10 Best Air Conditioners Air Conditioners 2025 in the United States

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 Daikin 18,000 BTU LV Series mini-split air conditioner is a solid choice if you're looking to cool or heat a medium-sized space up to about 1,000 square feet. It offers strong cooling power at 18,000 BTUs and even better heating capacity with 21,600 BTUs, which makes it a flexible option for year-round comfort. One of its standout features is its high energy efficiency, rated at 19.5 SEER2 and 12.7 EER2, meaning it can save you money on electricity compared to less efficient models. The unit runs quietly at around 37 decibels, so it won’t disturb daily activities or sleep. As a ductless mini-split, it’s ideal for homes or rooms where installing ducts is difficult or unwanted, such as sunrooms, basements, or garages. It also comes with a useful 15-foot installation kit and remote control, simplifying setup and daily use.

Advanced features like the Intelligent Eye sensor adjust airflow based on room occupancy, and the built-in air purifying filter improves indoor air quality. On the downside, this model requires a 230V electrical setup and isn’t Energy Star certified, which might be a consideration if you want the highest eco ratings. Also, the initial cost and installation may be higher than window units, but the efficiency and comfort benefits can justify this. This Daikin unit is excellent for those wanting efficient, quiet, and versatile heating and cooling without ductwork, making it especially suitable for renovation projects or additional living spaces.

The Goodman 3 Ton 14 Seer Package Air Conditioner GPC1436H41 offers a robust cooling capacity of 36,000 BTUs, making it suitable for larger spaces. Its Seasonal Energy Efficiency Ratio (SEER) of 14 ensures relatively good energy efficiency, which can help lower electricity bills. However, it is important to note that this model is discontinued by the manufacturer, which might make finding replacement parts or service more challenging in the future.

The unit operates on a corded electric power source and uses R 410A refrigerant, which is environmentally friendlier compared to older refrigerants. The unit's sizable dimensions and weight of 315 pounds might require professional installation. This model comes with a full parts warranty (provided installation by a licensed contractor), but labor and refrigerant costs are not covered.

If you prefer a unit with proven performance and don't mind the potential challenges of sourcing parts due to discontinuation, this model could be a strong contender for your cooling needs.