Casement window air conditioners offer an ideal cooling solution when traditional AC installations are impractical. These compact and cost-effective units attach directly to sliding windows, delivering swift and efficient cooling. Here are the top three factors for selecting the best casement window air conditioner.
- Cooling Capacity: Consider room size when choosing a casement AC: 5,000 BTU for up to 150 sq. ft., 12,000 BTU for 550 sq. ft.
- Noise Level: Prioritize quiet operation, especially for bedrooms. Look for units with decibel ratings in the low 50s.
- Compatibility: Ensure a secure fit by checking the unit’s window width range (minimum & maximum) against your window size. Look for adjustable side panels for added flexibility.
In this article, we have compiled a list of the best casement air conditioners. For detailed information, check out our “Buying Guide”.
Best Casement Window Air Conditioner Table
| Best Casement Window Air Conditioner | BTU | Coverage Area | Buy Now |
|---|---|---|---|
| FRIGIDAIRE Window Air Conditioner | 10000 | Up to 450 sq. ft. | Check On Amazon |
| PerfectAire Window Air Conditioner | 10000 | Up to 450 sq. ft. | Check On Amazon |
| Keystone Window Air Conditioner | 8000 | Up to 350 sq. ft. | Check On Amazon |
| Midea Window Air Conditioner | 10000 | Up to 350 sq. ft. | Check On Amazon |
Best Casement Window Air Conditioner Reviews
1. FRIGIDAIRE Window Air Conditioner
Who Is It For: Ideal for residents in hot climates who need powerful and reliable cooling.
Our first highlight is the FRIGIDAIRE air conditioning unit, featuring a window-specific design that excels in casement and sliding windows. This innovative approach distinguishes it from traditional window AC units.
A key feature is its full-function remote control, allowing users to adjust settings from anywhere in the room. This adds great convenience. The unit also offers three fan speeds and multi-directional airflow for even cooling throughout the room.
With a 10,000 BTU capacity, it can cool rooms up to 450 square feet. Installation is straightforward, and it includes an easy-to-maintain washable filter, keeping the air clean and the unit efficient. This air conditioner also boasts good energy efficiency with a SEER rating of 10.4.
Specifications:
- Cooling Power: 10,000 BTU
- Suitable Room Size: Up to 450 sq ft
- Fan Speeds: 3
- Noise Level: 56 dB
- Energy Efficiency: SEER 10.4
- Air Direction Control: 4-way
- Special Feature: Remote control
- Voltage: 115 Volts
- Refrigerant Type: R 410A
- Dimensions: 5″D x 23.5″W x 20.25″H
Pros:
- Effective cooling for large spaces.
- Durable and reliable over many years.
- Remote control for convenience.
- Easy to maintain with a washable filter.
- Energy-efficient operation.
Cons:
- Noisy operation was reported by some users.
2. PerfectAire Window Air Conditioner
Who Is It For: Great for homeowners seeking a dependable unit that balances cooling efficacy with energy conservation.
With its 10,000 BTU capacity, the Window Air Conditioner from PerfectAire is great for cooling spaces up to 450 square feet. It operates quietly at 61 dB, making it ideal for noise-sensitive environments.
This model offers multiple modes such as auto, sleep, dry, and energy saver, providing versatile climate control. A remote control adds convenience, allowing adjustments from anywhere in the room.
User-friendly electronic controls and an included window mounting kit make installation and operation easy. It has a commendable Energy Efficiency Ratio (EER) of 9.5, ensuring good energy efficiency despite its powerful features.
Specifications:
- Cooling Power: 10,000 BTU
- Suitable Room Size: Up to 450 sq ft
- Noise Level: 61 dB
- Energy Efficiency Ratio (EER): 5
- Fan Speeds: Multiple settings
- Special Feature: Remote control, various modes
- Voltage: 115 Volts
- Refrigerant Type: R 410A
- Dimensions:75″D x 23.5″W x 21″H
Pros:
- Multiple modes for customized cooling.
- Quiet operation compared to similar models.
- Includes a comprehensive window mounting kit.
- Energy efficient with an EER of 9.5.
- User-friendly electronic controls with remote access.
Cons:
- Only suitable for horizontal sliders or casement windows.
3. Keystone Window Air Conditioner
Who Is It For: Ideal for smaller spaces up to 350 square feet, perfect for those needing quick, efficient cooling and humidity control.
Perfect for sliding and casement windows, the Keystone Window Air Conditioner excels with its built-in dehumidifier, removing up to 0.9 liters of moisture per hour. This ensures your room stays dry and comfortable.
With 8,000 BTUs of cooling power, it’s suitable for rooms up to 350 square feet, providing efficient and quick cooling. The unit offers three cooling modes and fan speeds, allowing for customizable comfort. The 4-way adjustable air louvers direct cool air exactly where you need it.
Energy efficiency is another key benefit. The ‘Energy Saver’ mode and a programmable timer help reduce electricity use, especially during hot summer months. This helps keep energy bills in check. The removable chassis makes installation and maintenance easy, a rare convenience for window air conditioners that often require permanent setups.
Specifications:
- Cooling Power: 8,000 BTU
- Suitable Room Size: Up to 350 sq ft
- Dehumidification: 9 liters/hour
- Energy Star Rating: 1 Star
- Noise Level: 57 dB
- Fan Speeds: 3
- Special Feature: Dehumidifier, Fast Cooling, Remote
- Voltage: 115 Volts
- Refrigerant Type: Standard
- Dimensions: 5″D x 14.57″W x 20.87″H
Pros:
- Effective dehumidification feature for additional comfort.
