10 Best Air Conditioners for Sale in 2026

When the summer heat turns your bedroom into a sauna, the difference between a great AC and a mediocre one becomes painfully obvious. Window units seem simple, but picking the wrong BTU rating or a noisy compressor can make the whole experience miserable. Whether you need to cool a small home office, a shared living room, or a rented apartment where you can't alter the windows, the best air conditioners for sale this year cover a wide range of spaces and preferences. We've sorted through the most popular models on the market to find the ones that actually deliver on their promises.

These ten picks span from inexpensive 5,000 BTU window units perfect for a single bedroom all the way up to a 12,000 BTU beast that can handle a large open-plan area. There's also a portable unit that trades raw cooling power for the freedom to move between rooms. Some rely on simple knobs; others bring remote controls and programmable timers. For every situation, there's a solid choice here.

TL;DR: The Midea 5,000 BTU EasyCool is the one most people should buy: it's quiet, simple, and the most popular window unit for a reason. The Frigidaire 5,000 BTU with Remote adds convenience features like a remote and Eco mode without sacrificing low noise. For larger rooms up to 350 square feet, the LG 8,000 BTU is the strongest combination of power and quiet operation. The Line Blaster 8500 BTU Portable is the clear winner for renters or anyone who needs cooling without a permanent installation.

At a glance

#	Product	Best for	Cools up to	Notable feature
1	Midea 5,000 BTU EasyCool	Best all-rounder for small rooms	150 sq. ft.	Simple mechanical controls, quietest at 52 dBA
2	Frigidaire 5,000 BTU (Remote)	Best feature set in a small unit	150 sq. ft.	Remote control, Eco mode, 3 fan speeds
3	GE 5,000 BTU	Best for low-noise sleep	150 sq. ft.	52 dBA low mode, simple dials
4	Amazon Basics 5,000 BTU	No-frills cooling from a trusted brand	150 sq. ft.	Washable filter, 2-way air direction
5	Frigidaire 5,000 BTU (Mechanical)	Traditional controls, reliable performance	150 sq. ft.	Effortless Temperature Control, auto restart
6	LG 6,000 BTU	Best for slightly larger bedrooms	250 sq. ft.	Digital controls, remote, 2-way air deflection
7	Antarctic Star 8,000 BTU	Best value for medium rooms	350 sq. ft.	6 modes including dehumidifier, remote
8	LG 8,000 BTU	Best premium pick for medium rooms	350 sq. ft.	3 cooling speeds, 53 dBA, auto restart
9	Frigidaire 12,000 BTU	Best for large living spaces	550 sq. ft.	Eco mode, remote, 6-way airflow
10	Line Blaster 8500 BTU Portable	Best portable option for renters	450 sq. ft.	3-in-1 (AC/fan/dehumidifier), easy rolling

How we picked

In a category crowded with nearly identical-looking white boxes, the differences come down to a few critical factors.

• Cooling capacity vs. room size: An undersized AC runs constantly without ever catching up; an oversized one short-cycles and leaves the room clammy. We focused on units that match their BTU rating to the square footage they claim, with a preference for those that run quietly even on low.
• Noise level: A window AC sits right next to where you sleep or work. Every decibel matters. We gave extra weight to models that advertise 52–53 dBA on low speed, as that's the threshold for undisturbed sleep.
• Control type and convenience: Mechanical dials are dead simple and never fail, but remote controls and programmable timers let you set the temperature without getting out of bed. We included both kinds to suit different preferences.
• Installation flexibility: Window fit matters a lot. Units that accommodate a range of window widths (23 to 36 inches) and include side panels and mounting hardware make life easier. For people who can't install a window unit at all, the portable option is essential.
• Airflow direction and filter access: You want the cold air to hit you, not the curtain. Adjustable louvers and multi-direction airflow are underrated. Also, a washable filter that's easy to reach saves you from buying replacements.

