Wall mounted air conditioners are a smart, space-saving solution for cooling individual rooms without the hassle of window units or the expense of central HVAC systems. These sleek, permanent installations offer powerful performance, energy efficiency, and modern design—perfect for bedrooms, offices, or living areas. Whether you’re upgrading an older unit or installing your first wall-mounted AC, choosing the right model can make all the difference in comfort, noise levels, and long-term savings.
Quick Product Comparison
Our Top 5 Wall Mounted Air Conditioner Reviews – Expert Tested & Recommended
1. Black+Decker 18000 BTU Through the Wall Air Conditioner with Remote and 3 Cooling Speeds
The Black+Decker 18000 BTU wall mounted air conditioner is a powerhouse designed for larger spaces, delivering reliable cooling for rooms up to 1,000 square feet. With multiple fan speeds, a full-function remote, and energy-efficient operation, this unit strikes a great balance between performance and convenience.
Key Features That Stand Out
✓ 18,000 BTU cooling capacity ideal for large rooms and open floor plans
✓ Three cooling speeds plus auto, low, and high fan settings
✓ Full-function remote with sleep mode and digital display
✓ Energy-efficient design with easy installation for through-the-wall setups
Why We Recommend It
This unit stands out for its robust cooling power and user-friendly controls. It cools large spaces quickly and maintains consistent temperatures without constant adjustments. The remote adds convenience, especially for bedrooms or hard-to-reach installations.
Best For
Homeowners with large living areas, garages, or multi-purpose rooms needing strong, dependable cooling without central AC.
Pros and Cons
Pros:
- Powerful 18,000 BTU output cools large spaces efficiently
- Remote control with intuitive interface and sleep mode
- Multiple fan speeds offer flexibility for comfort and energy savings
- Durable build quality with reliable long-term performance
Cons:
- Some units may arrive with minor cosmetic dents from shipping
- Requires professional installation for optimal wall mounting
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 it 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 thus…”
2. LG 14000 BTU Through the Wall Air Conditioner for Rooms up to 700 Sq Ft with Remote
The LG 14000 BTU wall mounted air conditioner combines brand reliability with smart features like Auto Restart and 4-way air deflection. Perfect for medium to large rooms, it offers precise temperature control and quiet operation, making it a favorite among apartment dwellers and homeowners alike.
Key Features That Stand Out
✓ 14,000 BTU cooling capacity for rooms up to 700 sq ft
✓ Auto Restart function resumes operation after power outages
✓ 4-way air deflection ensures even cooling throughout the room
✓ Digital control panel and full-function remote included
Why We Recommend It
LG’s reputation for durability and innovation shines in this model. The Auto Restart feature is a lifesaver during summer storms, and the 4-way airflow eliminates hot spots. It’s a dependable, no-fuss wall mounted air conditioner that just works.
Best For
Apartments, bedrooms, and living rooms where consistent cooling and smart features matter most.
Pros and Cons
Pros:
- Auto Restart ensures uninterrupted cooling after power loss
- 4-way air deflection for even temperature distribution
- Quiet operation suitable for bedrooms and offices
- Trusted LG reliability and energy efficiency
Cons:
- May overheat in extreme humidity if not properly sized
- Return window may close before issues are discovered in seasonal use
Customer Reviews
Customer Review: “Very happy with this purchase. Placed it in the apartment above our garage in the existing opening after removing the old unit. It worked for fit and the cord is more than long enough to reach the plug. The fellows who did the install did a really nice job. Keeps the room very cool and comfortable a”
Customer Review: “I had the same experience as Matt Punk. Sadly, I bought the unit over Memorial Day and didn’t use it for weeks because it wasn’t warm enough so I didn’t notice the design flaw until it got into the 90’s with high humidity. Now my return window has expired. It overheats and shuts down with the err”
3. Electric Wall Heater with LED Display, Adjustable Thermostat, and Quiet Fan-less Design
While not a traditional air conditioner, this electric wall heater doubles as a cooling fan and offers incredible value. With an LED display, remote control, and fan-less quiet operation, it’s a versatile climate solution for year-round comfort at a fraction of the cost.
Key Features That Stand Out
✓ Dual-mode operation: warm air and cool air settings
✓ 45-level adjustable thermostat for precise temperature control
✓ Fan-less design ensures whisper-quiet performance
✓ LED display and remote control for easy adjustments
Why We Recommend It
This budget-friendly unit proves you don’t need to spend big for smart climate control. It heats and cools effectively, operates silently, and mounts easily on any wall—ideal for small spaces or supplemental use.
Best For
Small rooms, offices, or seasonal use where a full AC isn’t needed but climate control is still important.
Pros and Cons
Pros:
- Affordable price point with dual heating and cooling functions
- Ultra-quiet fan-less operation—perfect for bedrooms
- Easy wall mounting with included tools
- Remote and LED display enhance usability
Cons:
- Not a true air conditioner—lacks refrigerant cooling
- Power cord could be longer for flexible placement
Customer Reviews
Customer Review: “This heater was very well worth the cost. It heated the room up quickly. I can run it on 64° and it does a great job. It was easy to install. I wish it came with an installation guide but we were able to do without. The cord could be a bit longer.”
Customer Review: “This heater was very well worth the cost. It heated the room up quickly. I can run it on 64° and it does a great job. It was easy to install. I wish it came with an installation guide but we were able to do without. The cord could be a bit longer.”
4. Smart AC Vent Fan with 10 Speeds, Remote, and Thermostat Control for Heating and Cooling
This smart vent fan enhances your existing HVAC system by boosting airflow to under-conditioned rooms. With 10 speed settings, a precision thermostat, and remote control, it helps balance temperatures throughout your home—making it a clever add-on rather than a standalone wall mounted air conditioner.
