10 Best Heat And Cool Window Units 2025 in the United States

The Midea MAW12HV1CWT EasyCool Smart Inverter Air Conditioner is a versatile window unit that offers both cooling and heating, making it suitable for year-round comfort in spaces up to 550 square feet. One of its standout features is its energy efficiency; with a cooling capacity of 12,000 BTU and an EER of 13.3, it's designed to save on electricity bills, and the inverter technology helps maintain consistent temperatures while using less power.

Users will appreciate the quiet operation, with noise levels as low as 45 dBA, which is especially beneficial for bedrooms or workspaces. The unit's SmartHome capabilities allow for convenient control via a mobile app or voice assistants like Alexa and Google Assistant, adding to its user-friendly appeal. The remote control and multiple modes—cool, heat, dry, fan, and auto—give you flexibility in how you manage your indoor climate.

However, there are a few drawbacks to consider. The heat pump function is ineffective in temperatures below 41°F, which may limit its usefulness in colder climates. Additionally, the installation requirements specify compatibility with double-hung windows, which may not suit all users. While it is energy star certified, some users might find the cooling power insufficient for extremely hot days, especially in larger spaces, so it's important to assess your room size and climate needs.

The LG 18,000 BTU Heat and Cool Window Air Conditioner with WiFi Controls is a versatile unit designed for medium to large rooms up to 1,000 sq. ft. It offers both heating and cooling functions, making it suitable for year-round use. One of its standout features is the LG ThinQ technology, which allows you to control the unit remotely via your phone or through voice commands with Amazon Alexa and Google Assistant. This adds a layer of convenience, allowing you to adjust settings from anywhere.

The unit has customizable cooling and heating options with 2 speeds for both, along with a 24-hour timer to create a personalized schedule. Additionally, the auto restart feature ensures your comfort isn't disrupted by power outages, as the unit will resume operation automatically. Installation should be straightforward with the included window installation kit, and its dimensions are relatively standard for window units, though its weight (126.5 pounds) might require some assistance to install.

In terms of energy efficiency, the unit has an EER of 11.1, which is decent but not the highest in its class, and it does not have an Energy Star rating. Noise levels are rated at 57 dB, which is moderate; it may not be the quietest unit but is by no means excessively loud. Additional features include a remote control, filter light reminder, and dehumidifying function. This air conditioner is ideal for someone looking for a reliable, year-round heating and cooling solution with modern smart features.

The LG 12,000 BTU Smart Window Air Conditioner is a solid choice for cooling large rooms up to 550 square feet, such as kitchens or living rooms. With a BTU rating of 12,000, it is powerful enough for substantial cooling tasks. The Energy Efficiency Ratio (EER) of 12 is decent, providing a balance between performance and energy consumption without being the top performer in energy savings. The unit operates at a noise level as low as 52 dB, which is relatively quiet, making it suitable for spaces where you don't want a lot of background noise.

It includes a thermostat control and offers multiple fan speeds and auto cool features, allowing for more customization of your cooling needs. One of its standout features is the smart connectivity options via LG ThinQ, Amazon Alexa, and Google Assistant, giving users the convenience of controlling the unit remotely and through voice commands. This can be particularly useful for tech-savvy users who appreciate smart home integration.

The installation and size are typical for window units, with standard dimensions and an included installation kit to simplify setup. However, it's important to note that it is somewhat heavy at 81 pounds, which might require assistance during installation. Additional features like the auto restart function, 24-hour timer, and filter light reminder add convenience and efficiency. Those looking for a reliable, smart-enabled window air conditioner with robust cooling power will find this unit to be a good fit, though those prioritizing maximum energy efficiency might need to consider other options.