1. Midea 5,000 BTU EasyCool: Best Overall

Pros

• Quietest on our list at 52 dBA
• Simple mechanical controls that anyone can use
• Reusable, washable filter
• Fits windows 23 to 36 inches wide
• 1-year parts and labor warranty

Cons

• No remote control
• Only two fan speeds
• Can feel basic compared to electronic models

Best for: Anyone with a small bedroom, home office, or studio who wants straightforward cooling without any fuss.

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The Midea EasyCool is the window unit that outsells almost everything else in its class, and for good reason. It hits the sweet spot of being quiet enough to sleep through, powerful enough for a 150-square-foot room, and simple enough to operate without reading a manual. The mechanical rotary knobs for temperature and fan speed are a deliberate choice: no digital beeps, no menus, just twist and cool.

What makes this unit stand out is how it manages to stay at 52 dBA on low while still cooling effectively. Many ACs at this price point rattle or hum, but the Midea feels solid and unobtrusive. The two-way air direction lets you point the cold stream left or right, which is useful if the window is off-center from where you sit. Installation is standard for the category: the side panels expand to fit, and you need a screwdriver and a bit of patience. The reusable filter slides out from the front and rinses clean under a tap, no tools needed.

The lack of a remote is the only real compromise. If you want to adjust the temperature from bed, you'll have to get up. But for the person who values simplicity and reliability, this is the unit to beat. It's the one we'd recommend to someone who just wants their room cool without overthinking it.

2. Frigidaire 5,000 BTU (Remote): Best Feature Set in a Small Unit

Pros

• Includes remote control for full adjustment from across the room
• Three fan speeds for fine-grained control
• Eco mode saves energy without sacrificing comfort
• Clean Filter alert reminds you to maintain it
• 52 dBA on low, very quiet

Cons

• Slightly heavier than the mechanical model (35.5 lb)
• Remote is small and easy to misplace
• Electronic controls may be less intuitive for some

Best for: People who want modern conveniences like a remote, timer, and sleep mode in a compact 5,000 BTU package.

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This Frigidaire takes the basic window AC concept and adds the features that make daily use nicer. The remote is the headline: you can change the temperature, switch fan speeds, or activate Eco mode from anywhere in the room. That matters more than you'd think when the unit is above your bed and you're already under the covers.

Beyond the remote, this model offers three fan speeds instead of the standard two, plus a 24-hour on/off timer. The 6-way directional airflow is also a step up from the basic up/down deflectors on cheaper units. You can really aim the air precisely. The Eco mode cycles the compressor on and off to maintain temperature without running constantly, which also reduces noise further when the compressor is off.

The trade-off is complexity. The digital control panel has multiple buttons and a small display. For someone who just wants cold air, the mechanical units below might be easier. But if you're willing to spend a moment learning the interface, the day-to-day comfort is noticeably better than a bare-bones unit. The remote alone is worth it for many.

3. GE 5,000 BTU: Best for Low-Noise Sleep

Pros

• Low 52 dBA on the quiet mode, ideal for light sleepers
• Simple mechanical controls, no beeps or lights
• Auto restart after power outage
• Washable reusable filter
• Fits windows 27 to 36 inches wide

Cons

• Only two cooling speeds
• No remote control
• Not the most stylish design

Best for: Light sleepers who need a genuinely quiet AC that won't buzz or click through the night.

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GE has been making window ACs for decades, and this 2024 model refines the formula. It's built around a compressor and fan that are genuinely quiet at low speed, hitting 52 dBA. That's quieter than a typical conversation and similar to the hum of a refrigerator. The mechanical dials are a deliberate choice for the bedroom: no electronic tones, no bright standby lights. The knob clicks into place with a satisfying resistance.

The unit also includes a feature many overlook: auto restart. If a thunderstorm kills the power, the GE will resume cooling at its previous settings when the electricity comes back. That's not standard on every budget unit. The installation kit is complete with foam seals and side panels, though the minimum window width of 27 inches is slightly narrower than some competitors, which could be a problem for very narrow double-hungs.

