10 Best Smart Window Ac 2025 in the United States

The LG 18,000 BTU Heat and Cool Window Air Conditioner is designed for medium to large rooms up to 1,000 square feet, offering strong cooling and heating capabilities thanks to its supplemental heat feature. This means it can keep you comfortable year-round, not just in hot weather. It has a decent energy efficiency rating (SEER 11.1), which helps manage electricity use but isn’t the highest in its class.

A big plus is its smart features: with LG ThinQ technology, you can control the unit remotely from your phone or use voice commands through Amazon Alexa or Google Assistant, making adjustments easy even when you’re not home. The noise level is around 57 dB, which is noticeable but typical for a unit of this size; it might be a bit loud for very quiet spaces. Installation requires a window space that fits the unit’s size (roughly 30.5 x 25.5 x 16.8 inches) and it comes with a window installation kit to help.

It also includes a filter light reminder to help maintain air quality, though it doesn’t have advanced air purification features. The unit restarts automatically after power outages, which is handy for maintaining comfort without manual resets. This makes it a versatile and user-friendly option for anyone needing both heating and cooling in larger rooms with the convenience of smart controls, though the noise and energy efficiency might be considerations depending on your priorities.

The Midea MAW12HV1CWT EasyCool Smart Inverter Air Conditioner is a versatile option for those needing both cooling and heating in a single unit. With a 12,000 BTU cooling capacity, this unit is suitable for rooms up to 550 square feet, making it ideal for larger spaces. The energy efficiency of this unit is notable, with a SEER of 13.3 and an Energy Star certification, which can help save up to 35% in energy costs compared to standard units.

Additionally, it has a range of smart features, including WiFi connectivity, compatibility with Alexa and Google Assistant, and remote control via the SmartHome App, making it very convenient to use from anywhere. The unit also operates quietly, with noise levels as low as 45 dBA, ensuring minimal disturbance. Installation is straightforward, fitting double-hung windows with specific dimensions, and it includes an installation kit for ease.

One drawback is that the heat pump function will not operate if the outside temperature is below 41°F, which may limit its use in colder climates. Another point to consider is its weight at 58 pounds, which might require additional help during installation. This Midea unit offers a good blend of performance, energy efficiency, and smart capabilities, making it a strong contender for those looking for an all-in-one heating and cooling solution.

The LG 23,000 BTU Smart Window Air Conditioner is a strong choice for cooling medium to large rooms up to around 1,440 square feet, thanks to its high cooling capacity. It also offers heating, making it useful year-round. With a Seasonal Energy Efficiency Ratio (SEER) of 9.8, it provides decent energy efficiency, but not top-tier, so expect moderate electricity use during heavy cooling or heating. The unit includes useful smart features: you can control it remotely through LG ThinQ, and it supports voice commands via Alexa or Google Assistant, which adds convenience for daily operation.

Noise level is at 62 decibels, which is on the louder side compared to some other window ACs, so it might be noticeable in quiet rooms or late at night. Installation requires a large window cutout considering its size (about 30.5 x 25.5 x 16.8 inches) and weight (141 pounds), so it's best suited for sturdy, well-sized windows and possibly professional installation. The AC also includes a dehumidifier function with a 7.5-pint capacity, which helps improve air quality by reducing moisture. Additionally, features like multiple fan speeds and auto-restart after power outages add to user comfort and reliability.

The one-year limited warranty is fairly standard and might not cover long-term issues. This LG model is a solid pick if you need powerful cooling with smart controls for a sizable room and don’t mind a bit of noise or the larger installation size.