Top 7 Quietest Portable Air Conditioners 2022 (Under 42 dB) (2023)

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The quietest portable air conditioners have a noise level of 42 to 53 decibels on the lowest decibel setting. They are good options for small quiet portable air conditioner units for bedrooms, a child’s nursery, home office and other locations where it is important to keep noise to a minimum.

Content Navigation

  • How Many Decibels is a Quiet Portable Air Conditioner?
    • What Are The Main Sources Of Noise For a New Portable Air Conditioner?
  • Tips for Choosing a Quiet New Portable Air Conditioner
  • Is a High BTU Portable AC Noisier?
  • Top Quiet Portable Air Conditioners
    • Dreo TwinCool Inverter Portable Air Conditioner with Dual Hose (10,000 SACC)
    • TOSOT Aolis Series BTU Portable Air Conditioner (8,000 BTU SACC)
    • LG Quiet Operation Portable AC (6000 BTU SACC)
    • LG Quiet Operation Portable AC (7000 BTU SACC)
    • De’Longhi Pinguino Portable AC (6700 BTU SACC)
    • hOmelabs Portable AC (10,000 BTU SACC)
  • How to Make a Portable AC Quieter
  • Quieter Alternatives to a Portable AC

How Many Decibels is a Quiet Portable Air Conditioner?

The lowest decibel portable ACs can be as quiet as 42 decibels, but most of them run closer to 50 to 53 decibels. We’ve researched portable air conditioners from 8000 to 14000 BTUs to find those that:

  • Run quietly
  • Have high ratings for dependability and customer satisfaction

A portable AC, aka a standing air conditioner or room AC, with a noise level in the 40s to low 50s is quieter than the noise level you experience riding in most cars, and the noise should not affect your sleep.

In fact, some consumers consider the sound “white noise” that can block out noise from other sources and make it easier to sleep.

What Are The Main Sources Of Noise For a New Portable Air Conditioner?

There are a few main sources of noise for any AC including portable air conditioners – the fan motor and the compressor.

Here are common sources of portable air conditioner noise.

1). The compressor turning on and off: When the AC begins to cool, the compressor kicks on, and that usually makes a small buzzing or jolting noise. And once the air conditioner has effectively cooled the air to meet the thermostat setting, the compressor turns off, which can also cause a sudden noise.

If you choose a portable air conditioner that isn’t too big for the area you want to cool and it has an inverter compressor, the unit might run most or all of the time. That’s OK. It won’t harm the AC. In fact, an air conditioner compressor that runs all or most of the time will last longer than one that turns on for a while, and then shuts off, and repeats the on/off cycle frequently.

2). The compressor running: The AC is loudest when the compressor is functioning and the unit is in cooling mode. Some refer to it as the compressor humming and buzzing when running. Even though it is a constant noise, it might be loud enough to bother some people or wake up a light sleeper.

3). The fan running. Most portable ACs have at least two fans speeds, though some have three. Setting the fan speed to low or medium rather than high will keep the noise level to a minimum.

Tips for Choosing a Quiet New Portable Air Conditioner

When it is important to have a quiet floor air conditioner, you have a couple good options.

1). Choose an Inverter Portable Air Conditioner

An inverter AC refers to the type of compressor. There are three things to know about an inverter compressor portable air conditioner.


  • Run about 7-10 decibels (we analyzed 1,500 portable ACs on the market) quieter than units with a standard compressor.
  • Make less sudden jolting or buzzing noises because the compressor runs longer – even most of the time if the unit is properly sized or undersized for the room.
  • Are more efficient, so your energy costs will be lower.
  • Cost more than portable air conditioners with standard compressors.

So, you pay more upfront, but less in monthly electricity costs. And for the extra money, you also get a quieter unit with a compressor that doesn’t kick on and off as often.

2). Buy An Evaporative Cooler, Which Is Also Called A Ventless Portable Air Conditioner.

These units don’t have a compressor. Instead, they cool the air with evaporation – just like your skin feels cooler as water evaporates off it on a warm day.

Evaporative coolers cost less than most portable air conditioners. They work pretty well in dry climates – not so great in humid climates because water doesn’t evaporate as quickly when the air already has a lot of moisture in it.