It's not flashy. The case is plain white plastic, and the controls could look dated to some. But for the person who values a good night's sleep above all else, this is a focused design that gets the job done.

4. Amazon Basics 5,000 BTU: No-Frills Cooling from a Trusted Brand

Pros

• Very simple to operate with two dials
• Washable filter for easy maintenance
• 7 temperature settings and 2 cooling speeds
• 2-way air direction control
• Fits windows 23 to 36 inches wide

Cons

• No remote control
• 56 dBA is louder than some competitors on high
• Build quality feels lighter than Midea or GE

Best for: Someone who wants the lowest possible price from a reliable brand without any extra features they'll never use.

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Amazon Basics has become a safe bet for no-nonsense appliances, and this 5,000 BTU unit is exactly that. The mechanical controls are straightforward: one dial for temperature, one for fan speed. There's no remote, no timer, no filter light. You turn it on, set it where you want, and it cools. That's the whole experience.

The tradeoff is apparent in the noise. At 56 dBA on high, it's noticeably louder than the 52 dBA units above. On low it's better, but you'll hear the compressor cycle more distinctly. The plastic housing also feels a bit hollow compared to the Midea or GE. It's not flimsy, just economical.

For a guest bedroom, a workshop, or any space where you don't spend eight hours sleeping next to it, this unit works fine. The performance is adequate for 150 square feet, and the washable filter is convenient. It's the kind of AC you grab when you need something fast and functional, and you're not picky about the details.

5. Frigidaire 5,000 BTU (Mechanical): Traditional Controls, Reliable Performance

Pros

• Effortless Temperature Control maintains set temp consistently
• Quiet operation at 52 dBA
• Auto restart ensures settings are preserved
• Extra-long power cord eliminates need for extension cords
• Adjustable side panels for easy fit

Cons

• Only two fan speeds
• No remote control
• No timer or Eco mode

Best for: Someone who prefers mechanical dials over digital interfaces and wants Frigidaire's reputation without paying for the remote version.

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Frigidaire's mechanical 5,000 BTU unit shares a lot of DNA with the remote model above, but strips away the electronics for a simpler, potentially more durable setup. The Effortless Temperature Control is just a thermostat that cycles the compressor to maintain the set point, but it works well enough to keep the room from swinging between too cold and too warm.

The 52 dBA rating matches the Midea and GE, so it's quiet enough for a bedroom. The extra-long power cord is a thoughtful addition: many window ACs have short cords that force you to use an extension cord, which is not recommended. This one reaches standard outlets without one.

What you give up is the timer, remote, and extra fan speed. If you know you'll only adjust the temperature when you first turn it on, and you never need to change it from across the room, this mechanical unit is the smarter buy than the electronic version. For the same price, you're paying for fewer features but likely longer reliability with no circuit boards to fail.

6. LG 6,000 BTU: Best for Slightly Larger Bedrooms

Pros

• Cools up to 250 square feet, good for medium bedrooms
• Quiet at 52 dBA on low
• Digital controls with remote
• 2-way air deflection for directed airflow
• Auto restart and filter reminder

Cons

• Requires a larger window (min. 27 inches wide)
• Heavier at 44 lb
• Higher power draw than 5,000 BTU units

Best for: A standard bedroom that borders on 250 square feet, where a 5,000 BTU unit would struggle.

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LG's 6,000 BTU model bridges the gap between the tiny 5,000 BTU units and the heavy 8,000 BTU ones. It's designed for rooms around 10 by 25 feet, which is a common master bedroom or den. The extra BTU headroom means it will cool faster and maintain temperature more easily than a smaller unit would, without the cost or current draw of an 8,000 BTU.

The digital controls are clear and responsive. The remote includes all functions, so you can change settings from bed. The 2-way air deflection lets you direct the airflow left or right, which is helpful in longer rooms. The unit also includes a filter light that reminds you to clean the washable filter after every 30 days of use, a nice touch that helps maintain efficiency.

