9 Best Portable Air Conditioners for One Room (November 2026)
The best portable air conditioners for one room include the Shinco 12 for most single rooms, the GrowthWing 14 for smart control, and the Black+Decker 10 for follow-me cooling.
On this page (8 sections)
- The best portable air conditioners for one room
- How the picks compare side by side
- How these were compared
- What size portable AC does one room need?
- Where should the unit sit in the room?
- Does a portable AC have to be vented out a window?
- Do you have to empty the water tank every day?
- Is the best portable air conditioner for one room worth it?
The best portable air conditioner for one room is the Shinco 12, a 12,000 BTU unit rated for 450 sq ft. It gives a bedroom or living room enough cooling headroom to drop the temperature fast, then hold it without working flat out.
That rating matters more than most spec lines. A unit sized for the room runs shorter cycles, which means less noise and less strain than a small AC pushed past its limit.
This guide is built for the one-room shopper: someone cooling a bedroom, home office or living room, not a whole house. Every pick here vents through one window and plugs into a standard outlet.
If you're cooling something smaller, our portable air conditioner for small room guide narrows the list further. If you want heating too, the portable air conditioner with heat roundup covers that.
Our picks at a glance
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1
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2
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3
Best for follow-me coolingBlack+Decker 10,000 BTU portable air conditioner
9.1/10 our score
See it on Amazon
- 4
Check itDREO Portable Air Conditioner 319S
Best for quiet bedrooms - 5
Check itAir Choice 10000 BTU Portable Air Conditioners
Best for renters - 6
Check itHUMHOLD 14000BTU Portable Air Conditioners
Best for swing airflow - 7
Check itMidea 8,500 BTU portable air conditioner
Best for tight floors - 8
Check itSereneLife 8,000 BTU dual motor portable air conditioner
Best for hot garages - 9
Check itSereneLife 8,000 BTU portable air conditioner with heat
Best for shoulder seasons
The best portable air conditioners for one room
The Shinco 12 is the pick for most people because it balances capacity, weight and features. Behind it, each unit below wins on one specific need: smart control, quiet nights, a rental-friendly install or a room that needs heat in October.
Shinco 12: Best for most single rooms
- 12,000 BTU ASHRAE, 7,500 BTU SACC
- Rated for 450 sq ft
- Cool, fan and dry modes
- 24-hour timer and remote
Enough cooling for a full-size bedroom or living room, with a self-evaporating dry mode that cuts how often you empty water.
Pros
- Cooling headroom for one large room
- Self-evaporating dehumidification
- 24-hour timer and swing function
Cons
- 56.2 lb, so it stays put once set up
The Shinco 12 suits a standard bedroom or living room of up to 450 sq ft. Its 12,000 BTU ASHRAE rating works out to 7,500 BTU SACC, the number that reflects real home conditions, and that's the one to compare against your room size.
In daily use, the 3-in-1 setup covers cool, fan and dry. The dry mode self-evaporates up to 43.2 L per day without a bucket, which is the feature you'll notice most: fewer trips to empty water in muggy weather.
The 59 in telescopic hose and window sealing kit install without extra tools, and four casters let you move it between rooms. The remote reaches about 23 ft and the 24-hour timer lets you set it to start before you get home.
The adjustable temperature range of 60 F to 86 F gives you room to run it warmer at night.
Its trade-off against the GrowthWing 14 is capacity: 450 sq ft versus 700. For one room, that's usually the right call, since you're not paying for cooling you'll never use.
At 56.2 lb it's also lighter than the big GrowthWing, though it's still a unit you set down and leave in place.
GrowthWing 14: Best for smart control
- 14,000 BTU ASHRAE
- Rated for 700 sq ft
- WiFi, voice and remote control
- 42 dB sleep mode
The most cooling here, with app and voice control so you can start it before you get home.
Pros
- Highest cooling capacity in this group
- App and voice control
- Window kit fits openings from 20.39 to 67 in
Cons
- 66 lb, the heaviest pick here
- More cooling than a small room needs
The GrowthWing 14 is the most capable unit in this group. At 14,000 BTU ASHRAE it's rated for up to 700 sq ft, which means a big open-plan room or a south-facing bedroom gets cooled without straining.
