6 Best Portable Air Conditioners for Small Rooms of 2026
We compared six compact single-hose portable air conditioners for small rooms on cooling, footprint, noise, smart features and drainage.
By Daniel Brooks
Updated October 17, 2026
Portable air conditioners for small rooms are sized for bedrooms, nurseries, dorms and home offices of roughly 150 to 300 square feet. A smaller unit cools these spaces efficiently, draws less power and takes up less floor space than an oversized model, which can cycle on and off too often and leave the air clammy. Our list of the best portable air conditioners for small rooms compares six compact single-hose units on real-world cooling, footprint, noise, smart features and drainage. For every single-hose model we cover, see our Single-Hose Portable Air Conditioners page.
Every unit here lists a room size of 300 sq ft or less, or a SACC or DOE rating of 7,000 BTU or less. All six run on a standard household outlet and come with a window kit.
All Products Compared
| Product | Best For | Cooling Capacity | Room Size | Noise | Notable Feature |
|---|---|---|---|---|---|
| Midea 8,500 BTU ASHRAE Portable Air Conditioner | Overall | 8,500 BTU / 5,000 BTU SACC | Up to 150 sq ft | 52.6 dB | App, Alexa, Google, 830 watts |
| TCL 7,000 BTU Smart Portable Air Conditioner | Value | 7,000 BTU SACC / 11,000 BTU ASHRAE | Up to 300 sq ft | 50 dB | Ultra-compact, app and voice |
| LG 6,000 BTU Smart Portable Air Conditioner | LG ThinQ users | 6,000 BTU DOE / 8,000 BTU ASHRAE | Up to 250 sq ft | 50 dB | ThinQ, Alexa, Google Home |
| GE 8,000 BTU Portable Air Conditioner | Very small rooms | 8,000 BTU / 5,100 BTU SACC | Up to 150 sq ft | 50 dB | Auto evaporation |
| Midea 9,000 BTU Portable Air Conditioner | Budget smart | 9,000 BTU / 6,000 BTU SACC | Up to 250 sq ft | 51 dB | App, Alexa, Google |
| GE 6,000 BTU Portable Air Conditioner | Renters | 6,000 BTU DOE SACC | Up to 250 sq ft | 55 dB | No-drain, no-cut window kit |
| Award | Product | WikiCooling Score About WikiCooling ScoreThe WikiCooling Score is our own rating from 0 to 10, based on the criteria described on our How We Review page. It reflects research, not laboratory measurement, and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more › | |
|---|---|---|---|
Midea 8,500 BTU ASHRAE Portable Air Conditioner
|
7.8/10 | Buy | |
| Best Overall |
TCL 7,000 BTU Smart Portable Air Conditioner
|
9.4/10 | Buy |
| Best Premium |
LG 6,000 BTU Smart Portable Air Conditioner
|
9.1/10 | Buy |
| Best Value |
GE 8,000 BTU Portable Air Conditioner
|
8.3/10 | Buy |
| Best Budget |
Midea 9,000 BTU ASHRAE Portable Air Conditioner
|
7.6/10 | Buy |
GE 6,000 BTU Portable Air Conditioner
|
7.0/10 | Buy |
Midea 8,500 BTU ASHRAE Portable Air Conditioner
This portable air conditioner from Midea delivers 8,500 BTU ASHRAE (5,000 BTU SACC) cooling for rooms up to 150 square feet. It offers three modes, smart controls via app and voice, and a reusable filter. Suitable for small bedrooms or offices where easy installation and remote operation are priorities.
Pros
- Easy setup with included window kit
- Smart app and voice control
- Three operating modes
- Washable reusable filter
- Cools up to 150 square feet
Cons
- Single-hose design limits efficiency
- Manual drain plug requires attention
- Heavy at 47.2 pounds
TCL 7,000 BTU Smart Portable Air Conditioner
With a compact footprint and 7,000 BTU SACC (11,000 BTU ASHRAE) cooling, this portable air conditioner suits rooms up to 300 sq. ft. It offers AC, fan, and dehumidifier modes, plus app, voice, and remote control for convenient operation. The ultra-compact design and included installation kit make it a practical choice for dorms, bedrooms, and offices.
