9 Best Window Air Conditioners (November 2026)
The best best window air conditioners include the Frigidaire 5 for small bedrooms, the LG 8 for shared living rooms, and the Frigidaire 8 for warmer sleeping preferences.
On this page (10 sections)
- Which window air conditioners stand out?
- How we chose the best window air conditioner
- Compare the best window air conditioners
- The best window air conditioners by use
- How do you choose a window air conditioner by room size?
- Which window air conditioner features are worth comparing?
- How should you compare noise claims?
- What should you check before installing a window unit?
- How do you keep a window air conditioner cooling well?
- Which window air conditioner should you choose?
The best window air conditioner for a small bedroom is the Frigidaire 5,000 BTU, our top pick for straightforward cooling in a room up to 150 sq ft. For a larger room, choose the right capacity before comparing scores or extra features.
The LG 8,000 BTU suits medium rooms where remote control matters. Frigidaire's comparable model adds useful overnight modes, while the larger TCL and GE models suit buyers who want phone control.
DearDresser compared these 9 units by room coverage, controls, airflow options and upkeep. Room size and window fit come first; a higher-scoring small unit cannot replace a larger model where more cooling is needed.
Our picks at a glance
-
1
Best for small bedroomsFrigidaire 5,000 BTU window air conditioner
8.6/10 our score
See it on Amazon -
2
-
3
Best for warmer sleeping preferencesFrigidaire 8,000 BTU window air conditioner
8.1/10 our score
See it on Amazon
- 4
Check itGE 5,000 BTU window air conditioner
Best for dial-control users - 5
Check itFrigidaire 6,000 BTU window air conditioner
Best for home office routines - 6
Check itGE 6,000 BTU electronic window air conditioner
Best for repeatable temperature settings - 7
Check itTCL 10,000 BTU smart window air conditioner
Best for connected living spaces - 8
Check itGE 12,000 BTU smart window air conditioner
Best for large family rooms - 9
Check itLG 5,000 BTU window air conditioner
Best for narrower bedroom windows
Which window air conditioners stand out?
The Frigidaire 5,000 BTU leads for small bedrooms, and the LG 8,000 BTU is a practical step up for a shared living room. The strongest choice for you depends on the space you need to cool.
Use the cards to narrow your shortlist by buyer need. The write-ups below explain when each choice makes sense and when to move on.
Frigidaire 5,000 BTU window air conditioner: Best for small bedrooms
- For rooms up to 150 sq ft
- Two fan speeds
- Washable filter
- Auto restart
A straightforward choice for a small bedroom where basic temperature and fan adjustments cover your needs. Adjustable side panels and a washable filter help with fit and routine care.
Pros
- Washable dust filter
- Auto restart restores previous settings
- 78-inch power cord
Cons
- Limited to small rooms
- No inverter
LG 8,000 BTU window air conditioner: Best for shared living rooms
- For rooms up to 350 sq ft
- Remote control
- Three cooling and fan speeds
- Four-way airflow
Remote control and adjustable airflow suit a living room where people sit away from the window. A timer and Auto Cool mode give you alternatives to repeated manual adjustments.
Pros
- Remote included
- Three cooling and fan speeds
- 24-hour timer
Cons
- No inverter
- Coverage is for one room, not separate closed rooms
Frigidaire 8,000 BTU window air conditioner: Best for warmer sleeping preferences
- For rooms up to 350 sq ft
- Remote control
- Eco and Sleep modes
- Dry Mode
Choose this Frigidaire if you like the room cooler at bedtime and warmer later. Sleep Mode gradually raises the temperature, while Dry Mode adds a moisture-control option.
Pros
- Sleep Mode raises temperature overnight
- Six-way directional airflow
- Clean Filter alert
Cons
- No inverter
- Sleep Mode may not suit a fixed overnight temperature
GE 5,000 BTU window air conditioner: Best for dial-control users
- For rooms up to 150 sq ft
- Mechanical controls
- Two cooling modes
- Washable filter
Mechanical dials suit a small office or bedroom where you prefer direct adjustments. Choose it for simple operation rather than phone control or a numbered digital thermostat.