The wide 77 degree air outlet and upgraded compressor are what make the fast cooldown possible, and it runs on R32 refrigerant.
The smart controls are the other reason to pick it. You can adjust temperature, fan speed, modes and schedules from the app, by voice, or with the remote, so the AC can be running before you walk in.
Pairing takes a few button presses and the app walks you through it.
Sleep mode drops to 42 dB and dims the display, which is quiet enough for most people to sleep through. Auto-evaporation gives up to 72 hours of drainage-free cooling in typical conditions, with a drain hose included for heavier dehumidifier use.
The unit is rated at 946 kWh a year, so it's the thirstiest pick here, which is the cost of that extra capacity.
The trade-off is weight: 66 lb is the heaviest unit here, so plan a spot and leave it. The window kit fits horizontal and vertical sliding windows from 20.39 to 67 in, which covers most homes.
If your room is small, this is more cooling than you need, and the Shinco is the better fit.
Black+Decker 10,000 BTU portable air conditioner: Best for follow-me cooling
- 10,000 BTU ASHRAE, 5,550 BTU DOE
- Rated for 450 sq ft
- Follow Me remote thermostat
- 48.6 lb with casters
The Follow Me remote turns itself into a thermostat, so the unit cools to wherever you are sitting.
Pros
- Follow Me remote reads temperature at the remote
- Lighter than the top two picks
- Washable filter slides out
Cons
- Smaller cooling capacity than the top pick
- Water tank is just 0.45 L
The Black+Decker 10,000 BTU portable air conditioner is rated for the same 450 sq ft as the Shinco but weighs less at 48.6 lb. That makes it easier to roll from a bedroom to a home office on the casters, and the side handles help on stairs.
Its standout feature is the Follow Me remote. The remote reads the temperature where you're sitting and feeds it back to the unit, so the cooling follows you instead of the wall thermostat.
That's useful in a long room where the AC sits at one end.
At 5,550 BTU DOE it's a mid-size unit, and the 52 dB noise level sits in the normal range for a portable AC. The 0.45 L water tank is small, so plan on the drain hose for long dehumidifying runs.
A washable filter slides out for cleaning and the remote runs the whole panel.
The trade-off against the Shinco is output: the Shinco's 7,500 BTU SACC beats it, so if your room is near the 450 sq ft edge, the Shinco holds temperature better on the hottest afternoons. The Black+Decker earns its place on the remote and the lighter body, not on raw cooling.
DREO Portable Air Conditioner 319S: Best for quiet bedrooms
- 10,000 BTU ASHRAE, 6,000 BTU SACC
- Drainage-free cooling under 90% humidity
- 45 dB with noise isolation
- App, voice and remote control
Built around nighttime use, with a pump that clears condensate and a sleep curve you set in the app.
Pros
- 45 dB with the noise isolation system
- Self-evaporating in cool mode
- Sleep curve and voice control
Cons
- Rated for 100 sq ft, so smaller than the others
- Drain hose needed above 90% humidity
The DREO 319S is the pick for a bedroom where noise matters. DREO says its noise isolation system keeps the compressor and airflow down to 45 dB, and the sleep curve function in the app lets you ramp the temperature through the night.
The patented pump and sensors are what do the water work.
The drainage-free system is the practical win. Sensors and a pump evaporate excess water in cool mode in environments under 90% humidity, so you don't have a hose running across the floor.
Above that humidity you connect the included drain hose, which is a small chore in tropical summers.
Control is unusually broad: Siri, Alexa, Google Home, the app, the touchpad or the remote. The touchpad is useful when your phone is charging across the room.
The 10,000 BTU ASHRAE, 6,000 BTU SACC rating is honest about its size.
The trade-off is rated coverage. At 100 sq ft it's meant for a compact bedroom, so it's the right choice for a small sleeping room and the wrong one for a large living space.
For anything bigger, the Shinco covers more ground.
Air Choice 10000 BTU Portable Air Conditioners: Best for renters
- 10,000 BTU ASHRAE
- Rated for 450 sq ft
- Two-section window kit, little cutting
- Sleep mode and 24-hour timer
A no-drill window kit that fits sliding windows from 25.6 to 50 in, with a narrow body that fits tight floor space.