They’re called ventless ACs because they don’t use a vent hose to exhaust warm, humid air from your home. In fact, they won’t contribute to an overall cooler room, but if you sit in front of a ventless portable AC, aka an evaporative cooler, the air that the fan blows on you will be noticeably cooler than the surrounding air. They are a cost-effective way to stay cool in a dry climate.

Is a High BTU Portable AC Noisier?

Generally speaking, the larger the portable AC, the more noise it will make. But if the units are pretty much the same size and have the same internal technology, the noise level might increase by only 1 or 2 decibels (as noted, our research team analyzed specs of 1,500 portable ac units) for every 1000 or 2000 BTU increase.

Bigger isn’t always louder. For example, the LG 6000 and 7000 BTU portable ACs have the same noise level – a very quiet 51 decibels.

(Video) 6 Quietest Portable Air Conditioners - Reviewed by Decibels!

Noise level really depends on the compressor type.

A small portable air conditioner with a traditional compressor will be noisier than a large unit with inverter technology.

Top Quiet Portable Air Conditioners

Here’s the exciting part! We have done the research to produce a list of the quietest portable air conditioners available today that are also highly rated.

Quiet operation and quality that will last. It’s got to have those two things. What good is being quiet if it is junk?

So, these lowest decibel portable units will do a good job cooling and dehumidifying the space, and they run quietly enough to be used in a bedroom, office, nursery, library, etc.

Shopping Tip: What’s up with the different BTU ratings? We cover this topic in full detail on another page. But basically, portable air conditioners are not quite as effective as window air conditioners.

So, the US DOE came up with a different rating system for them in 2017. It is referred to as the DOE or SACC rating (or sometimes both – DOE SACC). When sizing a portable AC, use the DOE SACC rating. Sometimes you have to read the fine print to find it, but it is important.

Dreo TwinCool Inverter Portable Air Conditioner with Dual Hose (10,000 SACC)

Top 7 Quietest Portable Air Conditioners 2022 (Under 42 dB) (1)

This might be the quietest portable air conditioner available today at just 42 decibels, easily the quietest dual hose portable air conditioner. The low noise level is achieved with an inverter compressor and unique airflow technology. This Dreo TwinCool portable AC is highly rated too and has one of the largest BTU outputs for a portable type.

It has dual hoses, a feature that makes the unit about 40% more efficient than single-hose models. Note, just the old BTU rating is given at the top of the page, but later it is listed as 10,000 BTU by SACC standards.

The hose, at about 4 feet, is a little shorter than other portable air conditioner hoses.

Sound Level: 42-53 decibels

Efficiency, if known: Unavailable

Size & Coverage: 10,000 BTU, up to 450 square feet.

Features: Dual hose efficient design, full-function remote with I Sense sensor in the remote to ensure the air is comfortable at the remote (or where you are with the remote nearby), caster wheels for easy moving, 5 Modes – AC, Fan-only, Dehumidify, Auto and Sleep. Like most portable ACs, it is self-evaporative, so you likely won’t have to empty it – moisture is exhausted through the hose.

Weight: 73 pounds

Best Use: Bedroom, nursery, dorm room, tiny house, office, library. It might be large enough for a small apartment too with an open floor plan. Anywhere you want one of the quietest dual hose portable air conditioner units made today.

TOSOT Aolis Series BTU Portable Air Conditioner (8,000 BTU SACC)

Top 7 Quietest Portable Air Conditioners 2022 (Under 42 dB) (2)

The TOSOT brand is made by Gree, a respected manufacturer or HVAC systems including mini split heat pumps.

The Aolis Series is quiet and effective for cooling up to about 300 square feet. The literature says 450 square feet, but that would be using the old BTU rating, not the SACC 8,000 BTU rating.

Sound Level: 50-53 decibels

Efficiency, if known: N/A

(Video) Top 5 BEST Portable Air Conditioners of [2022]

Size & Coverage: 8,000 BTU for up to 350 square feet.