- Energy-saving options including a programmable timer.
- Easy installation with a removable chassis.
- Quiet operation at 57 dB.
- Compact and fits well in smaller spaces.
Cons:
- Energy Star rating of only 1 star could be better.
4. Midea Window Air Conditioner
Who Is It For: Ideal for individuals looking for a reliable air conditioner that provides fast cooling in medium-sized spaces with straightforward installation.
The Midea Window Air Conditioner features a unique 24-hour on/off timer. This allows you to schedule cooling times, saving energy and ensuring comfort when needed most.
With 10,000 BTUs of power, it cools rooms up to 350 square feet. Its side casement design makes it perfect for specific window types where traditional models don’t fit. The remote control adds convenience, letting you adjust settings from across the room.
The sleep mode maintains a comfortable temperature throughout the night with minimal noise and energy use, perfect for uninterrupted sleep. The compact yet powerful design cools large areas quickly, maintaining a consistent temperature with minimal fluctuations.
Specifications:
- Cooling Power: 10,000 BTU
- Suitable Room Size: Up to 350 sq ft
- Special Feature: Remote control, Sleep Mode
- Energy Efficiency: Features energy-saving modes
- Noise Level: Low
- Timer: 24-hour on/off timer
- Voltage: 120 Volts
- Refrigerant Type: R 410A
- Form Factor: Slide Casement
Pros:
- Compact design suitable for various window types.
- Remote control enhances user convenience.
- Energy-saving features like the sleep mode and timer.
- Effective cooling capacity for its size.
- Straightforward installation process.
Cons:
- Some units may require frequent maintenance.
Factors To Consider While Buying The Best Casement Window Air Conditioner
When shopping for the best casement window air conditioner, several crucial factors need to be considered to ensure you find a unit that suits your space, budget, and comfort needs. Here’s a detailed guide to help you make an informed decision:
1. Cooling Capacity
The cornerstone of any air conditioner is its ability to cool a space effectively. This prowess is measured in British Thermal Units (BTUs). Selecting the correct BTU rating for your room size is vital. Here’s a breakdown:
- Small Rooms (Up To 250 sq. ft.): Look for units between 5,000 and 8,000 BTUs.
- Medium Rooms (250 sq. ft. – 450 sq. ft.): Aim for units in the 8,000 to 12,000 BTU range.
- Large Rooms (450 sq. ft. and 550 sq. ft.): Consider units exceeding 12,000 BTUs.
2. Fit And Compatibility
Casement air conditioners are designed to fit into casement or sliding window styles, which do not accommodate standard window AC units. It’s essential to measure your window dimensions accurately before purchasing. Most casement AC units are designed for windows about 15.5 to 16.5 inches wide and at least 20.5 to 40 inches high. Ensure that the AC unit you choose can be securely and safely installed in your window type.
3. Energy Efficiency
Energy efficiency is denoted by the Energy Efficiency Ratio (EER) and the Seasonal Energy Efficiency Ratio (SEER). Higher EER and SEER ratings indicate a more efficient air conditioner, leading to lower electricity bills. Look for a unit with an EER of 10 or higher. Some models also come with an Energy Star rating, guaranteeing they meet certain energy efficiency criteria set by the U.S. Environmental Protection Agency.
4. Noise Level
Noise is a significant consideration, especially in bedrooms or quiet spaces. Noise levels for casement window air conditioners are typically measured in decibels (dB). Units generally range from about 45 to 60 dB. For context, 50 dB is comparable to the noise level of a quiet conversation. Opt for a model that operates around or below 50 dB for minimal disturbance.
5. Installation
Installation of a casement window air conditioner can be more challenging than standard window units. It often requires additional support such as brackets, side panels, and sometimes a frame modification to ensure a secure fit. Some models come with installation kits specifically designed for casement windows. Check if the unit includes these accessories, or if you need to purchase them separately.
6. Additional Features
Modern air conditioners come with a variety of additional features that enhance convenience and functionality:
- Remote Control: Allows you to adjust settings from anywhere in the room.
- Programmable Timers: Enable the AC to turn on or off at specific times.
- Adjustable Airflow Direction: Helps distribute the air evenly across the room.
- Dehumidifier Function: Reduces humidity in the air, enhancing comfort.
- Smart Connectivity: Some newer models can connect to Wi-Fi, allowing control via smartphone apps.
FAQs:
No, casement window air conditioners are specifically designed for casement windows due to their unique design and installation requirements.
While professional installation is not always necessary, it may be recommended for larger units or if you’re unsure about the installation process.
Many models come with remote control functionality, allowing you to adjust settings from anywhere in the room for added convenience.
Yes, many models feature programmable timers that allow you to schedule the unit to turn on or off at specific times.
It’s not recommended to use an extension cord with a casement window air conditioner, as it can lead to overheating and fire hazards.
Conclusion
Overall, these casement window air conditioners prove to be effective for different settings and preferences. From energy-efficient models to those with high cooling capacity, choose the one that matches your requirements for an easier and cooler summer.
Recommendation:
Given the diverse needs and preferences discussed, I recommend the FRIGIDAIRE Window Air Conditioner for those looking for durability and high cooling efficiency. It’s particularly suitable for larger rooms and comes with robust features that deliver a significant cooling impact, making it a top choice for hot climates.