Pros
- 10 temperature settings
- Washable filter
- Auto restart
Cons
- No Wi-Fi control
- Dials do not provide a digital temperature readout
Frigidaire 6,000 BTU window air conditioner: Best for home office routines
- For rooms up to 250 sq ft
- Remote control
- Six-way airflow
- 24-hour timer
A timer and remote suit a home office used on a regular schedule. Directional airflow helps you aim the cool air away from your chair.
Pros
- Three fan speeds
- Eco, Sleep and Dry modes
- Washable filter with cleaning alert
Cons
- No inverter
- Not sized for larger living rooms
GE 6,000 BTU electronic window air conditioner: Best for repeatable temperature settings
- For rooms up to 250 sq ft
- Digital controls and remote
- 24-hour timer
- Eco mode
The digital thermostat lets you return to the same temperature setting each day. It suits buyers who want a display and remote without connecting an app.
Pros
- 64°F to 86°F thermostat range
- Auto restart remembers settings
- Filter reminder
Cons
- Not Wi-Fi compatible
- Two-way airflow offers fewer directions than the Frigidaire alternative
TCL 10,000 BTU smart window air conditioner: Best for connected living spaces
- For rooms up to 450 sq ft
- TCL Home app control
- Remote and voice control
- Fan and dehumidifier modes
App and voice controls suit a larger room where you already use connected devices. The included remote also gives you a direct way to change settings.
Pros
- Alexa and Google Assistant compatibility
- Sleep and Eco modes
- Washable filter
Cons
- Voice control needs compatible devices
- Too much capacity for many small bedrooms
GE 12,000 BTU smart window air conditioner: Best for large family rooms
- For rooms up to 550 sq ft
- SmartHQ app control
- Alexa and Google Assistant compatibility
- Three cooling modes
The highest-capacity option here suits a large family room with a suitable window. SmartHQ lets you monitor, schedule and adjust cooling from your phone.
Pros
- App, remote and voice control
- Three cooling modes and fan speeds
- Slide-out washable filter
Cons
- Weighs 63.6 lb
- Requires planning for lifting and window support
LG 5,000 BTU window air conditioner: Best for narrower bedroom windows
- For rooms up to 150 sq ft
- Mechanical controls
- Two cooling modes and fan speeds
- Washable filter
This LG is worth checking when a small bedroom has a narrower double-hung window. Its mechanical controls suit buyers who want simple adjustments at the unit.
Pros
- Window fit starts at 21 inches wide
- Slide-out washable filter
- Installation kit included
Cons
- No inverter
- Mechanical controls lack a digital temperature display
How we chose the best window air conditioner
The best window air conditioner matches your room, window and daily routine. We compared capacity, controls, filter care, airflow adjustment and operating modes, with scores reflecting those features and their usefulness.
We favored clear reasons to choose one model over another. A remote matters when the window is hard to reach; a timer matters when the room follows a regular schedule.
Capacity determines which models belong on your shortlist. Window compatibility can then rule out a unit before you spend time comparing smaller differences.
Read our guide to choosing the right air conditioner size before choosing between capacity classes. Treat a model's maximum room coverage as a starting point that needs to fit your room conditions.
Compare the best window air conditioners
Compare room coverage first, then controls. Models with the same cooling capacity can serve different buyers because their timers, airflow adjustments and overnight settings differ.