The downside is weight and size. At 44 lb, it's noticeably heavier than the 35 lb 5,000 BTU units, and installation requires a bit more muscle. The window width requirement is also slightly larger. But for the room it's designed for, the cooling performance is excellent. It's a Goldilocks unit for people who know their space is too big for a 5,000 BTU but not large enough to justify an 8,000.

7. Antarctic Star 8,000 BTU: Best Value for Medium Rooms

Pros

• Cools up to 350 square feet effectively
• 6 modes including cool, fan, dehumidifier, and ECO
• Remote control with clear digital display
• Two adjustable louvers for horizontal and vertical airflow
• Lightweight for its class at 44.75 lb

Cons

• Brand is less established than LG or Frigidaire
• Noise level not specified, but likely around 55 dBA
• Only one year warranty

Best for: Someone who needs 8,000 BTU cooling on a tighter budget and doesn't mind a lesser-known brand.

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Antarctic Star is a newer name in window ACs, but this 8,000 BTU unit comes loaded with features that usually cost more. The 6-in-1 modes are the highlight: you get cooling, fan, dehumidifying, ECO, and sleep modes, plus a timer. The digital display is soft-lit for night visibility, and the remote works reliably from across the room.

The airflow system is more flexible than most. Two adjustable louvers control horizontal spread, while the deflector handles vertical direction. That means you can really aim the cold air where it's needed without blocking the output. Installation is straightforward with included side panels, though the window width range (about 26 to 36 inches) is standard.

The biggest question mark is longevity. Without the track record of LG or Frigidaire, it's hard to know how the compressor and electronics will hold up after three summers. The one-year warranty is typical, but the build feels solid enough. For the features you get at this level, it's a compelling option for medium-sized living rooms or open-plan spaces where you want a remote and multiple modes without paying a premium.

8. LG 8,000 BTU: Best Premium Pick for Medium Rooms

Pros

• LG build quality and reliability
• 3 cooling speeds and 3 fan speeds for maximum customization
• Low noise at 53 dBA on low
• Auto restart after power failure
• Electronic controls with remote

Cons

• Heavy at 57 lb, two-person installation recommended
• Higher price point than comparable 8,000 BTU units
• Requires specific window dimensions (27 to 36 inches wide)

Best for: The buyer who wants a premium, quiet, and flexible 8,000 BTU unit from a top brand and is willing to pay for it.

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LG's 8,000 BTU model is the most refined unit on this list for medium rooms. Everything about it feels engineered: the three cooling speeds that make incremental differences, the 53 dBA low setting that barely registers, and the thoughtful remote that lets you see the current temperature without walking over. The Auto Cool mode uses a thermostat to adjust the fan speed automatically, which saves energy without you having to tweak settings.

The unit also fits standard windows from 27 to 36 inches wide and includes a complete installation kit. At 57 lb, it's heavy, but the weight also translates to a sense of solidity. The compressor is well insulated; you hear a low hum rather than a rattle. The electronic control panel is intuitive with clearly labeled buttons and a digital display that shows the set temperature.

The downside is the cost. You pay a clear premium for the LG badge and the extra engineering. If your budget is flexible and you want the best possible experience for a 350-square-foot room, this is it. The peace of mind from a brand known for making reliable compressors is worth something.

9. Frigidaire 12,000 BTU: Best for Large Living Spaces

Pros

• Powerful enough for up to 550 square feet
• 6-way directional airflow for even distribution
• Eco mode and Sleep mode for energy savings
• Remote control with full functionality
• Clean Filter alert and washable filter

Cons

• Very heavy at 63.5 lb; installation is a two-person job
• 55 dBA is louder than smaller units
• Requires a large window (21.4 inches wide minimum)

Best for: Large living rooms, open-plan kitchens, or home offices that need serious cooling power.