Pros
- Compact footprint for tight spaces
- Smart app and voice control
- 3-in-1 AC, fan, dehumidifier
- Sleep and Eco energy-saving modes
- Easy mobility with wheels and handles
Cons
- No inverter compressor
- No heat mode
- 50 dB noise level may be noticeable
LG 6,000 BTU Smart Portable Air Conditioner
This portable air conditioner from LG delivers 6,000 BTU (DOE) / 8,000 BTU (ASHRAE) cooling for rooms up to 250 square feet. Its built-in Wi-Fi enables control through the LG ThinQ app, Google Home, or Alexa, and quiet operation at 50 dB makes it suitable for bedrooms and home offices. The compact design and rolling casters simplify placement, while the included window kit allows quick setup.
Pros
- Quiet operation at 50 dB
- Smart controls with app and voice
- Compact design fits small spaces
- Easy rolling casters for mobility
- Includes remote and window kit
Cons
- Exhaust hose takes up window space
- Wi-Fi only supports 2.4 GHz networks
- No inverter compressor for variable speed
GE 8,000 BTU Portable Air Conditioner
This GE portable air conditioner delivers 8,000 BTU (5,100 BTU SACC) of cooling for small rooms up to 150 sq ft. It combines air conditioning, dehumidifying, and fan functions in a compact, single-hose design. With auto evaporation and easy-roll casters, it is a practical choice for bedrooms or offices.
Pros
- Compact footprint for small spaces
- Relatively quiet operation at 50 dB
- Easy window installation with included kit
- Auto evaporation minimizes water drainage
- Remote control for convenient adjustments
Cons
- Single-hose design limits cooling efficiency
- Window vent piece may not snap securely (per some users)
- No inverter compressor for variable speed operation
Midea 9,000 BTU ASHRAE Portable Air Conditioner
This portable air conditioner from Midea delivers 9,000 BTU ASHRAE (6,000 BTU SACC) cooling for rooms up to 250 square feet. It includes smart home compatibility, a remote control, and a washable filter. The unit also functions as a fan and dehumidifier, making it a versatile option for small spaces.
Pros
- Smart app and voice control
- 3-in-1 cooling, fan, dehumidifier
- Washable and reusable air filter
- Easy rolling installation
- Compact design for small rooms
Cons
- Non-inverter compressor
- No heating mode
- Filter needs weekly cleaning
GE 6,000 BTU Portable Air Conditioner
For small spaces where a window unit won't work, this GE portable air conditioner delivers 6,000 BTU of cooling for rooms up to 250 sq ft. It combines air conditioning, fan, and dehumidifier functions with auto-evaporation technology that reduces the need for manual draining. Digital controls, a remote, and an easy-install window kit make it a practical choice for bedrooms, offices, and apartments.
Pros
- Compact and portable with easy-roll casters
- No-drain auto evaporation under normal conditions
- Simple window installation without cutting
- Digital controls with remote and timer
- Washable filter for clean air
Cons
- May require manual draining in high humidity
- 55 dB noise level may be noticeable
- Fits only double-hung or sliding windows 19-48 inches wide
Top 3 Portable Air Conditioners for Small Rooms Reviewed
#1 Midea 8,500 BTU ASHRAE Portable Air Conditioner: Best Overall
Why We Picked It
The Midea MAP05S1AWT-A is the most complete small-room portable in this guide, with a 4.0 rating from 579 ratings. Midea rates it at 8,500 BTU ASHRAE and 5,000 BTU SACC for spaces up to 150 sq ft, such as a small bedroom, nursery or home office, and it draws only 830 watts.
Smart control is built in. The SmartHome app for iOS and Android lets you switch modes and set a schedule, and you can pair the unit with Alexa or Google Assistant for voice control. An easy-to-read LED display and a compact remote with batteries included cover control in the room, and the 24-hour timer sets cooling between 62 and 90 degrees F. It offers cooling, dehumidification and fan only modes. The slim body is just 11.61 inches wide, and setup is tool-free with a 5ft hose and window brackets that fit openings from 26.5 to 48 inches. The removable filter is washable, and Midea recommends cleaning it every week of operation.
Key Specifications
- Cooling Capacity: 8,500 BTU ASHRAE / 5,000 BTU SACC
- Room Size: Up to 150 sq ft
- Noise Level: 52.6 dB
- Power: 830 watts
- Smart Control: SmartHome app, Alexa, Google Assistant
- Weight: 47.2 pounds
| Pros | Cons |
|---|---|
|
|
Things to Consider
Midea sizes this unit for a small space only, so it will struggle in a larger, sunny room. Keep the hose short and straight for the best cooling.
