Looking for the perfect air conditioners window units to beat the summer heat? You’re not alone—millions of homeowners rely on these compact, efficient cooling solutions for bedrooms, apartments, and small living spaces. Unlike central AC systems, window units are affordable, easy to install, and deliver targeted cooling exactly where you need it. Whether you’re cooling a cozy 150-square-foot bedroom or a spacious 550-square-foot living area, there’s a window AC out there built for your space, budget, and lifestyle. In this expert roundup, we’ve tested and compared the top-performing models to help you make a smart, informed decision—without the guesswork.
Quick Product Comparison
Our Top 7 Air Conditioners Window Units Reviews – Expert Tested & Recommended
1. Amazon Basics 5000 BTU Window Air Conditioner for Rooms up to 150 Sq Ft, White
The Amazon Basics 5000 BTU window air conditioner is a reliable, no-frills cooling solution perfect for small spaces. Designed for rooms up to 150 square feet, it’s ideal for bedrooms, home offices, or studio apartments. With simple dial controls and efficient cooling performance, this unit delivers consistent comfort without breaking the bank.
Key Features That Stand Out
✓ 5000 BTU cooling capacity for rooms up to 150 sq ft
✓ Washable, easy-access air filter for simple maintenance
✓ 7 temperature settings and 2-speed fan modes
✓ 2-way air direction control for targeted airflow
Why We Recommend It
This unit strikes the perfect balance between affordability, reliability, and performance. It cools quickly, installs easily in standard vertical-sliding windows, and operates with minimal hassle—making it our top pick for small-space cooling.
Best For
Small bedrooms, studio apartments, or home offices where quiet, efficient cooling is needed without complex features.
Pros and Cons
Pros:
- Affordable price point
- Easy installation and setup
- Washable filter reduces maintenance costs
- Compact design fits most standard windows
Cons:
- Louder than higher-end models—not ideal for light sleepers
- No remote control included
Customer Reviews
Customer Review: “These are noisy little boxes that put a great stream of cool air in summer. Use in smaller rooms during day. Very easy to mount in windows that open vertically. Too noisy for night use. Like the simple dial controls.”
Customer Review: “Nice little air conditioner for a decent price!!! It had little dent marks in the radiator cooling side when I opened it up but I tested it and works fine, I’m satisfied!!!”
2. Mudder 2 Pack Window Air Conditioner Cover Indoor Outdoor Adjustable Waterproof Window AC Unit Cover
Protect your investment with the Mudder 2 Pack Window AC Cover—a smart addition to any window air conditioner setup. These covers shield your unit from rain, snow, dust, and debris during off-seasons, helping extend its lifespan and improve energy efficiency year-round.
Key Features That Stand Out
✓ Includes one indoor and one outdoor cover
✓ Made from 210D windproof oxford (indoor) and 600D waterproof oxford (outdoor)
✓ Adjustable design fits most standard window AC units
✓ Helps prevent cold air leakage in winter and heat gain in summer
Why We Recommend It
While not an AC unit itself, this cover is essential for maintaining your window air conditioner’s performance and longevity. It’s affordable, durable, and easy to install—making it our Editor’s Choice for AC care and protection.
Best For
Homeowners who leave their window AC installed year-round or want to protect their unit during storage.
Pros and Cons
Pros:
- Dual-layer protection for indoor and outdoor use
- Reduces energy loss and improves efficiency
- Fits most standard window units
- Easy to install and remove
Cons:
- Not compatible with oversized or custom AC models
- Requires manual installation each season
Customer Reviews
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Customer Review: “Great value for two covers. The outdoor one kept my AC dry all winter, and the indoor cover stopped drafts. Easy to secure with the straps.”
3. BLACK+DECKER 8000 BTU Window Air Conditioner with Remote, Cools 350 Sq Ft
The BLACK+DECKER 8000 BTU window air conditioner delivers powerful cooling for medium-sized rooms at an unbeatable price. With a full-function remote, multiple fan speeds, and sleep mode, it offers premium features typically found in higher-priced models—making it our Best Budget pick.
Key Features That Stand Out
✓ 8000 BTU cooling power for rooms up to 350 sq ft
✓ Full-function remote control with digital display
✓ Four operating modes: Auto, Low, Medium, High
✓ Sleep mode and 24-hour timer for energy savings
Why We Recommend It
This unit proves you don’t need to spend a fortune for reliable, feature-rich cooling. It cools large spaces quickly, operates quietly for its class, and includes convenient controls—all at a budget-friendly price.
Best For
Medium-sized bedrooms, living rooms, or home offices where value and performance matter most.
