10 Best Cheap Mini Split Air Conditioner 2026 in the United States

The Albott Mini Split Air Conditioner and Heater is a strong choice for those looking for a budget-friendly, efficient cooling and heating solution for medium to large spaces up to 1,550 square feet. Its 24,000 BTU capacity means it can handle larger rooms or open-plan areas well. The SEER2 rating of 18 indicates good energy efficiency, which helps keep electricity bills lower compared to less efficient models. This unit runs quietly at just 29 decibels, making it suitable for bedrooms or offices where noise can be distracting.

It offers multiple comfort modes including cooling, heating, dehumidifying, and fan, with temperature control between 61°F and 90°F, making it versatile for year-round use. Installation is fairly straightforward for a mini split, but keep in mind it requires an outdoor unit and professional setup to ensure proper operation. Maintenance is user-friendly thanks to self-cleaning features and easily removable filters, helping to keep it running smoothly with minimal effort.

A limitation is that this model supports only a single zone, so if you want to cool or heat multiple rooms independently, you would need additional units. The product comes with a solid warranty—5 years on the compressor and 7 years on parts—providing peace of mind. Albott’s mini split is a reliable, quiet, and energy-efficient option for those needing a simple, single-zone AC and heating system with convenient remote and app controls.

The DELLA 24000 BTU Mini Split AC offers a good balance between power and efficiency, making it a solid option in the category of cheap mini-split air conditioners. With a cooling capacity of 24000 BTU, it effectively covers spaces up to 1500 square feet, accommodating medium to large rooms or open-plan areas. The 19 SEER2 rating is quite impressive for its price range, providing energy efficiency that can help reduce your electricity bills significantly.

One of its standout features is the quiet operation, with a noise level as low as 35 dB, which is ideal for maintaining a peaceful environment at home. Its smart functionalities, including compatibility with Alexa, WiFi control, and various operational modes like eco energy-saving, sleep, and turbo, enhance user convenience and comfort.

The system's design also supports versatile usage with options for both cooling and heating, which adds year-round utility. However, installation can be challenging. It is not a DIY project, requiring professional installation due to the need for line-set vacuuming and possible adjustments to freon levels. This adds to the initial cost, although the included installation kit may help reduce additional expenses.

For those needing an affordable and efficient air conditioning unit with smart features and quiet operation, and who are comfortable with professional installation, this DELLA model presents a compelling option. While the unit's efficient energy usage and quiet operation are appealing, its performance in extreme temperatures might be a limitation, as it operates down to 5 degrees Fahrenheit. Additionally, the requirement for professional setup might deter some users seeking a completely budget-friendly solution.

The MRCOOL 18,000 BTU ductless mini-split air conditioner is a solid choice for anyone looking to cool or heat a space up to around 800 square feet, such as a medium-sized room, office, or small commercial area. Its 18,000 BTU capacity provides powerful temperature control, making it suitable for all-season comfort. With a SEER rating of 14.5, it is energy-efficient enough to keep electricity bills reasonable, although it is not the highest efficiency rating available. It operates quietly at 43 decibels, which is about the sound level of a quiet conversation, so it won't be a distraction in most settings. This model supports a single zone, meaning it is designed to control the temperature in one room or area at a time.

One of its standout features is the easy DIY installation, which can save you money on professional setup and reduces installation mess. Its inverter technology helps with energy savings and maintaining consistent temperatures. The unit also includes both heating and cooling functions, making it versatile year-round. However, the product is rated 2 stars by the BEE (Bureau of Energy Efficiency), which is on the lower side, so while it is cost-effective upfront, there might be more efficient options for long-term savings. Maintenance should be straightforward due to its design, but like most mini-splits, it requires regular filter cleaning to keep performance optimal.

The sleek white finish blends well with most interiors. In summary, this MRCOOL mini-split air conditioner is a budget-friendly, reliable option for moderate-sized spaces, offering good performance and easy installation, though it may not be the best fit if you seek the highest energy efficiency or multi-zone control.