Best For
This unit is best for a small bedroom, nursery or office where you want smart scheduling and low running costs.
Check the current price and availability of the Midea 8,500 BTU ASHRAE Portable Air Conditioner on Amazon.
Read our full Midea 8,500 BTU ASHRAE Portable Air Conditioner review.
#2 TCL 7,000 BTU Smart Portable Air Conditioner: Best Value
Why We Picked It
The TCL H7P38W is the lowest-priced unit in this guide and one of the most capable. It has a 5.0 rating from 12 ratings. TCL lists 7,000 BTU SACC (11,000 BTU ASHRAE) in the description, the highest real-world rating among these small-room picks, and says it cools up to 300 sq ft.
It has an ultra-compact footprint of 15.3 by 14.0 by 24.8 inches, which fits tight spaces in dorms, bedrooms and offices. The TCL Home App lets you change the temperature, set schedules and control it from anywhere, and it works with Alexa or Google Assistant for voice commands. An LED display and a remote handle control in the room. It is a 3-in-1 unit with AC, fan and dehumidifier modes, and Sleep and Eco modes help save energy. The listed noise level is 50 dB, and it weighs 49.3 pounds.
Key Specifications
- Cooling Capacity: 7,000 BTU SACC / 11,000 BTU ASHRAE
- Room Size: Up to 300 sq ft
- Noise Level: 50 dB
- Smart Control: TCL Home App, Alexa, Google Assistant
- Size: 15.3 x 14.0 x 24.8 inches
- Weight: 49.3 pounds
| Pros | Cons |
|---|---|
|
|
Things to Consider
The headline 7,000 BTU figure on the title is TCL’s SACC rating, so it outperforms units that only list a similar ASHRAE number. Check the manual for draining in humid weather.
Best For
This unit is best for a dorm, bedroom or office where you want smart control and the most real-world cooling for the money.
Check the current price and availability of the TCL 7,000 BTU Smart Portable Air Conditioner on Amazon.
#3 LG 6,000 BTU Smart Portable Air Conditioner: Best for LG ThinQ Users
Why We Picked It
The LG LP0626PWSF is a smart small-room unit from a major brand. It has a 4.8 rating from 14 ratings. LG rates it at 6,000 BTU DOE and 8,000 BTU ASHRAE for rooms up to 250 square feet, a good fit for bedrooms, garages and home offices.
The LG ThinQ app lets you adjust temperature, set schedules and monitor energy use from your phone, and the unit connects to Google Home or Alexa for voice control. LG designs it to run night and day without disrupting work or sleep, and the listed noise level is 50 dB. Two fan speeds help improve air flow and circulation. Built-in rolling caster wheels and the included window installation kit make setup quick: wheel it into place, fit the kit and start cooling. It weighs 50.7 pounds and measures 13.2 inches wide.
Key Specifications
- Cooling Capacity: 6,000 BTU DOE / 8,000 BTU ASHRAE
- Room Size: Up to 250 square feet
- Noise Level: 50 dB
- Smart Control: LG ThinQ, Google Home, Alexa
- Fan Speeds: 2
- Weight: 50.7 pounds
| Pros | Cons |
|---|---|
|
|
Things to Consider
The 6,000 BTU DOE rating is less than the TCL’s SACC figure, so in a warm room the TCL has more headroom. LG’s app adds energy monitoring, which the others do not list.
Best For
This unit is best for a bedroom or home office in a home that already uses LG ThinQ or Google Home.
Check the current price and availability of the LG 6,000 BTU Smart Portable Air Conditioner on Amazon.
Other Models Worth Considering
GE 8,000 BTU Portable Air Conditioner (APFA08YBMW). Designed for small rooms up to 150 sq ft, with auto evaporation technology that removes the need to drain under most room conditions. It lists 50 dB, two fan speeds, a 24-hour timer, auto restart and a no-cut window kit. The title gives 5,100 BTU SACC and the features 5,300 BTU SACC. It has a 4.3 rating from 19 ratings.
