10 Best Air Conditioners Air Conditioners 2025 in the United States

The BLACK+DECKER Smart Portable Air Conditioner with Heat is a versatile unit designed for rooms up to 700 sq. ft. Its cooling capacity is notable at 14,000 BTU ASHRAE (10,000 BTU DOE), making it suitable for large spaces. Additionally, it offers 12,000 BTU heating, which is great for year-round use. The unit stands out with its four-in-one functionality: air conditioning, heating, dehumidifying, and fan modes.

The Energy Efficiency Ratio (EER) is relatively low at 6.2, suggesting that it may not be the most energy-efficient option available. This could lead to higher electricity bills over time, particularly with regular use. Noise levels are at a moderate 54 dB, which is comparable to a quiet conversation; this should be manageable for most users, but noise-sensitive individuals may want to take note. The portability of this unit is a significant advantage, allowing users to move it easily between rooms.

The smart features, including Wi-Fi connectivity and compatibility with Amazon Alexa and Google Assistant, offer convenient control options. The 'Follow Me' remote control enhances user experience by allowing precise temperature settings. An included installation kit simplifies the setup process, making it user-friendly. Weighing 35 pounds, it is reasonably easy to handle but might require some effort to move frequently. This BLACK+DECKER model is best suited for those looking for a multi-functional, portable air conditioning solution with smart features and who are less concerned about energy efficiency.

The Daikin 24,000 BTU Dual Zone Mini Split Air Conditioner is a strong choice if you need efficient cooling and heating across two separate rooms or zones. It offers a solid cooling capacity of about 23,000 BTU with a high energy efficiency rating (SEER 21), meaning it uses power smartly to keep energy bills down. The system uses the eco-friendly R-32 refrigerant and provides reliable heating even in cold conditions, giving you all-season comfort. Noise-wise, it’s impressively quiet at just 24 dB, so it won’t disturb your peace at home. Being a ductless mini split, it’s ideal for spaces where installing traditional ductwork is difficult, such as sunrooms or basements.

The unit includes two indoor fan coils with independent controls, allowing personalized temperature settings for each zone, which is great for families or multi-room setups. Additional features include Wi-Fi control through an app, voice command support with Alexa and Google, and air cleaning with a Titanium filter, enhancing convenience and air quality. On the downside, while the system is energy efficient, it is not Energy Star certified, which some users look for as a sign of top-tier efficiency. Also, installation requires professional setup and comes with included kits, so it’s not a simple DIY project.

The price point might be higher than window units or single-zone systems, reflecting its advanced features and multi-zone capabilities. If you want a quiet, energy-efficient solution that offers flexible control and heating/cooling throughout multiple areas, this Daikin mini split is an excellent choice.

The LG 23,000 BTU Smart Window Air Conditioner is designed for medium to large rooms up to about 1,400 square feet, making it suitable for living rooms or open-plan spaces. Its strong cooling capacity means it can efficiently cool bigger areas, which is a big plus if you want quick and effective comfort. The unit includes a supplemental heating function, which is handy for cooler days, so you get year-round use instead of just summer cooling.

It supports smart control via LG ThinQ, allowing you to adjust settings remotely through your smartphone or voice assistants like Alexa and Google, adding convenience if you like modern tech features. With two fan speeds for both heating and cooling, you can customize how the air circulates to match your comfort needs. The noise level sits at 62 decibels, which is moderately loud—noticeable but not overly disruptive for most daily activities. On energy efficiency, its Seasonal Energy Efficiency Ratio (SEER) is 9.8, which is average for window units; it balances performance and efficiency fairly well. It also has a dehumidifier function, which helps reduce indoor moisture, improving comfort during humid days.

The unit is a bit on the heavier side at 141 pounds, so installation might require some help. If you are looking for a powerful, feature-rich air conditioner that also heats and offers smart connectivity, this model is a strong choice, especially for larger rooms. However, if ultra-quiet operation or top-tier energy savings are your priorities, you might want to consider other options.