The comparison table keeps the main choices together. Use the individual notes for the trade-offs that matter in daily use.
| Product | Best for | Capacity | Room size | Controls | Our score |
|---|---|---|---|---|---|
| Frigidaire 5,000 BTU window air conditioner | small bedrooms | 5,000 BTU | Up to 150 sq ft | Button control | 8.6 |
| LG 8,000 BTU window air conditioner | shared living rooms | 8,000 BTU | Up to 350 sq ft | Electronic controls and remote | 8.3 |
| Frigidaire 8,000 BTU window air conditioner | warmer sleeping preferences | 8,000 BTU | Up to 350 sq ft | Remote control | 8.1 |
| GE 5,000 BTU window air conditioner | dial-control users | 5,000 BTU | Up to 150 sq ft | Mechanical dials | 8.0 |
| Frigidaire 6,000 BTU window air conditioner | home office routines | 6,000 BTU | Up to 250 sq ft | Remote control | 7.9 |
| GE 6,000 BTU electronic window air conditioner | repeatable temperature settings | 6,000 BTU | Up to 250 sq ft | Digital controls and remote | 7.7 |
| TCL 10,000 BTU smart window air conditioner | connected living spaces | 10,000 BTU | Up to 450 sq ft | App, remote and voice | 7.6 |
| GE 12,000 BTU smart window air conditioner | large family rooms | 12,000 BTU | Up to 550 sq ft | App, remote and voice | 7.4 |
| LG 5,000 BTU window air conditioner | narrower bedroom windows | 5,000 BTU | Up to 150 sq ft | Mechanical controls | 7.3 |
The best window air conditioners by use
Choose from the capacity range your room needs, then compare the models within it. The order follows the fixed scores, so the first pick is not automatically the right choice for a larger space.
1. Frigidaire 5,000 BTU window air conditioner
Frigidaire 5,000 BTU window air conditioner: Best for small bedrooms
- For rooms up to 150 sq ft
- Two fan speeds
- Washable filter
- Auto restart
A straightforward choice for a small bedroom where basic temperature and fan adjustments cover your needs. Adjustable side panels and a washable filter help with fit and routine care.
Pros
- Washable dust filter
- Auto restart restores previous settings
- 78-inch power cord
Cons
- Limited to small rooms
- No inverter
Choose this Frigidaire for a small bedroom or enclosed office up to 150 sq ft. Two fan speeds and adjustable temperature settings keep the controls focused on everyday cooling.
Its washable dust filter makes routine care straightforward, while Auto Restart restores previous settings after power returns. That is useful in a room you use daily, though it does not replace checking the unit after an outage.
Frigidaire gives an operating sound level of 52 dBA. Keep the air path clear of curtains so you can direct cooling into the room rather than trapping it near the window.
The adjustable side panels help close the window opening, and the cord is 78 inches long. Measure the route to the outlet without stretching the cord or placing it across a walkway.
Skip it for a larger room or a space that depends on cool air reaching through doorways. Its main appeal is a simple match for a genuinely small, separate room.
2. LG 8,000 BTU window air conditioner
LG 8,000 BTU window air conditioner: Best for shared living rooms
- For rooms up to 350 sq ft
- Remote control
- Three cooling and fan speeds
- Four-way airflow
Remote control and adjustable airflow suit a living room where people sit away from the window. A timer and Auto Cool mode give you alternatives to repeated manual adjustments.
Pros
- Remote included
- Three cooling and fan speeds
- 24-hour timer
Cons
- No inverter
- Coverage is for one room, not separate closed rooms
Choose the LG for a living room or bedroom up to 350 sq ft where you want to adjust cooling from your seat. The remote and electronic controls make changes easier when furniture limits access to the window.
Three cooling and fan speeds offer room to adjust airflow. Four-way air deflection is useful when the sofa or bed sits directly in front of the unit and you want to redirect the breeze.
The 24-hour timer suits a regular daily routine, and Auto Cool adds another control option. LG gives a low-mode sound level of 53 dB.
Skip it if gradually warmer overnight cooling is your main priority; the Frigidaire below has a dedicated Sleep Mode for that purpose. Choose by the setting you will actually use rather than counting features.
Our window air conditioner installation guide explains the mounting and sealing steps to review before setup.