Features: AC/Fan/Sleep/Dry (dehumidifier) Modes, Removes up to 81 pints of water per day, Swing function distributes air in a 90-degree sweep. Self-evaporative, so most of the water is exhausted rather than filling the reservoir. 3 fans speeds plus Auto. 24-hour On/Off timer.

Weight: 76 pounds

Best Use: Medium-sized rooms, 20×16 for example. It is quiet enough for a bedroom, and is a good choice for offices, living rooms and where you don’t want noise impacting your ability to hear conversation or media playing.

LG Quiet Operation Portable AC (6000 BTU SACC)

Top 7 Quietest Portable Air Conditioners 2022 (Under 42 dB) (3)

Even when running at full power, this unit puts out only 53 decibels, and just 50 dB on low.

This small portable air conditioner with low noise output is a good choice in rooms around 250 square feet, or a room about 16×15 feet.

It is an evaporative portable AC, so there’s no tank to empty unless your climate is super-humid. This unit has good features that make it easy to use. Caster wheels and lightweight design make it easy to move from room to room. The LG model number is LG LP0621WSR

Sound Level: 50-53 decibels

Efficiency, if known: 6.51 CEER

Size & Coverage: 6,000 BTU. Up to 250 square feet.

Features: 2 Cooling and Fan settings. – larger portable air conditioners usually have 3 settings. AC/Dry/Fan-only Modes. Auto-swing louvers for better air circulation. Casters. LCD remote and 24-hour Timer.

Weight: 55 pounds

Best Use: Small bedrooms or a nursery.

LG Quiet Operation Portable AC (7000 BTU SACC)

Top 7 Quietest Portable Air Conditioners 2022 (Under 42 dB) (4)

This LG portable air conditioner is the next size up with the same noise levels – 50 decibels on low and 53 on high. That’s about as quiet as you can get for a portable AC with a traditional compressor, not an inverter unit.

LG is a highly rated brand, and this unit should operate durably for many years. It is designed to cool around 300 square feet.

Sound Level: 50 & 53 decibels

Efficiency, if known: 6.88 CEER

Size & Coverage: 7000 BTU, up to 250 square feet.

(Video) ✅ TOP 5 Best Portable Air Conditioner in 2022 | Budget home

Features: AC/Dry/Fan-only modes. The Dry mode on a portable AC removes moisture without cooling the air. It’s a good option for cool, clammy days when you want less humidity but don’t want to chill the air. 24-hour Timer. Remote. Casters for moving.

Weight: 57 pounds

Best Use: Medium-sized bedrooms, home office.

De’Longhi Pinguino Portable AC (6700 BTU SACC)

Top 7 Quietest Portable Air Conditioners 2022 (Under 42 dB) (5)

This is an excellent small quiet portable air conditioner, and it is very quiet at 53 decibels.

But its online information demonstrates the problem with using the outdated BTU ratings, which for this one is 11,500 BTU.

The SACC ratings are 6,700, a much more accurate rating. But the information says it will cool up to 500 square feet (based on the old ratings). There is no way this unit will serve that much space.

As long as you understand that, and only expect this unit to cool about 200-250 square feet, then it will serve you well.

Sound Level: 53 decibels on Low setting

Efficiency, if known: 7.3 SEER, which is about half the efficiency of the least-efficient central air conditioners. This is not the most efficient model on our list, but it is good-quality and will perform well for many years.

Size & Coverage: 6,700 BTU, up to 250 square feet.

Features: Quiet setting for lowest-noise output. Just keep in mind that it won’t cool as powerfully on that setting. Remote and 24-hour Timer. 3 Modes – AC, Fan-only and Dry. Caster wheels and handles make it easy to move.

Shopping tip: De’Longhi makes a universal exhaust hose cover that makes the unit more efficient by preventing heat from escaping back into your living space before it can be vented. It will improve any portable air conditioner’s efficiency and make your room more comfortable too.

Top 7 Quietest Portable Air Conditioners 2022 (Under 42 dB) (6)

Weight: 63 pounds.

Best Use: Small spaces – a small bedroom, office or den. Room sizes 15×16, 20×12 and similar.

hOmelabs Portable AC (10,000 BTU SACC)

This is one of the quietest portable air conditioners in its size with lowest decibel operating noise of 51 decibels.

hOmelabs, with the strange spelling, is a newer brand, and it makes high-quality appliances.