Pros and Cons
Pros:
- Excellent price-to-performance ratio
- Remote control adds convenience
- Quick cooling for large rooms
- Energy-efficient operation modes
Cons:
- Some units arrive with minor cosmetic dents
- Not Wi-Fi enabled
Customer Reviews
Customer Review: “Excellent price and works flawlessly. Multiple settings and remote. Cools entire room quickly to set temp. Highly recommend.”
Customer Review: “5 stars for how well this works, it is keeping the laundry room/kitchen area cool like should be happening. Because some complained of dents in the AC I will say this….our unit has a dent in the grating on the side however because there is no damage to the box this damage occurred at the factory thu”
4. LG 6000 BTU Window AC Unit with Remote, Quiet Operation, Cools 250 Sq Ft
LG is known for reliability, and this 6000 BTU window AC unit lives up to the brand’s reputation. Designed for quiet operation and efficient cooling, it’s perfect for bedrooms or offices where noise is a concern. With a remote and multiple fan speeds, it offers comfort without compromise.
Key Features That Stand Out
✓ Operates as low as 52dB in low mode—quieter than a normal conversation
✓ 2 cooling and 2 fan speeds for customizable comfort
✓ Full-function remote with digital controls
✓ Energy-efficient design with clean filter alerts
Why We Recommend It
If peace and quiet matter to you, this LG unit delivers whisper-quiet performance without sacrificing cooling power. It’s well-built, easy to use, and ideal for nighttime use.
Best For
Bedrooms, nurseries, or home offices where low noise levels are essential.
Pros and Cons
Pros:
- Exceptionally quiet operation
- Reliable brand with strong customer support
- Remote control included
- Compact and stylish design
Cons:
- Higher price point than basic models
- Not smart-enabled
Customer Reviews
Customer Review: “Just installed this air conditioner. So far, it’s working great. I had to get this model because it required the least window height clearance of any quality conditioner that I can find. My older home has storm windows with high base frames, which are a couple of inches higher than the interior w”
Customer Review: “ADDED PIX OF WHITE/BLUE FILTER PERFORMANCE. As you can clearly see, the filter did keep the white mesh factory filter and the evaporator coils SPOTLESSLY CLEAN.. The filter was changed after about 3 months..EDIT:ADDED ENERGY COSTS FROM TAPO UNITS.. REVISED ENERGY COST FOR JULY = $66.67 FOR HOME A”
5. Frigidaire 12,000 BTU Smart Window Air Conditioner with Wi-Fi, Cools Up to 550 Sq. Ft., Remote Control
The Frigidaire 12,000 BTU Smart Window Air Conditioner brings modern convenience to large-space cooling. With Wi-Fi connectivity, app control, and voice assistant compatibility, it’s perfect for tech-savvy users who want to manage their comfort from anywhere.
Key Features That Stand Out
✓ 12,000 BTU cooling power for rooms up to 550 sq ft
✓ Wi-Fi enabled with Frigidaire app, Alexa, and Google Assistant support
✓ 6-way directional airflow and 3 fan speeds
✓ Clean Filter alert and remote control included
Why We Recommend It
This is one of the most advanced window ACs on the market, offering smart features without sacrificing performance. It’s ideal for large apartments or open-concept spaces where remote control and automation are a must.
Best For
Large living rooms, master bedrooms, or open-floor apartments where smart home integration is desired.
Pros and Cons
Pros:
- Full smart home compatibility
- Powerful cooling for large areas
- Remote and app control for convenience
- Energy-saving modes and alerts
Cons:
- Higher price point
- Can be noisy on high settings
Customer Reviews
Customer Review: “We’re in Central Florida and our big air conditioner is wearing out so we were using two portables in the house to compensate but they weren’t cutting it. I ordered this one and decided to go with the 12,000 BTU and we stuck it in the window where the portable was venting. It’s been on about an hour “
Customer Review: “This AC is very good, the temperature control is good, and you can use the app to control the temperature from the phone, that was a plus with Wi-Fi connection, the size is perfect for winddowns and to cool my entire apartment. The downside is that is noise and loud, good price and works perfect.”
6. BLACK+DECKER 12000 BTU Window Air Conditioner with Remote, Cools 550 Sq Ft
The BLACK+DECKER 12000 BTU window air conditioner is built for serious cooling. With enough power to handle large rooms up to 550 square feet, it’s a great choice for master bedrooms, living areas, or open-concept spaces. The included remote and multiple settings make it user-friendly and efficient.
Key Features That Stand Out
✓ 12,000 BTU cooling capacity for large spaces
✓ Full-function remote with digital display
✓ Four operating modes: Auto, Low, Medium, High
✓ Sleep mode and 24-hour timer
Why We Recommend It
This unit delivers powerful, consistent cooling for big rooms without the need for central air. It’s reliable, easy to control, and offers great value for high-BTU performance.
