Choosing the right 19 inch window air conditioner can significantly enhance your indoor comfort during hot months. These units vary in cooling capacity, noise levels, energy efficiency, and smart features designed to cater to different room sizes and user preferences. Below is a summary table highlighting key aspects of 5 top-rated 19 inch air conditioners available on Amazon, making your decision easier.
| Model | Cooling Capacity (BTU) | Room Size Coverage | Special Features | Brand |
|---|---|---|---|---|
| LG Dual Inverter Smart AC | 18,000 | Up to 1,000 sq. ft. | Smartphone control, Ultra quiet, Energy Star | LG |
| GE 5,000 BTU Window AC | 5,000 | Up to 150 sq. ft. | Manual controls, Low-noise operation, Easy install kit | GE |
| Whirlpool 15,000 BTU Window AC | 15,000 | Up to 700 sq. ft. | Dehumidifier, Remote control, Timer | Whirlpool |
| Midea 5,000 BTU EasyCool AC | 5,000 | Up to 150 sq. ft. | Energy efficient, Quiet, Mechanical controls | Midea |
| GE AWCS12WWA Smart AC | 12,000 | Up to 550 sq. ft. | Wi-Fi enabled, App control, Energy efficient | GE |
Content Navigation
- LG 18,000 BTU Dual Inverter Smart Window Air Conditioner
- GE 5,000 BTU Mechanical Window Air Conditioner Unit
- Whirlpool WHAW151CW 15,000 BTU Window Air Conditioner
- Midea 5,000 BTU EasyCool Small Window Air Conditioner
- GE AWCS12WWA Wi-Fi Enabled 12,000 BTU Window Air Conditioner
- Buying Guide for 19 Inch Window Air Conditioners
LG 18,000 BTU Dual Inverter Smart Window Air Conditioner

The LG Dual Inverter Smart Window Air Conditioner offers powerful cooling with its 18,000 BTU capacity, suitable for spaces up to 1,000 square feet such as bedrooms, living rooms, or apartments. The unit features smartphone control through the LG ThinQ app, allowing remote operation via Amazon Alexa or Google Assistant.
This air conditioner operates at an ultra-quiet noise level as low as 52dB in low mode, creating a distraction-free environment perfect for sleeping or working. It is also Energy Star certified, which means it uses efficient technology to reduce electricity consumption while keeping your space cool and comfortable.
GE 5,000 BTU Mechanical Window Air Conditioner Unit

This GE window air conditioner is designed for smaller spaces up to 150 square feet. Equipped with a 5,000 BTU cooling capacity, it is perfect for bedrooms, studios, or small offices. The unit has manual adjustable fan and cooling settings and an easy install kit for quick setup.
Its low-noise operation ensures minimal disruption, making it suitable for nighttime use. The straightforward mechanical controls make it a reliable and simple choice without additional smart features.
Whirlpool WHAW151CW 15,000 BTU Window Air Conditioner

The Whirlpool WHAW151CW is a versatile window AC unit with 15,000 BTU capacity suitable for cooling rooms up to 700 square feet. It also functions as a dehumidifier, removing 3.5 pints of moisture per hour to enhance indoor comfort.
This unit features an electronic control panel with digital display, offering three cooling speeds, eco and sleep modes, and a programmable 24-hour timer. Included remote control and 8-way directional louvers provide convenient and customizable airflow. Installation is straightforward with a quick-mount window kit requiring a minimum window height of 19 inches.
Midea 5,000 BTU EasyCool Small Window Air Conditioner

The Midea EasyCool 5,000 BTU is designed for smaller spaces up to 150 square feet, making it a budget-friendly solution for bedrooms or home offices. It offers seven temperature settings, two cooling and two fan-only speeds, with 2-way air direction to customize airflow.
This unit is energy efficient with a CEER rating of 11.0, reducing energy costs throughout the year. It operates quieter than a household refrigerator and includes easy-to-use mechanical controls and a reusable air filter for convenient maintenance.
GE AWCS12WWA Wi-Fi Enabled 12,000 BTU Window Air Conditioner

The GE AWCS12WWA provides a powerful 12,000 BTU cooling capacity for medium-large rooms up to 550 square feet. This unit is smart and energy efficient, featuring Wi-Fi connectivity and control through the SmartHQ app, alongside compatibility with Amazon Alexa and Google Assistant.
The easy install kit makes setup fast, and the remote control offers additional convenience. This model balances strong cooling power with smart features and energy-conscious technology.
Buying Guide for 19 Inch Window Air Conditioners
When selecting a 19 inch window air conditioner, consider these key factors to ensure you choose the best unit for your space and preferences.
Cooling Capacity (BTU)
Match the BTU rating to your room size for effective cooling. Smaller rooms (up to 150 sq ft) require 5,000 BTU, medium rooms (up to 550 sq ft) benefit from 10,000-12,000 BTU, and larger rooms (700 sq ft and above) may need 15,000-18,000 BTU units.
Energy Efficiency
Look for Energy Star certified units or models with high CEER ratings to save on electricity bills. Inverter technology can also improve efficiency by adjusting compressor speed rather than cycling on and off.
Noise Level
Check the noise ratings measured in decibels (dB). Units operating at 50-55 dB or lower are considered quiet and suitable for bedrooms or offices.
Control Features
Consider units with smart controls (Wi-Fi, app, voice assistant compatibility) for remote operation and scheduling convenience. Simpler models offer manual or electronic controls and remote controls for basic ease of use.
Installation and Size
Ensure the air conditioner fits standard 19 inch window dimensions and check installation kits and requirements. Some models require minimum window heights or professional installation for best results.
Additional Functions
Some units include dehumidifying capabilities or multi-speed fans, which add comfort options. Directional louvers and programmable timers further enhance user customization.