Pros
- Window kit needs minimal cutting
- 48 lb and narrower than most
- Removable washable pre-filter
Cons
- Needs manual draining in very humid climates
The Air Choice 10000 BTU is built for renters and apartment dwellers. The two-section window kit comes in long and short panels, fits sliding windows from 25.6 to 50 in, and needs minimal cutting, so you're not sawing into a window frame you don't own.
The kit works with horizontal and vertical sliders.
It's also one of the lighter units near the top of this list, at 48 lb with a body just 11.8 in wide. That matters in a small bedroom where floor space is tight.
The 27.1 in height keeps the top panel reachable without a stool.
Sleep mode and a 24-hour timer let you schedule cooling to your routine. The removable, washable pre-filter handles dust and pet hair.
The remote includes batteries, so nothing extra to buy on day one.
The trade-off is drainage in humid cities. Air Choice says the self-evaporating system copes in normal conditions but manual draining is required in hot, humid places like Houston or Miami.
The window width limit is the other thing to check before you buy. At 10,000 BTU ASHRAE it cools 450 sq ft, so size it conservatively.
HUMHOLD 14000BTU Portable Air Conditioners: Best for swing airflow
- 14,000 BTU ASHRAE, 10,000 BTU SACC
- Rated for 550 to 700 sq ft
- 30 to 85 degree auto swing
- Smart mode holds 73 to 77 F
The up and down swing spreads air across a tall room instead of blasting one spot.
Pros
- Auto swing from 30 to 85 degrees
- Smart mode adjusts between cool and fan
- Backlit remote reaches about 28 ft
Cons
- Turbo mode needs a 20 A circuit
- Draining needed in dry mode
The HUMHOLD 14000BTU is the pick when the air needs to move around. Its 30 to 85 degree auto swing pushes cool air up and down across the room instead of blasting one spot, so a tall room with seating at both ends gets even coverage.
The three fan speeds let you soften the airflow when the room is already cool.
Cooling is rated for 550 to 700 sq ft at 14,000 BTU ASHRAE, or 10,000 BTU SACC. Smart mode uses the built-in sensor to switch between cool and fan and hold the room between 73 F and 77 F, which saves energy on milder days.
The 24-hour timer handles a nightly schedule.
The backlit remote reaches about 28 ft, and four caster wheels make it easy to reposition. At 65 lb it's heavy but rollable.
It's rated at 800 kWh a year, a bit less than the GrowthWing.
The trade-off is power draw: turbo mode needs a 20 A circuit, so check your breaker before you rely on it at full output. Dry mode also needs continuous draining.
It's a big-room unit, so a small bedroom gets more machine than it needs.
Midea 8,500 BTU portable air conditioner: Best for tight floors
- 8,500 BTU ASHRAE, 5,000 BTU SACC
- Rated for 150 sq ft
- SmartHome app and voice control
- Narrow 11.61 in body
A slim unit for a small spare room or office where floor space is the problem.
Pros
- Narrowest body in this group
- App and voice control
- Washable filter
Cons
- Lowest cooling capacity here
- Best for one small room only
The Midea 8,500 BTU is the smallest and slimmest unit here, at 11.61 in wide and 11.54 in deep. If your only free wall space is a narrow strip next to a desk, this is the one that fits.
It cools up to 150 sq ft, which is a small bedroom, a home office or a guest room. The Midea SmartHome app and Alexa or Google Assistant give you remote control, and the 24-hour timer covers a workday schedule.
The temperature range runs 62 F to 90 F across cool, dehumidify and fan modes.
The washable filter pulls out for weekly cleaning, and Midea recommends that routine to keep performance up. The window brackets fit openings from 26.5 to 48 in, and the 5 ft hose and kit need no tools.
The trade-off is capacity. At 5,000 BTU SACC it won't hold a large room on a heatwave afternoon, so treat it as a single small-room unit.
Its 615 kWh a year is the lowest here, though, so a small room costs less to cool. If your room is bigger than about 150 sq ft, step up to the Shinco or Black+Decker.