3. Frigidaire 8,000 BTU window air conditioner
Frigidaire 8,000 BTU window air conditioner: Best for warmer sleeping preferences
- For rooms up to 350 sq ft
- Remote control
- Eco and Sleep modes
- Dry Mode
Choose this Frigidaire if you like the room cooler at bedtime and warmer later. Sleep Mode gradually raises the temperature, while Dry Mode adds a moisture-control option.
Pros
- Sleep Mode raises temperature overnight
- Six-way directional airflow
- Clean Filter alert
Cons
- No inverter
- Sleep Mode may not suit a fixed overnight temperature
Choose this Frigidaire for a medium bedroom where you prefer a warmer setting later at night. Sleep Mode gradually raises the temperature, which suits people who feel comfortable at bedtime but get chilly toward morning.
It covers rooms up to 350 sq ft and offers a remote, three fan speeds and six-way airflow. The extra airflow directions are useful when you need to steer cool air around the room's seating arrangement.
Dry Mode gives you a moisture-control option, while Eco Mode and a 24-hour timer provide alternatives for daily operation. The washable filter has a Clean Filter alert to prompt routine care.
Frigidaire gives a sound level of 54 dBA. Do not choose between this and the LG solely on the small difference between their published sound figures.
Skip Sleep Mode if you want the same temperature all night. This model makes the most sense when its overnight and moisture-control options solve a specific comfort need.
4. GE 5,000 BTU window air conditioner
GE 5,000 BTU window air conditioner: Best for dial-control users
- For rooms up to 150 sq ft
- Mechanical controls
- Two cooling modes
- Washable filter
Mechanical dials suit a small office or bedroom where you prefer direct adjustments. Choose it for simple operation rather than phone control or a numbered digital thermostat.
Pros
- 10 temperature settings
- Washable filter
- Auto restart
Cons
- No Wi-Fi control
- Dials do not provide a digital temperature readout
Choose the GE for a small office, dorm room or bedroom where you prefer mechanical dials. Its 10 temperature settings let you adjust by feel without connecting a phone or learning digital menus.
Two cooling modes and two fan speeds cover basic adjustments. The washable filter and Auto Restart suit buyers who want a simple daily routine.
The window requirement deserves close attention: GE specifies double-hung openings 27.125 to 36 inches wide and at least 13.375 inches high. A compact cabinet does not mean the complete installation will fit a narrow opening.
The EZ Mount kit includes foam insulation, which helps close gaps when installed as directed. GE gives sound levels of 52 dBA on low and 56 dBA on high.
Skip it if you want a numbered temperature display or remote access. Also move to a larger capacity if the room exceeds its 150 sq ft coverage.
5. Frigidaire 6,000 BTU window air conditioner
Frigidaire 6,000 BTU window air conditioner: Best for home office routines
- For rooms up to 250 sq ft
- Remote control
- Six-way airflow
- 24-hour timer
A timer and remote suit a home office used on a regular schedule. Directional airflow helps you aim the cool air away from your chair.
Pros
- Three fan speeds
- Eco, Sleep and Dry modes
- Washable filter with cleaning alert
Cons
- No inverter
- Not sized for larger living rooms
Choose this Frigidaire for a home office or bedroom up to 250 sq ft where a remote and scheduled operation will get regular use. It bridges the gap between the smallest units and the medium-room picks.
The 24-hour timer can follow your workday, while six-way airflow helps direct the breeze away from your desk. Three fan speeds give you more adjustment when full airflow feels too strong nearby.
Eco, Sleep and Dry modes offer different ways to manage comfort. The Clean Filter alert is useful if the unit sits in a room where filter care is easy to forget.
Frigidaire gives an operating sound level of 52 dBA. Leave room to reach and remove the washable filter after installation.
Skip it for a larger living room or if your only need is basic cooling in a much smaller space. Buy the extra modes because they fit your routine, not as a substitute for correct sizing.
6. GE 6,000 BTU electronic window air conditioner
GE 6,000 BTU electronic window air conditioner: Best for repeatable temperature settings
- For rooms up to 250 sq ft
- Digital controls and remote
- 24-hour timer
- Eco mode
The digital thermostat lets you return to the same temperature setting each day. It suits buyers who want a display and remote without connecting an app.