Sound Level: 51-53 decibels

(Video) Top 3 Portable Air Conditioners in 2022 👌

Efficiency, if known: 6.8 CEER – one of the most efficient portable air conditioners on this list.

Size & Coverage: Using the 10,000 BTU SACC rating, this unit will cool up to 400 square feet.

Features: Convenient Remote, Wheels, 4 Modes – AC/Auto/Fan/Dry, Dirty Filter indicator light lets you know when it is time for cleaning. Auto-swing function distributes air evenly. A drain hose is included, but this unit is self-evaporative, so most of the moisture will be vented out the window. Casters make this floor air conditioner easy to move.

Weight: 73 pounds

Best Use: Rooms around 20×20 or 25×16. It is quiet enough for most people to be able to sleep with it running.

How to Make a Portable AC Quieter

Running the AC on its lowest setting is the best way to make a portable air conditioner quieter – but of course, the trade-off is less cooling power when it is on low.

Sleep and Eco modes are also quieter modes. All those options run the unit at a lower speed, and thus quieter.

If you are handy, you can take the outer cabinet off of the AC and use insulation materials – foam, cork tape, fiberglass batts – to do two things:

1 – Dampen the noise

2 – Stop vibrations

This video sounds weird with the digitally produced voice, but it does show how this can be done. The video is for a central AC, but the same materials and concepts can be used for how to make a portable AC quieter.

Here are a few more good tips for how to make a portable air conditioner run quieter:

1 – Place it on carpet, which absorbs vibrations and lowers the noise (if all your floors are hard surfaces, then get a carpet square or small throw rug, or fold up a towel or blanket to place the AC on. It will have the same effect.

2 – Wrap a blanket around the AC. The thicker the blanket, the more sound it will absorb. Just DON’T block airflow, or you will stop cooled air from getting into your living space. You might need a roll of duct tape to keep the blanket in place.

Quieter Alternatives to a Portable AC

Generally speaking, the quietest portable air conditioners and window air conditioners have similar noise levels. Those with inverter compressors, either window ACs or portable ACs, will be quieter.

Window ACs – Keep this in mind. The noise-making part of a window AC is partly outside the window, so while the unit might make the same noise level as a portable air conditioner, it usually isn’t as loud indoors.

Units like the Midea U-Shaped window air conditioner are the best in this regard. The window sash comes down between the two sides of the AC, so there is even more insulation against compressor noise.

If you need air conditioning, then there really isn’t a good alternative. Of course, you could upgrade the HVAC system to a mini split AC or heat pump, but they start at more than $2,000 for a single zone system.

Otherwise, fans and evaporative coolers can help reduce how hot the room feels. But they aren’t as effective as air conditioning.

Top 7 Quietest Portable Air Conditioners 2022 (Under 42 dB) (8)

Written by Rene Langer

Rene has worked 10 years in the HVAC field and now is the Senior Comfort Specialist for PICKHVAC. He holds an HVAC associate degree from Lone Star College and EPA & R-410A Certifications.

(Video) ✅ TOP 5 Best Portable Air Conditioner [ 2022 Buyer's Guide ]


Is 42 dB loud for AC? ›

So, if you're looking for a quiet AC, make sure it's within 50 to 60 dB.

How many dB is a loud air conditioner? ›

Air conditioning units, fans and evaporative coolers will emit between 37 and 82 decibels, depending on the model.

How loud is LG portable AC? ›

The LG did just that, with ongoing noise levels of 70 decibels at its highest point that made it the quietest of the four units we tested. The 14,000 BTU Whynter, while significantly more powerful, began to fall back here, producing a much louder noise level that we would not recommend for a bedroom.

Are all portable air conditioners noisy? ›

Let's get right to it: no, there aren't any portable air conditioners that are completely silent. You'll always hear noise. But some air conditioners are louder than others. It's important to know is that a difference of a few decibels can make a big difference in the intensity of the sound.

Is 42 dBA quiet? ›

As stated before, anything under 50 dBA will be quiet. Anything under 40dB would be barely audible. Basically, every stainless steel dishwasher is going to run at less than 50 dBA and most of them will run under or around 40 dBA.

