Are Portable Air Conditioners Worth It? Pros and Cons

Hot weather hits hard and fast. If your house doesn’t come with central air and a window AC unit isn’t feasible, you may find yourself drooling over ads for portable air conditioners. Are they worth your hard-earned money? Here’s the truth about portable AC units. 

What Exactly Is a Portable Air Conditioner? 

A portable air conditioner is an AC unit designed to sit on your floor. It works by sucking up hot air from the room and blowing cold air back out after cooling it over an internal refrigerant coil. Hot air is vented out of the room through an exhaust hose that you will need to connect to a window.

The cool part is that most portable ACs are built on little wheels. This lets you move them from room-to-room as needed. They don’t require mounting or drilling into your walls. You should be able to install most models in under half an hour.

There are two types you’ll find: single-hose and dual-hose. With single-hose units, your machine sucks air from inside your room to vent the hot air outside. In doing so, it can create negative pressure that draws warm air into the room from other spaces. Dual-hose units suck in outdoor air to cool the condenser and exhaust that air back outside.

The Pros 

Installation is easy. 

No need to call in specialists or file for permits. Most brands come with some kind of window kit that will slide down into a standard window frame. You vent your exhaust hose through the window kit, and you’re ready to cool your space. Renters rejoice; this is your best option if your landlord does not allow installations.

They’re flexible and portable.

As we mentioned above, you can pick up these units and roll them anywhere in your home. Want to sleep in a cool bedroom at night? No problem. Daytime, you can keep your living room cool instead. A window unit can’t do that. 

You can use them where window units won’t work. 

If your apartment building doesn’t allow window ACs for safety or aesthetic reasons, you might have no choice but to suffer. Other times, your window may open horizontally or be too narrow for any kit to fit. Portable air conditioners can solve both those problems.

Cheaper than central air. 

If you need to keep one room or a small apartment cool, spending $3,000 to install central AC makes little sense. Portable units start at around $300 to $700 for a good model.

Many have modern features. 

A lot of newer models include programmable timers, sleep modes, and remote controls. You can even find models that pair with smartphone apps. This gives you more control over your space and energy usage without constantly adjusting the thermostat manually.

The Cons 

Less efficient than window AC units. 

This is easily the biggest complaint against portable models. Because the compressor is inside your room rather than outside like a window unit, it actually blows some of that heat it just removed back into your space. Not only will your room take longer to cool down, but your portable AC has to work harder to continue doing so. Consumer Reports even did tests that showed portables fail to cool rooms at all compared to window units of similar quality.

Higher electricity bills. 

If an AC has to work harder, it’s going to use more electricity. Run it all day long, and you’ll definitely notice higher than normal cooling costs. A window unit or mini-split will almost always cool your space more efficiently.

Noise. 

Since the compressor is indoors, you will hear your portable AC running. Manufacturers have gotten better at limiting this noise, but it still emits a noticeable humming sound. Window units trap the loudest components outside your house. You are literally sitting next to your portable air conditioner’s noise source. Some folks don’t mind it. Others can’t sleep or work with it blowing next to their heads.

They take up space. 

Despite rolling wheels, these machines are big and bulky. For folks living in small apartments or studios, a portable air conditioner in the corner taking up precious space while a hose hangs out the window can feel like a significant invasion. You also can only place them where the hose can reach a window.

Condensation can be annoying. 

All air conditioners suck moisture out of the air as they cool your room. This water has to go somewhere. Some portable AC units feature a self-evaporating option that simply vents this moisture outside through the hose with the hot air. Others use a collection tank you need to empty manually. Forgetting to drain the tank can even cause some models to shut off automatically until you do. Ugh. 

Shorter lifespans. 

Depending on who you ask, portable AC units can last anywhere from 5 to 15 years. However, most research and consumer reports put the number at around 7 to 10 with proper care. That doesn’t sound so bad until you realize that well-maintained central AC systems can last two times that long.

Who Needs a Portable Air Conditioner? 

In short, only a few specific groups of people really need these systems. They include: 

• Renters unable to install window units 
• People who have oddly-sized windows that can’t fit standard window kits
• Those who need to cool multiple rooms at one time
• People on a budget who need cooling right away
• Owners in moderate climates who only use air conditioning a few weeks per year

If you own your home and live in a climate where you crank up the AC every summer, you’re better off investing in a window unit or ductless mini-split. You’ll get better cooling for less money over the life of the device.

Case Study: Portable Air Conditioner for Rental Apartment 

Client: Tenant renting a small one-bedroom apartment without permission to install a window unit

Problem: Apartment gets extremely hot during the summer months. Indoor temperatures regularly surpass 30°C (86°F). I need a way to cool my place down without installing anything permanently.

Solution: 

• Bought a dual hose portable AC unit (more efficient)
• Attached provided window venting kit to sliding window in apartment.
• Kept it in the living room during the day and moved into the bedroom at night.
• Installed programmable timers to minimize unnecessary runtime. 

Make sure to seal the window kit tightly to keep warm air out.

Results: 

• Got my room down to a nice 22–24°C (72–75°F) within one hour.
• Sleep and daytime discomfort was significantly less. 
• The electricity bill went up a little but was still decent since I controlled run times.
• Was able to move units between rooms to cool areas without buying more units.

Moral of the story: Get a portable AC if you’re looking for something short term or don’t want to be stuck in one room. They can be great if used correctly, but be aware that portable units aren’t as quiet or efficient as traditional models.

https://www.justanswer.com/real-estate-law/52ocq-air-conditioning-not-cool-apartment-below-80-degrees.html 

Portable AC FAQ 

Are portable air conditioners worth buying?

Portable AC units are great if you need a portable/climactic solution to cooling without installing an unit. Renters can benefit greatly from portable units. 

Do portable air conditioners work? 

Yes, but the cooling power isn’t as strong compared to window air conditioners. You’ll have to run it longer to achieve the desired effect.

What is the difference between single hose and dual hose portable AC units?

With single hose units, you are using the air from inside your home to help cool the exhaust. A dual hose system uses outside air to help cool your space, making them more efficient.

Will a portable air conditioner increase my electricity bill?

Some may argue that portable air conditioners use more electricity than traditional cooling methods. Since they have to work harder to keep your room cool, this is true.

Are portable air conditioners loud? 

Yes. Because the compressor is inside the room instead of on the outside like other units, you will notice the sound it makes. However, technology has helped reduce this problem in recent years.

Do portable air conditioners drain water? 

There are self-evaporated units that won’t have you constantly emptying a water tank. However, these units aren’t as efficient and therefore run longer.

Can I move my portable air conditioner from room to room?

Yes. Most portable air conditioners come with wheels for easy transition. Just remember, you will need window access to vent the hose.

How long do portable air conditioners last? 

Portable air conditioners can last you anywhere from 7-10 years if you maintain them.

Do portable air conditioners need installation? 

You do not need to hire someone to install your portable air conditioner. The only “installation” you need to do is with the included window vent kit. Installation typically takes less than 30 minutes. 

Who can benefit from using a portable air conditioner?

Renters, small spaces, people looking for something short term, or uneven homes where traditional AC units can’t be installed.