Pros
- 64°F to 86°F thermostat range
- Auto restart remembers settings
- Filter reminder
Cons
- Not Wi-Fi compatible
- Two-way airflow offers fewer directions than the Frigidaire alternative
Choose this GE for a small room where repeatable temperature settings matter. The LED display and digital thermostat let you return to a preferred number instead of remembering a dial position.
Its thermostat range is 64°F to 86°F, and the remote lets you change settings across the room. The 24-hour timer and Eco mode suit a bedroom or office used at predictable times.
This model serves rooms up to 250 sq ft and includes a washable filter with a reminder. Auto Restart remembers settings after power returns.
The double-hung window range is 27.125 to 36 inches wide, with at least 13.375 inches of opening height. Measure the clear opening, including any trim or obstructions that affect installation.
Skip it if you want phone or voice control, since it is not Wi-Fi compatible. Choose the Frigidaire alternative if redirecting airflow in more directions matters more than the GE's digital thermostat range.
7. TCL 10,000 BTU smart window air conditioner
TCL 10,000 BTU smart window air conditioner: Best for connected living spaces
- For rooms up to 450 sq ft
- TCL Home app control
- Remote and voice control
- Fan and dehumidifier modes
App and voice controls suit a larger room where you already use connected devices. The included remote also gives you a direct way to change settings.
Pros
- Alexa and Google Assistant compatibility
- Sleep and Eco modes
- Washable filter
Cons
- Voice control needs compatible devices
- Too much capacity for many small bedrooms
Choose the TCL for a larger living space up to 450 sq ft where connected controls will be useful. The TCL Home app, included remote and compatible Alexa or Google Assistant devices give you several ways to adjust it.
The air conditioner also has fan and dehumidifier functions. Fan mode circulates air without active cooling, while Sleep and Eco modes provide other operating choices.
This is a sensible capacity step when the medium-room picks are too small for your space. It is not a reason to oversize a small bedroom just to gain app control.
Skip it if you want no connected setup and would rarely use the smart features. You can use its remote, but the main reason to shortlist it over a simpler model is the combination of capacity and connected controls.
It weighs 48.5 lb, so arrange help with lifting and confirm the mounting requirements before installation day.
8. GE 12,000 BTU smart window air conditioner
GE 12,000 BTU smart window air conditioner: Best for large family rooms
- For rooms up to 550 sq ft
- SmartHQ app control
- Alexa and Google Assistant compatibility
- Three cooling modes
The highest-capacity option here suits a large family room with a suitable window. SmartHQ lets you monitor, schedule and adjust cooling from your phone.
Pros
- App, remote and voice control
- Three cooling modes and fan speeds
- Slide-out washable filter
Cons
- Weighs 63.6 lb
- Requires planning for lifting and window support
Choose this GE for a large family room up to 550 sq ft with a suitable double-hung window. It has the greatest cooling capacity here, making room size the main reason to choose it.
SmartHQ lets you monitor, schedule and control cooling from your phone. Alexa and Google Assistant compatibility add voice options, and a remote is included.
Three cooling modes and three fan speeds let you adjust operation. In Eco Mode, the fan and compressor turn off when the room is cool enough, so expect breaks in the airflow.
GE specifies windows 25 to 36.625 inches wide with an opening height of 14.563 inches. Its 63.6 lb weight also makes lifting help and secure support part of the buying decision.
Skip it for a small enclosed room or a window that cannot support the required installation. Use our room air conditioner sizing guide before choosing this capacity just because it is the largest available here.
9. LG 5,000 BTU window air conditioner
LG 5,000 BTU window air conditioner: Best for narrower bedroom windows
- For rooms up to 150 sq ft
- Mechanical controls
- Two cooling modes and fan speeds
- Washable filter
This LG is worth checking when a small bedroom has a narrower double-hung window. Its mechanical controls suit buyers who want simple adjustments at the unit.