SereneLife 8,000 BTU dual motor portable air conditioner: Best for hot garages
- 8,000 BTU ASHRAE
- Rated for 350 sq ft
- Dual motor
- 55 to 57 dBA
A three-mode unit with casters that suits a garage or utility room rather than a bedroom.
Pros
- Casters for rolling between rooms
- Cools, dehumidifies and fans
- Room coverage up to 350 sq ft
Cons
- Loudest pick here at 55 to 57 dBA
- Lower score than the models above
The SereneLife 8,000 BTU dual motor unit suits a garage, workshop or utility room. It's rated for 350 sq ft and has three modes: cool, dehumidify and fan.
The dual motor design is the reason it's on this list. The dehumidifier removes about 1.2 liters an hour, which helps in a damp basement.
Rolling casters make it easy to move out of the way when you need the floor. The remote covers the usual settings plus sleep and a Celsius/Fahrenheit switch.
The 64 F to 90 F range is narrower than the top picks, so it won't run as cold on a brutal afternoon.
The trade-off is noise. At 55 to 57 dBA it's the loudest pick here by a clear margin, so it's a work-day unit rather than a bedroom one.
Its score sits below the models above for the same reason: fine for a garage, not the best fit for a room you sleep in. The airflow rating of 290 cubic meters an hour is respectable for its size.
SereneLife 8,000 BTU portable air conditioner with heat: Best for shoulder seasons
- 8,000 BTU ASHRAE, 5,000 BTU DOE
- Heater, dehumidifier and fan modes
- Rated for 300 to 350 sq ft
- 53 dB
The only pick that heats as well as cools, which keeps one room usable past the end of summer.
Pros
- Heating mode for cool evenings
- Lightest unit here at 40.7 lb
- Power failure memory
Cons
- Lowest score in this group
- Lower cooling capacity than the top picks
The SereneLife 8,000 BTU with heat is the only unit here that warms the room too. That makes it useful for a converted garage, a sunroom or a bedroom in a house where the heating doesn't reach.
The metal control box is there for safety, and it runs on R32 refrigerant.
Four modes cover cooling, dehumidifying, heating and fan. The heat function keeps the room usable into fall, which none of the other picks can do.
It's also the lightest unit here at 40.7 lb, and the 53 dB noise level is quieter than its dual-motor sibling. The compact 13 by 11 by 27.5 in body fits a tight corner.
Power failure memory restores your settings after an outage, and sleep mode and automatic mode keep operation simple for kids and older users. The 24-hour timer and three fan speeds round out the controls.
The trade-off is cooling power. At 5,000 BTU DOE it's the lowest score in this group, and it cools a smaller space than the Shinco.
It's rated for 300 to 350 sq ft depending on the mode. If you don't need heat, buy one of the models above.
How the picks compare side by side
Scores run from 9.4 down to 7.4, and the spread reflects real differences: cooling capacity, weight, noise and how much of the setup you can control from your phone. A 14,000 BTU unit rated for 700 sq ft and an 8,000 BTU unit rated for 300 sq ft aren't competing for the same buyer, so read the table with your room size in mind.
