVC Flexduct (General Purpose) also comes in the color blue! The PVC Flexduct (General Purpose) Blue—while still sporting a clear body—is composed of blue PVC. This allows it to stand out from the rest of your ductwork for easy identification. Whether it is portable-air-conditioner venting occurs indoors or outdoors, having a portable-air-conditioner with long vent-hose capabilities will help you achieve proper ventilation with ease.

The exhausting and draining of your portable air conditioner are two different scenarios that require two different types of hoses. Nevertheless, they are the result of the natural processes of portable-air-conditioner venting. A portable AC draws in air from a room and uses refrigerants and coils to cool it down. This process creates cold air as well as moisture. The cool air is blown out of the unit, while some of the moisture is vented out with the hot air. Some of the moisture is collected in the condensation tank, which can be drained into buckets, sinks, or any similar receptacles. Whether it is venting air or draining water, the key function of these procedures is to remove certain byproducts via portable AC-unit vent-tube or drain tube. Following the proper methodology of such processes will ensure your unit works efficiently and effectively. Whether you want to follow these guidelines is up to you. However, following these standard procedures will result in a healthy and long-lasting portable AC unit. Knowing how portable-air-conditioner venting works, as well as the function of accessories such as the portable-air-conditioner duct-hose, will help you understand and care for your portable air conditioner.