Pros
- Window fit starts at 21 inches wide
- Slide-out washable filter
- Installation kit included
Cons
- No inverter
- Mechanical controls lack a digital temperature display
Choose this LG for a small bedroom with a narrower double-hung opening. Its installation range starts at 21 inches wide, making it worth checking when the GE small-room models will not fit.
LG specifies a window width of 21 to 35 inches and an opening height of 12 inches. Confirm the full mounting requirements rather than judging fit from the cabinet alone.
Mechanical controls, two cooling modes and two fan speeds suit buyers who want adjustments at the unit. LG gives a low-mode sound level of 50 dB, and the slide-out washable filter supports routine cleaning.
Skip it if you want a digital display or the remote-controlled operation of the larger LG. It is sized for rooms up to 150 sq ft, so window fit should not tempt you to use it in a larger space.
Keep furniture far enough away to reach the controls and remove the filter.
How do you choose a window air conditioner by room size?
Measure the room you want to cool, then match its needs to the unit's coverage. Multiply length by width for a rectangular room; divide an irregular room into smaller rectangles and add their areas.
A 10 by 15 ft bedroom has 150 sq ft of floor area. Do not use an apartment's total area if the unit will sit in one bedroom with the door closed.
Strong afternoon sun, high ceilings, weak insulation and heat-producing appliances can increase cooling needs. A shaded bedroom and a sunny kitchen of the same size may need different capacity choices.
Avoid buying extra capacity as insurance. An oversized unit can cool the air and shut off before removing enough moisture, leaving a cool but clammy room.
A unit that is too small may run for long periods while the far side of the room stays warm. Neither problem is solved by choosing the lowest thermostat setting.
Open doorways also do not guarantee even cooling between rooms. Hallways, corners and closed doors limit airflow, so plan around the room containing the unit.
Our air conditioner sizing guide helps you check the conditions that floor area alone misses.
Which window air conditioner features are worth comparing?
Pay for controls and modes you will use often. A remote is useful across a bedroom; phone control is more useful when you want to manage cooling without being in that room.
Mechanical dials suit buyers who adjust by feel. A digital thermostat makes it easier to repeat a preferred setting, though the temperature can still vary across the room.
A timer follows a planned schedule. Auto Restart serves a different purpose: it restores operation after a power interruption, rather than deciding when your day begins.
Sleep Mode suits people who want less cooling later at night. Avoid enabling it automatically if you prefer a steady overnight setting.
Eco modes can change how the fan and compressor cycle. If you prefer continuous airflow, compare the available fan settings and read the mode instructions before choosing your daily setup.
Directional louvers matter when the bed, desk or sofa sits in the air path. More airflow directions give you more ways to avoid a direct draft.
All 9 picks have washable filters. These help capture dust, but they do not replace keeping the room clean or addressing a persistent moisture problem.
How should you compare noise claims?
Compare sound figures measured in similar modes, then consider where the unit will sit. A low-fan number should not be treated as the sound level during every cooling cycle.
Fan noise, compressor starts and vibration can affect comfort differently. A small difference between published numbers is a weak reason to reject an otherwise better-fitting unit.
For a bedroom, think about the distance between the window and your pillow. Plan to cool the room before bedtime so you can use a comfortable fan setting rather than relying on the highest airflow all night.
Secure mounting matters because loose parts can rattle. Follow the fastener instructions and keep curtains or blinds from tapping against the cabinet.
For more help narrowing a bedroom shortlist, see our guide to the quietest window air conditioners.
What should you check before installing a window unit?
Confirm the window type, clear opening, outlet location and support method before ordering. Installation kit dimensions matter as much as the width of the air conditioner's cabinet.
Check that the frame is sound and the sash can be secured as directed. Renters should also check building rules and permission for any required fasteners.
Plan the lift before unpacking the unit. Arrange help, clear the route and have the mounting parts ready so nobody has to hold the cabinet while searching for hardware.