Midea 9,000 BTU Portable Air Conditioner (MAP06S1AWT-A). Rated 9,000 BTU ASHRAE and 6,000 BTU SACC for spaces up to 250 sq ft, with the same SmartHome app, Alexa and Google Assistant support as the Midea above. It lists 51 dB, uses the same slim body and window brackets, and has a 3.9 rating from 60 ratings.
GE 6,000 BTU Portable Air Conditioner (APMS06BWF). A 6,000 BTU DOE SACC unit for rooms up to 250 sq ft with no-drain auto evaporation, a three-speed fan and a sleep function. Its no-cut window kit fits most double-hung or sliding windows 19 to 48 inches wide. It lists 55 dB and has a 3.5 rating from 59 ratings.
What to Expect from Portable Air Conditioners for Small Rooms
A small-room portable is easier to live with than a bigger unit: it is lighter, quieter at low fan speeds and cheaper to run. The key is matching the real-world rating to your room. An oversized unit cools the air quickly but shuts off before it removes much humidity, which can leave a small room feeling damp.
For other options, see our guides to portable air conditioners for bedrooms and 8,000 BTU portable air conditioners. The product cards show the current price for each unit.
How to Choose a Portable Air Conditioner for a Small Room
Size the Unit to the Space
ENERGY STAR publishes this general guide for sizing a room air conditioner by floor area:
| Room Size (sq ft) | Cooling Capacity (BTU/hr) |
|---|---|
| 100 to 150 | 5,000 |
| 150 to 250 | 6,000 |
| 250 to 300 | 7,000 |
| 300 to 350 | 8,000 |
| 350 to 400 | 9,000 |
| 400 to 450 | 10,000 |
| 450 to 550 | 12,000 |
| 550 to 700 | 14,000 |
| 700 to 1,000 | 18,000 |
Reduce capacity by 10 percent for a heavily shaded room, increase it by 10 percent for a very sunny room, add 600 BTU for each regular occupant beyond two, and add 4,000 BTU if the unit cools a kitchen. Source: ENERGY STAR.
For a single-hose portable, compare your room against the SACC or DOE figure.
Check the Footprint
Small rooms have little floor space. The Midea units are only 11.61 inches wide, and the GE 6,000 BTU is 11.6 inches wide.
Smart or Simple
The Midea, TCL and LG offer app and voice control. Both GE units use LED controls and a remote.
Think About Drainage and Noise
Both GE units use auto evaporation, so they rarely need draining. For sleep, the TCL, LG and GE 8,000 BTU list 50 dB.
How We Evaluate Portable Air Conditioners for Small Rooms
We rank portable air conditioners on manufacturer specifications, listing details and aggregated buyer ratings. For this list we kept only single-hose units that the brand sizes for small rooms. We weighed real-world cooling for the room size, footprint and buyer feedback first, giving more weight to ratings from larger numbers of buyers, then compared noise, smart features, drainage and power draw. Where a listing gives two different figures, we note both and size against the more conservative one.
Frequently Asked Questions
What size portable AC do I need for a small bedroom?
For a room up to 150 sq ft, a unit like the Midea 8,500 BTU with 5,000 BTU SACC is a good match. For up to 250 sq ft, look at a unit with about 6,000 BTU DOE or SACC.
Which small-room portable is the cheapest to run?
The Midea 8,500 BTU lists the lowest power draw here at 830 watts.
Which ones work with Alexa?
The Midea 8,500 BTU, TCL, LG and Midea 9,000 BTU all list Alexa support.
Can an oversized portable cause problems in a small room?
Yes. A unit that is too large cools quickly but cycles off before it removes enough humidity, which can leave the room feeling damp.
Final Verdict
The Midea 8,500 BTU ASHRAE Portable Air Conditioner is the best portable air conditioner for small rooms, with smart control, a slim body and a low 830 watt draw for spaces up to 150 sq ft. For the most real-world cooling at the lowest price here, choose the TCL 7,000 BTU Smart Portable Air Conditioner. If you use LG ThinQ, the LG 6,000 BTU Smart Portable Air Conditioner adds energy monitoring and voice control.
About the author
Daniel Brooks is a home cooling editor at WikiCooling, covering window, portable, through-the-wall and mini-split air conditioners, fans, and dehumidifiers. He researches cooling capacity, energy efficiency, noise levels, installation requirements, and buyer feedback to help homeowners choose the right unit for their room size, climate, and budget.