| Product | Best for | Cooling power | Rated floor area | Weight | Our score |
|---|---|---|---|---|---|
| Shinco 12 | most single rooms | 12,000 BTU ASHRAE, 7,500 BTU SACC | 450 sq ft | 56.2 lb | 9.4 |
| GrowthWing 14 | smart control | 14,000 BTU ASHRAE | 700 sq ft | 66 lb | 9.4 |
| Black+Decker 10,000 BTU portable air conditioner | follow-me cooling | 10,000 BTU ASHRAE, 5,550 BTU DOE | 450 sq ft | 48.6 lb | 9.1 |
| DREO Portable Air Conditioner 319S | quiet bedrooms | 10,000 BTU ASHRAE, 6,000 BTU SACC | 100 sq ft | 9.0 | |
| Air Choice 10000 BTU Portable Air Conditioners | renters | 10,000 BTU ASHRAE | 450 sq ft | 48 lb | 8.9 |
| HUMHOLD 14000BTU Portable Air Conditioners | swing airflow | 14,000 BTU ASHRAE, 10,000 BTU SACC | 550 to 700 sq ft | 65 lb | 8.1 |
| Midea 8,500 BTU portable air conditioner | tight floors | 8,500 BTU ASHRAE, 5,000 BTU SACC | 150 sq ft | 7.8 | |
| SereneLife 8,000 BTU dual motor portable air conditioner | hot garages | 8,000 BTU ASHRAE | 350 sq ft | 7.5 | |
| SereneLife 8,000 BTU portable air conditioner with heat | shoulder seasons | 8,000 BTU ASHRAE, 5,000 BTU DOE | 300 to 350 sq ft | 40.7 lb | 7.4 |
How these were compared
We checked each unit's cooling rating, both ASHRAE and SACC where the brand gives it, then matched it to the room sizes one-room shoppers actually have. A 12,000 BTU unit rated for 450 sq ft earns more points than an 8,000 BTU unit rated for 150 sq ft, because it fits more buyers.
Features came next. Drainage-free operation, app or voice control, sleep modes and window kit fit were weighed against what a single-room buyer needs.
A feature that costs money but never gets used, like a heater in a climate that never gets cold, counts for less.
Weight and noise broke ties. A 40 lb unit is easier to move than a 66 lb one, and a 42 dB sleep mode suits a bedroom where 57 dBA does not.
Annual energy use was the last check, since a portable AC that runs all summer shows up on the bill. The Shinco's 780 kWh a year sits between the Midea's 615 and the GrowthWing's 946.
Our score weighs specs, features and buyer feedback against what you're shopping for.
What size portable AC does one room need?
Match the BTU rating to the room's square footage, then add a little headroom. As a working rule, portable ACs need about 20 BTU per square foot, so a 200 sq ft bedroom wants around 4,000 BTU of actual output.
Use the SACC number, not the ASHRAE one, when you compare. SACC is measured under conditions closer to a real home, and it's typically 60 to 70 percent of the ASHRAE figure.
The Shinco's 12,000 BTU ASHRAE becomes 7,500 BTU SACC, and the Midea's 8,500 becomes 5,000. That gap is why two units with similar-sounding labels can cool very different rooms.
Room size isn't the only factor. A west-facing window, a kitchen with an oven, or a room with poor insulation each push you up a size.
A room that gets full afternoon sun can behave like one 100 sq ft larger than its floor plan says.
Can a bigger portable AC cool a smaller room?
Yes, and it usually does a better job. An oversized unit reaches the set temperature faster and then cycles off, so it runs less overall.
The catch is that a large unit weighs more and takes up more floor space.
For one room, going one size up is rarely a mistake. The Shinco 12 at 450 sq ft for a 250 sq ft bedroom is a sensible pairing.
A 14,000 BTU unit in a 120 sq ft bedroom is overkill: it cools fast but takes more floor and more power to move.
What about a portable air conditioner for large rooms?
Once you pass about 450 sq ft, single-room units start to struggle, and a dual-hose model or a window unit makes more sense. Our portable air conditioner for large rooms roundup covers those picks.
The GrowthWing 14 in this list is the bridge case: it's rated for 700 sq ft, but it still vents through one window.
Where should the unit sit in the room?
Put it near the window you're venting through, with about 12 to 20 in of clear space around the intake and outlet. A portable AC pulls in room air, cools it and pushes it out, so a corner blocked by furniture starves the unit.
The casters make it easy to nudge into place once you've found the spot.
Keep the exhaust hose as short and straight as the window allows. Each bend costs cooling efficiency, and a kinked hose can trip the unit's safety cutout.
The 59 in hose on the Shinco and the 5 ft hose on the Midea both reach a standard window from a few feet away.
Should you close the door of the room?
Yes, for a one-room setup. A portable AC cools the air it can reach, and an open door to a hot hallway or kitchen gives it a fresh supply of warm air to fight.
Close the door and the unit settles into a steady cycle.
If you need cooling in an open-plan space, the GrowthWing 14's extra capacity handles it better than an 8,000 BTU unit. For a closed bedroom, even the small Midea can keep up once the door is shut.