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When a standard 8,000 BTU unit can't keep up, Frigidaire's 12,000 BTU model steps in. It's designed for rooms up to 550 square feet, which covers most large living rooms and even some small apartments. The 6-way airflow direction is a standout: you can adjust the louvers to send cool air left, right, up, or down, which helps avoid cold spots in a large area.

The Eco mode does what you expect by cycling the compressor to maintain temperature without running full blast all the time. Combined with the 24-hour timer, you can program it to start cooling an hour before you get home from work and switch to Eco later in the evening. The remote control makes all these adjustments easy from across the room.

The real compromise is installation. At 63.5 lb, it's the heaviest unit here, and it requires a window opening at least 21.4 inches wide and 14.6 inches high. That rules out many narrower double-hung windows. Plan for two people and a sturdy mounting. Once it's in, though, it delivers the kind of cooling that makes you forget the effort. For a big living space, there's no substitute for sheer BTUs.

10. Line Blaster 8500 BTU Portable: Best Portable Option for Renters

Pros

• No permanent installation required; rolls on 360-degree casters
• 3-in-1 functions: cool, fan, dehumidifier
• Cools up to 450 square feet
• Tool-free window sealing kit included
• Sleep mode adjusts temperature and fan overnight

Cons

• Less efficient than window units (exhaust hose dumps heat into room)
• Requires floor space and a place to vent the hose
• Not as quiet as the best window units

Best for: Renters, dorm residents, or anyone who can't install a window unit and needs a flexible, movable cooling solution.

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The Line Blaster portable AC fills an important niche. If you live in an apartment where the landlord won't allow window units, or your windows are casement or sliding types that don't fit standard window ACs, this is your best option. It sits on the floor, rolls wherever you need it, and vents through a hose that attaches to a window kit.

The 8500 BTU rating (measured by ASHRAE standard) cools rooms up to 450 square feet, though in practice it works best in spaces of 300 to 400 square feet. The 3-in-1 design means it can act as a fan or dehumidifier alone, which extends its usefulness into humid spring months. The sleep mode is a real benefit for overnight use: it gradually reduces fan speed and adjusts the set point to avoid overcooling.

The tradeoffs are the same as with every portable AC. The exhaust hose draws indoor air to cool the condenser and blows that heat back outside, which creates negative pressure that can pull hot air in from other cracks. This makes portables less efficient than window units. Also, this unit is 43 lb and takes up floor space. But for its specific use case, it's the most convenient solution. The installation kit requires no tools and can be set up in five minutes, and when you move out, you just roll it away.

Buyer's Guide: How to Choose Air Conditioners for Sale

The biggest mistake people make when buying a room air conditioner is guessing the size. The right BTU rating depends on your room's square footage, ceiling height, sun exposure, and how many people typically occupy the space.

BTU Sizing and Room Area

BTU (British Thermal Unit) is the measure of cooling power. A 5,000 BTU unit is designed for rooms up to 150 square feet. That covers most standard bedrooms and small home offices. Jumping to 6,000 or 8,000 BTU extends the range to 250 or 350 square feet, respectively. For large living rooms up to 550 square feet, you need 12,000 BTU or more.

Going too big is as bad as too small. An oversized AC will cool the room quickly but then shut off, only to cycle back on before the humidity has been removed. The result is a clammy, uncomfortable feeling. Stick to a unit that matches your room size.

Window Fit and Installation

Most window ACs are designed for double-hung windows that open vertically. Measure your window's width and height before buying. The majority of 5,000 and 6,000 BTU units fit windows 23 to 36 inches wide and at least 13 inches high. Larger units require wider openings. All include adjustable side panels and foam seals, but some windows, especially older ones, need additional support brackets for heavy units. Check the weight of the unit and whether your window sill can support it.