Can you hear 40 dB? ›

Mild Hearing Loss: Between 26 and 40 Decibels

They can still hear most of what they heard when they had normal hearing, and they're able to hear many sounds if they get closer to the source or raise the volume. If you have mild hearing loss, you won't be able to hear: People whispering. Refrigerators humming.

Is 40 dB loud for sleep? ›

For your restful sleep, you need a room where the ambient sound is 30dB or less, says the World Health Organization research findings.

Is 45 dB loud for AC? ›

There will generally be two numbers: one that refers to the noise that a unit makes inside the home, and the other that refers to exterior noise. When it comes to interior noise, these days it's reasonable for some new split system air conditioners to be no louder than 35 dB (depending on unit capacity).

Is 40 dB loud for a fan? ›

40dB is generally considers to be as loud as most people want to have a constant noise level .. as in background noise in home environment.

What is a quiet decibel level for a portable air conditioner? ›

Quiet portable air conditioners have a noise level that ranges from 44 dB, or lower, to 51 dB. What is this? Just 9.26% of the portable AC units studied fall within this range. The most energy efficient quiet portable air conditioner is the BLACK+DECKER BPT05WTBA, which has a 9.55 EER and sound rating of 51 dB.

What is one of the best portable air conditioners? ›

What Is The Best Portable Air Conditioning Unit To Buy? The best unit to buy is one that suits your space and budget, however we chose the Whynter Elite ARC-122DS as our top pick overall thanks to its decent power (12,000 BTU ASHRAE), cooling capabilities in rooms up to 400 square feet and attainable price point.

Are there any portable AC that actually work? ›

At its price and Btu rating, the LG LP0621WSR Portable Air Conditioner did a great job of cooling in our tests. It's designed to cool rooms of about 250 square feet, but it cooled our 550-square-foot testing room by more than 2 degrees in the two-hour testing period. That's pretty good.

How many decibel DB can LG split air conditioner have? ›

For its indoor units, LG offers models with a sound level of 19 dBA to 64 dBA.

How many DB is a mini split? ›

The mini split systems are the quietest air conditioners you can find on the market. They have an average noise level of 32 decibels. To put that into perspective, window units and split and packaged central air conditioners have an average noise level of 50-72 decibels.

How loud should a portable AC unit be? ›

Normal Levels and Air Conditioners. These days most portable air conditioners have normal decibel levels in the 40 to 60 range. This level can be affected by: Where the AC unit is located.

Which AC makes less noise? ›

Ductless 'mini split' systems like Mitsubishi home air conditioning systems are the quietest air conditioners on the market today. With an average noise level of 32 decibels, ductless systems are not only whisper quiet, they offer some of the highest SEER ratings and most efficient performance on the market.

How do I make my air conditioner not loud? ›

Dampen the Noise With Fences, Bushes, or Shrubs
  1. Purchase a compressor blanket. Ask your HVAC technician to install a compressor blanket. ...
  2. Plant bushes or shrubs. A bush or shrub is an attractive way to block the noise from your condenser. ...
  3. Erect a fence. Build a fence around your condenser to block the noise.

How can I make my portable air conditioner less loud? ›

Making a Portable Air Conditioner Quieter
  1. Run it on a Lower Setting. Just like when you are learning how to make an air conditioner with a fan, the higher the setting, the louder the appliance. ...
  2. Replace or Clean Air Filters. ...
  3. Absorb the Noise. ...
  4. Purchase a New Quieter Model.
16 Sept 2022

What does 42 decibels sound like? ›

30 dB: Whispering nearby. 40 dB: Quiet library sounds. 50 dB: Refrigerator. 60 dB: Electric toothbrush.

What does 40 decibels sound like? ›

Comparative Examples of Noise Levels
Noise SourceDecibel LevelDecibel Effect
Library, bird calls (44 dB); lowest limit of urban ambient sound40One-eighth as loud as 70 dB.
Quiet rural area.30One-sixteenth as loud as 70 dB. Very Quiet.
Whisper, rustling leaves20
Breathing10Barely audible
11 more rows

Which is quieter 40 dB or 50 dB? ›

It gets a little confusing because decibels are measured on a logarithmic scale based on a power of 10. For those of you without math degrees, this simply means that every increase of 10 decibels doubles the intensity of the sound. So a 50-decibel dishwasher is actually twice as loud as a 40-decibel dishwasher.