Does a portable AC have to be vented out a window?
Yes, in cooling mode. The compressor produces hot air that leaves through the exhaust hose, and the window kit seals the gap around the hose so hot outside air doesn't flow back in.
Without the vent, the unit just moves heat from one side of the room to the other.
The kits here fit horizontal and vertical sliding windows. The GrowthWing 14 covers 20.39 to 67 in, the Midea covers 26.5 to 48 in and the Air Choice covers 25.6 to 50 in.
Measure your window opening before you order, since a kit that doesn't fit means a second purchase.
What if the window won't fit the kit?
Some windows, such as casement styles, won't take a sliding panel. In that case a through-wall vent kit or a different mounting panel solves it, and both are sold separately.
Check the window type before you order.
The window seal is the part that decides whether the unit works well. A loose fit around the hose lets hot air in and cancels much of the cooling, which is the most common reason a portable AC feels weak.
Foam strips and a snug panel do more for comfort than an extra 1,000 BTU.
Do you have to empty the water tank every day?
No, not with a self-evaporating unit in normal humidity. The Shinco 12, the GrowthWing 14 and the DREO 319S all evaporate most condensate and send it out with the exhaust air.
That's the feature to look for if you don't want a hose running across the floor.
In humid climates or in dehumidify mode, plan on continuous draining. The HUMHOLD and the two SereneLife units both need a drain hose in dry mode, and the Air Choice needs manual draining in hot, humid cities.
Each of those ships with a drain hose, so the only cost is the setup.
How else do you keep one running at its best?
Clean the filter every week or two during heavy use. A clogged pre-filter cuts airflow and makes the compressor work harder.
Wash it, let it dry and slide it back in.
Also check the hose joint at the window each season. A hose that has slipped loose is the easiest fix you'll ever make on a portable AC.
And if the unit sits in a room with pets, a quick vacuum of the intake grille between washes helps.
Is the best portable air conditioner for one room worth it?
Yes, if you're cooling one room and can vent a window. A single-room unit costs far less than a central system and installs in about 15 minutes, which is why the category sells so well.
You also get to move it to whichever room is hottest that week.
For the money question in detail, read are portable air conditioners worth it before you decide between a portable and a window unit.
The best portable air conditioner for one room comes down to size first. Pick the Shinco 12 for most bedrooms and living rooms, since its 450 sq ft rating leaves headroom for hot afternoons.
Choose the GrowthWing 14 for a big open room or app control. Take the DREO 319S for a quiet bedroom, the Black+Decker for Follow Me cooling, and the Air Choice for a rental with a sliding window.
If the room needs heat into fall, the SereneLife 8,000 BTU with heat is the only pick here that warms as well as cools.
Our top 3 picks at a glance
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2
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3
Best for follow-me cooling
Black+Decker 10,000 BTU portable air conditioner
9.1/10 our score
See it on Amazon
Frequently asked questions
How many BTU does one room need?
Aim for about 20 BTU per square foot of room, so a 200 sq ft bedroom wants roughly 4,000 BTU of real output. Add headroom for a sunny west-facing window or a kitchen that gets hot.
Check the SACC number, which reflects real home conditions.
Can one portable AC cool two rooms?
Not well. A single-hose unit needs its exhaust window, so moving it between rooms means moving the hose and window panel too.
If two rooms need cooling on a schedule, buy a unit for the room you use most rather than stretching one across both.
Do portable ACs need a window?
Yes, for cooling mode. The hot air has to leave through the exhaust hose, and the window kit seals the gap around it.
Some units can run in fan mode without venting, but the compressor needs the vent open.
Why is my portable AC not cooling the room?
Check the exhaust hose first. A loose window seal lets hot outside air back in, and a kinked hose traps heat.
Also clean the filter, since a clogged pre-filter cuts airflow, and confirm the unit's BTU rating matches the room's square footage.
How often do you empty a portable AC's water tank?
That depends on humidity. Units with a self-evaporating system, like the Shinco 12 and the DREO 319S, clear most condensate through the exhaust in normal weather.
In humid climates or in dry mode, you'll connect the drain hose for continuous draining.