Noise Levels

Noise is measured in dBA. A rating of 52 dBA is roughly as loud as a running refrigerator; 56 dBA is more noticeable but still below normal conversation. For bedrooms, aim for 52 to 53 dBA on low speed. Many units run louder on high, but you can often set them to low at night and still stay comfortable. Portable units tend to be louder because the compressor is inside the room instead of outside.

Controls and Convenience

Mechanical dials have fewer parts to break and are easier for some to use. Electronic controls with remotes offer more flexibility: you can change settings without getting up, set timers, and switch between modes. If you share a living space, the ability to adjust from across the room is genuinely useful. Also look for auto restart, which saves your settings after a power outage.

Energy Efficiency and Extra Modes

All modern window ACs have a CEER or SEER rating. Higher numbers mean better efficiency. Eco mode cycles the compressor to hold the temperature without running continuously, which saves energy. Sleep mode gradually raises the set point overnight to match your body's natural cooling cycle. Dehumidifier mode can be helpful in humid climates, but it's a secondary function, not a substitute for a dedicated dehumidifier.

Frequently Asked Questions

What size air conditioner do I need for my room?

Measure the length and width of the room and multiply to get square footage. For 150 square feet, a 5,000 BTU unit works well. For 200 to 250 square feet, go with 6,000 BTU. For 300 to 350 square feet, 8,000 BTU is appropriate. For 450 to 550 square feet, you need 12,000 BTU. Adjust upward if the room gets direct sun, has high ceilings, or is a kitchen.

Should I get a window air conditioner or a portable one?

Window units are more efficient, quieter, and typically cheaper. Portable units are the only option if you cannot install a window unit due to rental rules, window type, or if you need to move the AC between rooms. Portables also function as fans and dehumidifiers, but they cool less efficiently because the heat from the compressor is exhausted through a hose that is inside the room.

What does BTU mean and why does it matter?

BTU stands for British Thermal Unit. It measures how much heat an air conditioner can remove from a room per hour. Higher BTUs mean more cooling power. Choosing the correct BTU for your room size is the most important factor in getting comfortable and avoiding wasted energy.

How loud is a window air conditioner in decibels?

Most quiet window ACs operate at 52 to 53 dBA on low speed. That is similar to the sound of a refrigerator. On high speed, they often reach 56 to 60 dBA, which is comparable to a normal conversation. If you are sensitive to sound, look for units that advertise 52 dBA or lower.

Do window air conditioners need to be drained?

Most modern window ACs do not require manual draining under normal conditions. They evaporate the condensation through the exhaust. However, in extremely humid climates, some units may collect water in a pan that needs to be drained periodically. Check the manual for your specific model.

What is Eco mode on an air conditioner?

Eco mode cycles the compressor on and off to maintain the set temperature instead of running constantly. The fan may also slow down. This saves energy and reduces noise during the off cycles, but the temperature may fluctuate slightly. It is ideal for when the room is already comfortable and you just want to maintain it.

Can I install a window air conditioner in a casement window or sliding window?

Standard window ACs are designed for double-hung windows that open vertically. Casement windows (crank-out) and horizontal sliding windows require special mounting kits or portable units. Some brands sell kits for these window types, but the safest bet is a portable AC with a universal window seal kit.

Final Verdict

The Midea 5,000 BTU EasyCool remains our top pick for most people: it is quiet, simple, and backed by the confidence of being the most popular window unit in its class. If you want more features without moving up in room size, the Frigidaire 5,000 BTU with Remote delivers a remote, Eco mode, and three fan speeds at a reasonable bump in price. For larger rooms up to 350 square feet, the LG 8,000 BTU is the quiet, well-engineered choice that will last for years. And for renters or anyone stuck without a suitable window, the Line Blaster 8500 BTU Portable offers true flexibility with minimal installation hassle.

No single air conditioner works for every room or every living situation. Match the BTU to your space, prioritize the noise level that lets you sleep, and consider how much control you really need from across the room. The best air conditioners for sale in 2026 cover all those bases, and one of these ten will handle your summer heat.

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