Side panels and foam close gaps; they are not substitutes for structural support. Our guide to window air conditioner support brackets explains the checks to make for the unit and window.
Follow the model's instructions for tilt and drainage. Do not drill drain holes or change the cabinet to solve water concerns.
Keep the outdoor portion clear so it can release heat. Indoors, avoid trapping airflow behind curtains, deep furniture or a tightly fitted blind.
Use the electrical connection required by the manual and connect directly to a suitable grounded outlet. Do not plan around a power strip or an extension cord.
If you have a sideways-opening window, read about air conditioners for sliding windows before choosing a standard double-hung model.
How do you keep a window air conditioner cooling well?
Keep the filter clean, airflow clear and window gaps sealed. These checks should come before lowering the thermostat when a room feels warmer than usual.
Inspect the filter regularly, especially in dusty rooms or homes with pets. Follow the manual's cleaning method and let a washed filter dry fully before reinstalling it.
A filter reminder is a prompt, not a reason to ignore visible buildup. Check sooner if airflow weakens, and never operate the unit with its filter removed.
Turn the unit off and disconnect power before care tasks that require it. Our guide to cleaning a window air conditioner explains how to approach routine cleaning.
Close windows and exterior doors while cooling, and use blinds to limit strong sun. Start cooling before the room becomes heavily heat-soaked when your schedule allows.
Setting a much lower temperature does not usually make a conventional unit cool faster. Choose a comfortable target and use the appropriate fan speed to move air through the room.
At the end of the season, follow the manual for removal or storage. Never run the unit with an outdoor cover blocking its airflow.
Which window air conditioner should you choose?
Choose the best window air conditioner by capacity and fit, then use the feature differences to settle the decision. Eliminate any model that fails your window or room-size checks, regardless of its score.
For a small enclosed bedroom, start with the Frigidaire top pick. Choose the GE dial model for simple controls, or the compact LG when its narrower window range makes the difference.
For the middle capacity range, choose the Frigidaire 6,000 BTU for airflow flexibility and operating modes. Choose the GE electronic alternative when a repeatable digital temperature setting matters most.
For a medium room, the LG 8,000 BTU suits everyday remote-controlled use. Pick the Frigidaire counterpart when its gradually warmer Sleep Mode fits your nights.
For larger spaces, choose between the TCL and GE smart models by room needs rather than app features alone. Their higher capacity should solve a sizing need, not simply look like an upgrade.
If window compatibility rules out these choices, compare portable air conditioners next. Our window, portable and through-the-wall air conditioner guide explains which format fits different room setups.
Our top 3 picks at a glance
-
1
Best for small bedroomsFrigidaire 5,000 BTU window air conditioner
8.6/10 our score
See it on Amazon -
2
-
3
Best for warmer sleeping preferencesFrigidaire 8,000 BTU window air conditioner
8.1/10 our score
See it on Amazon
Frequently asked questions
What size window air conditioner do I need?
Match cooling capacity to your room's floor area, then account for strong sun, high ceilings and heat-producing appliances; measure the actual space you want to cool rather than your whole home's area. Our air conditioner sizing guide explains the room conditions to check before choosing a capacity.
Is a higher BTU window air conditioner always better?
No; an oversized air conditioner can cool the air quickly and shut off before removing enough moisture, leaving the room cool but clammy. An undersized unit may run for long periods without reaching your setting; choose capacity for the room's cooling needs, rather than the largest unit your window can hold.
Should I choose a window air conditioner with a remote?
Choose a remote if the window is across the room, behind furniture or inconvenient to reach; it lets you change settings without walking to the unit. Mechanical dials suit buyers who prefer direct controls, while app control is useful when you want access from outside the room.
Do window air conditioners need a support bracket?
A support bracket is needed when the installation instructions, window design or local requirements call for one; check the window's condition and the unit's mounting method before installation. Our guide to window air conditioner support brackets explains the support checks to make before you lift the unit into place.
About this guide: Our look at best window air conditioners draws on maker specs, materials and what owners report. See how we research.