Is 40 dB loud or soft? ›

What Noises Cause Hearing Loss?
Everyday Sounds and NoisesAverage Sound Level (measured in decibels)Typical Response (after routine or repeated exposure)
Ticking watch20Sounds at these dB levels typically don't cause any hearing damage.
Soft whisper30
Refrigerator hum40
Normal conversation, air conditioner60
13 more rows

What is normal hearing for a 70 year old? ›

The prevalence of hearing loss increased with age at all frequencies for both men and women. Among participants aged 60 – 69, 42.7% had a hearing loss at 3000 Hz, 54.3% at 4000 Hz and 79.5% at 6000 Hz. Among the participants 70 years or older, the figures were 70.7% at 3000 Hz, 78.4% at 4000 Hz and 93.2% at 6000 Hz.

How many dB is a good sound? ›

Decibels are the unit of measurement for sound, abbreviated dB. Sounds at or below 70 dB are considered safe for our hearing. That's the sound of a normal conversation between two people. Sounds at 80 or 85 dB will damage hearing over time.

Can you measure decibels with iPhone? ›

Thankfully, iPhone and Apple Watch feature both ambient (environmental) and headphone decibel monitoring that are quick and easy to use, including noise threshold warnings.

What dB should bedroom be? ›

For example, people generally only feel comfortable with a noise level of 30 – 40dB in a bedroom but will happily work in an open plan office with a noise level of 45 – 50dB. You would expect a background noise in a library to be around 30dB.

Is 44db loud for AC? ›

There are different standards for Air Conditioners for compressors and Indoor units. The high standard of noise level for indoor units are 50dbs to 55 dbs at 1.5 mtrs and outdoor at 60 - 65 dbs at 1.5 mtrs. There are different standards for Air Conditioners for compressors and Indoor units.

What is a good dB for fans? ›

Fan motors work harder to spin faster. We suggest staying under 25 decibels to be unnoticeable in most residential or office situations.

How many Hz is 40 dB? ›

Using the 1000 Hz sound as a standard, for example, if you look at the 40 phon line*2, the sound pressure of 1000 Hz is 40 dB, but you can tell it's 60 dB for 125 Hz, and 73 dB for 63 Hz.

What is the quietest air conditioner for small room? ›

  • GE Profile Ultra Quiet 6150 WiFi Window AC.
  • LG Energy Star Rated 6,000 Window AC.
  • Midea U-Shaped Inverter Window AC 8,000 BTU.
  • Haier Serenity Series 6, 000 BTU Window Air Conditioner with Ultra Quiet Sound Package.
  • Midea U-Shaped Inverter Window AC 10,000 BTU.
  • Soleus Air 6000 BTU Saddle AC & 8000 BTU Saddle AC.
22 Jul 2022

How many dB is a quiet air compressor? ›

Quiet air compressors operate in the 70- to 80-dB range, while ultra-quiet air compressors operate at 60 dB.

How much should I spend on a portable air conditioner? ›

Portable air conditioners aren't cheap. Small, personal models can cost around $50, but for a unit that will cool an entire room, you're likely to spend at least $200. The large and more powerful the unit, the more you'll pay. Many models available online range from $250-$499 for rooms between 200-650 square feet.

What is the disadvantage of portable AC? ›

The Cons: Limitations of Portable AC

Portable air conditioners often take more BTUs — and therefore use more electricity — to cool the same square foot space as a window unit. This is likely because they generate waste heat indoors instead of outside, creating more overall heat for the unit to deal with.

What is the best BTU for a portable AC? ›

A small 8,000 BTU will cool down a small 150 sq ft room. The bigger 14,000 BTU ones will generate enough cooling output to cool down larger rooms. The biggest 14,000 BTU will cool down a combined area of 350 sq ft to 700 sq ft (you can check the 'Cooling Area' specification in the table below).