Best For
Large bedrooms, living rooms, or apartments over 500 square feet.
Pros and Cons
Pros:
- Strong cooling performance
- Remote control included
- Multiple fan speeds and modes
- Affordable for its power level
Cons:
- No smart features
- Can be bulky and heavy to install
Customer Reviews
Customer Review: “Cools my entire downstairs area quickly. Installation was straightforward, and the remote works perfectly. Great for the price.”
Customer Review: “Heavy unit, so you’ll need help lifting it. But once installed, it runs smoothly and keeps the room icy cold even on 100-degree days.”
7. Memorex 6000 BTU Window Air Conditioner with Remote, Cools 250 Sq Ft
The Memorex 6000 BTU window air conditioner offers basic cooling functionality for small to medium rooms. With a remote, digital display, and 3-in-1 cooling/fan/dry modes, it provides essential comfort features at an entry-level price.
Key Features That Stand Out
✓ 6000 BTU cooling for rooms up to 250 sq ft
✓ Full-function remote with LED display
✓ Cool, Fan, and Dry modes for year-round use
✓ Compact design fits most standard windows
Why We Recommend It
While not the most powerful or durable option, this unit is a budget-friendly choice for temporary or supplemental cooling. It’s best suited for renters or those needing a secondary AC unit.
Best For
Small bedrooms, guest rooms, or as a backup cooling solution.
Pros and Cons
Pros:
- Affordable price
- Remote control included
- Lightweight and easy to install
Cons:
- Reports of inconsistent cooling and build quality
- Short lifespan compared to major brands
- Customer service responsiveness issues
Customer Reviews
Customer Review: “The corner of the front panel was popped off when I unboxed it and it runs sporadically now but it does not cool off the room that I’m in. The temp gauge in my room and the temperature that the AC are running at are usually 2 to 5° difference. I’ve tried twice to reach the seller and have gotten zero”
Customer Review: “The corner of the front panel was popped off when I unboxed it and it runs sporadically now but it does not cool off the room that I’m in. The temp gauge in my room and the temperature that the AC are running at are usually 2 to 5° difference. I’ve tried twice to reach the seller and have gotten zero”
Complete Buying Guide for Air Conditioners Window Units
Essential Factors We Consider
When choosing the right air conditioners window units, we evaluate several key factors: BTU rating (must match your room size), energy efficiency (look for ENERGY STAR certification), noise level (measured in decibels), ease of installation, and included features like remotes, timers, and smart controls. We also consider real-world performance, durability, and customer feedback to ensure our recommendations stand up to daily use.
Budget Planning
Window AC prices range from under $150 for basic 5000 BTU models to over $500 for high-end smart units. Set a budget based on your room size and needs: small rooms (150 sq ft) can get by with a $150–$200 unit, while large spaces (500+ sq ft) may require a $400+ investment. Don’t forget to factor in electricity costs—higher BTU units consume more power, so balance performance with efficiency.
Final Thoughts
The best window air conditioner is one that fits your space, budget, and lifestyle. Whether you prioritize quiet operation, smart features, or pure cooling power, there’s a model on this list that will keep you comfortable all summer long. Always measure your window opening and room size before buying, and consider energy usage to avoid surprise utility bills.
Frequently Asked Questions
Q: How do I calculate the right BTU for my room?
A: As a general rule, you need about 20 BTUs per square foot. For example, a 200 sq ft room needs around 4,000 BTUs. Use our sizing guide: 150 sq ft = 5,000 BTU, 250 sq ft = 6,000 BTU, 350 sq ft = 8,000 BTU, 550 sq ft = 12,000 BTU.
Q: Can I install a window AC unit myself?
A: Yes, most window air conditioners are designed for DIY installation. You’ll need basic tools, a helper for heavier units, and a window that opens vertically. Always follow the manufacturer’s instructions and ensure the unit is securely supported.
Q: Are window AC units energy efficient?
A: Many modern window units are ENERGY STAR certified and use less energy than older models. Look for units with high EER (Energy Efficiency Ratio) ratings and features like timers and sleep mode to reduce consumption.
Q: How often should I clean the filter?
A: Clean the washable filter every 2–4 weeks during peak usage. A dirty filter reduces airflow, lowers efficiency, and can cause the unit to overheat.
Q: Can I leave my window AC in during winter?
A: It’s not recommended. Cold air can leak through the unit, increasing heating costs. Use a cover (like the Mudder 2-Pack) or remove and store the unit indoors.
Ready to stay cool this summer? Our top-rated air conditioners window units offer the perfect blend of performance, convenience, and value. Whether you’re cooling a small bedroom or a large living area, we’ve got a recommendation that fits your needs. Click any “Check Price” button above to compare current deals and find your ideal window AC today!