Key Features That Stand Out
✓ 10-speed fan control for optimal airflow and noise balance
✓ Built-in thermostat syncs with room temperature automatically
✓ Remote control allows adjustments from across the room
✓ Improves HVAC efficiency by eliminating hot and cold spots
Why We Recommend It
If you already have central air but struggle with uneven cooling, this device is a game-changer. It’s not a replacement for a full AC unit, but it maximizes comfort and efficiency in multi-level homes.
Best For
Homes with central HVAC systems where some rooms stay warmer than others—especially upper floors or sun-exposed spaces.
Pros and Cons
Pros:
- Helps balance temperatures between floors or rooms
- Easy installation—no ductwork or major modifications needed
- Energy-efficient way to improve comfort without upgrading AC
- Quiet operation with precise speed control
Cons:
- Does not cool on its own—requires existing HVAC system
- May not be sufficient in extreme heat without supplemental cooling
Customer Reviews
Customer Review: “I was a bit skeptical of this item at first, had a different product years ago that didn’t seem to help. But the second story in our home tends to run 3-5 degrees warmer in the summer than the main floor where the thermostat is located and took the chance that this may help. Installation was quite e”
Customer Review: “It works great and helped boost airflow in a room that gets the sun at its hottest point. It definitely kept the room cooler overall.”
5. Vornado Transom Window Fan with 4 Speeds, Remote, and Reversible Exhaust Mode
The Vornado Transom Window Fan is a versatile, low-profile solution for improving airflow and ventilation. While not a wall mounted air conditioner, it fits snugly above windows and offers both intake and exhaust modes, making it ideal for stuffy rooms or as a supplement to existing cooling.
Key Features That Stand Out
✓ Electronically reversible fan: switch between intake and exhaust with one button
✓ Fits windows 26”–40” wide with soft-fit foam block system
✓ 4-speed settings with remote control for convenience
✓ Alexa-compatible for voice control and smart home integration
Why We Recommend It
This fan excels at improving air circulation and reducing stuffiness. It’s quiet, easy to install, and works well in home offices or bedrooms where fresh air makes a big difference.
Best For
Small rooms, offices, or spaces with poor ventilation that need airflow improvement without full AC installation.
Pros and Cons
Pros:
- Reversible mode pulls in fresh air or expels stale air
- Alexa integration allows hands-free control
- Compact design fits most standard windows
- Quiet operation even on higher speeds
Cons:
- Not a cooling unit—does not lower temperature
- Requires window access and may block light
Customer Reviews
Customer Review: “This is such a great fan! It’s quiet, it blocks light (so my little barking dog can’t see out), and it works wonderfully whether on Direct (air coming in) or Exhaust. It integrates easily with Alexa, and I love that I can adjust it even when I’m not home. Installation was a breeze—it fits perfectly”
Customer Review: “I bought this for a small home office that gets stuffy with almost no ventilation, and this fan made a noticeable difference right away. The airflow is strong, and I love that it has both intake and exhaust modes. I can pull in fresh air when I need it, or switch to exhaust when the outside noise ge”
Complete Buying Guide for Wall Mounted Air Conditioners
Essential Factors We Consider
When evaluating wall mounted air conditioners, we focus on BTU capacity, energy efficiency, noise levels, ease of installation, and smart features. The right BTU rating depends on room size—too small and it struggles; too large and it cycles inefficiently. Look for units with adjustable thermostats, remote controls, and sleep modes for maximum comfort. Also consider whether you need heating functionality or just cooling.
Budget Planning
Wall mounted air conditioners range from under $200 for basic models to over $800 for high-end units with inverter technology and smart controls. Factor in installation costs if you’re not DIY-savvy—professional setup can add $150–$300. For long-term savings, prioritize Energy Star-rated models that reduce electricity bills over time.
Final Thoughts
Choosing the right wall mounted air conditioner means balancing power, price, and practicality. Whether you need a heavy-duty unit for a large space or a quiet, compact option for a bedroom, our top picks offer reliable performance and real value. Always measure your space, check electrical requirements, and read recent customer reviews before buying.
Frequently Asked Questions
Q: How do I determine the right BTU size for my room?
A: As a general rule, multiply your room’s square footage by 20 to estimate needed BTUs. For example, a 300 sq ft room needs about 6,000 BTUs. Add 10% for sunny rooms or high ceilings, and subtract 10% for shaded areas.
Q: Can I install a wall mounted air conditioner myself?
A: While some handy homeowners can manage basic installation, most units require precise wall cutting, electrical connections, and sealing. We recommend professional installation to ensure safety, efficiency, and warranty compliance.
Q: Are wall mounted air conditioners energy efficient?
A: Yes—especially modern models with inverter compressors and programmable thermostats. Look for units with high EER (Energy Efficiency Ratio) ratings or Energy Star certification to maximize savings.
Q: Do these units also provide heat?
A: Some wall mounted air conditioners come with heat pump functionality, offering both cooling and heating. Check product specs to see if “heat pump” or “reverse cycle” is included.
Q: How often should I clean or maintain my wall mounted AC?
A: Clean or replace filters every 1–2 months during peak use. Wipe down the exterior and check the condensate drain annually. Professional servicing every 2–3 years helps maintain performance.
Ready to beat the heat with a reliable, efficient cooling solution? Our top-rated wall mounted air conditioners deliver comfort, convenience, and long-term value. Click any “Check Price” button above to compare deals and find the perfect fit for your home today!