Are any portable air conditioners Energy Star rated? ›

Are there ENERGY STAR certified portable room air conditioners? At this time, portable room air conditioners are not ENERGY STAR certified products.

Do all portable air conditioners have to be vented out a window? ›

Do all portable air conditioners have to be vented out a window? No. With a ventless portable AC system, you don't need to vent anything out the window—but it will be harder to circulate the hot air from the room without one, so you'll need to come up with another solution (like a fan).

Is it cheaper to leave portable AC on all day? ›

First things first, yes, it is more efficient to leave your air conditioning on. This doesn't mean what many people assume, though. You shouldn't be leaving your air conditioner on full blast 24/7 by any means. There's a right way and a wrong way to do this, which we'll explore shortly.

What is the best smallest portable air conditioner? ›

The Arctos Portable Air Conditioner Fan is the smallest portable air conditioner we've reviewed. It's diminutive at about 6.5 inches wide and 9 inches high.

Is there a portable air conditioner without a hose? ›

You can't get a portable AC unit without a hose. It's just not physically possible (a hoseless portable AC would break the 2nd Law of Thermodynamics). That, however, doesn't mean you won't be able to provide cooling for your room/s. Portable AC units without a hose don't exist.

How big of a room will a 10000 BTU portable air conditioner cool? ›

10,000 BTUs will cover 300 sq. ft. (2,400 cubic feet)

Which AC brand is quietest? ›

The quietest AC units

Carrier Infinity® 26 Air Conditioner with Greenspeed intelligence: As low as 51 db. YXV 21 SEER Variable Capacity Air Conditioner: As low as 53 db. Trane XV18 TruComfort™ Variable Speed: As low as 57 db. Lennox XC25 Variable-Capacity Air Conditioner: As low as 59 db.

Is 56 decibels loud for a portable air conditioner? ›

Portable air conditioners are not quiet. They produce noise levels that range from 44 dB to 64 dB, with 54.6 dB being the average and 56 dB being the most common. Portable air conditioners have a noise level that is equivalent to the sound level of a whisper right up to the sound level of a normal conversation.

Do they make a portable air conditioner that doesn't have to be vented? ›

Yes. The truly ventless cooling devices are called evaporative coolers or 'swamp coolers'. They create airflow and cool you like a cool wind; they do not, however, lower the overall temperature of the room like portable air conditioners that need to be vented.

Can you make portable AC quieter? ›

Make sure you clean or replace the air filters on the portable unit when they become clogged to reduce the noise. You can also try wrapping the portable air conditioner in a noise-absorbing blanket, leaving room for the vents, thus reducing the level of vibration in the portable air conditioning unit.

Are portable air conditioners noisier than window units? ›

In fact, that may not be the case at all for some units. But the noise from a window air conditioner is directed outside, meaning you don't hear most of it in your home. Portable air conditioners, on the other hand, have nowhere else to direct the noise. As a result, they'll sound louder.

Are portable air conditioners louder than window units? ›

Noise. If you compare the data in decibels for both types of air conditioners, window models are usually louder than the portable alternatives. For the same number of BTUs, window ACs are noisier.

How much dB is too quiet? ›

That said, appliances with a dBA rating of 38-40 dBA are considered to be silent. Which means you won't hear it over your conversation and other background noise.

Do all portable AC units have exhaust? ›

Notably, all portable air conditioners require a vent to exhaust the warm air. If you leave the vent hose inside the room, you'll get cold and warm air. Consequently, it can interfere with the effectiveness of your portable AC. You'll also use a lot of energy to cool the room.

Why are portable air conditioners not popular? ›

The Cons: Limitations of Portable AC

Portable air conditioners often take more BTUs — and therefore use more electricity — to cool the same square foot space as a window unit. This is likely because they generate waste heat indoors instead of outside, creating more overall heat for the unit to deal with.

How do you ignore an air conditioner noise? ›

Get a Sound-Absorbing Blanket

It is easy to add a layer of soundproof material to your AC. Sound-absorbing blankets are cheap and easy to use. The blankets tend to reduce compressor noise by 40%. When buying the blanket, consider the size of your AC unit and the make or model.


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