9 Best Air Conditioner Heater Combos 2025 in the United States

The Midea MAW12HV1CWT EasyCool Smart Inverter Air Conditioner Window Unit with Heat offers a versatile solution for both cooling and supplemental heating, boasting a powerful 12,000 BTU capacity. It's suitable for large rooms up to 550 square feet, making it a great choice for living rooms or large bedrooms. One of its standout features is its energy efficiency, with a commendable SEER of 13.3, helping you save on electricity costs. The unit is also Energy Star certified, which further emphasizes its efficiency.

The noise level is relatively low, operating as quiet as 45 dB, which makes it ideal for bedrooms or workspaces where silence is appreciated. Ease of use is another highlight, as it comes with a range of control options including an LED display, remote control, WiFi capability, and compatibility with Google Assistant and Alexa. You can manage all settings via the SmartHome app or voice commands, which adds a layer of convenience. The installation is straightforward for double-hung windows with the included kit.

However, the unit does have some drawbacks. The heat pump function does not work if the outside temperature drops below 41°F, which may limit its effectiveness during colder months. Additionally, some users might find the initial setup challenging, especially when integrating it with the SmartHome app. Regular maintenance is fairly easy with a washable filter, though it does require periodic cleaning to maintain optimal performance. In summary, the Midea MAW12HV1CWT is a strong contender in the air-conditioner-heater-combo market, offering excellent energy efficiency, quiet operation, and robust control options, but with some limitations in heating function during very cold weather.

The Amazon Basics Portable AC with Heat Pump is designed to provide both cooling and heating for rooms up to 550 square feet. With a cooling power of 13,000 BTU ASHARE (10,000 BTU SACC), it caters well to medium-sized rooms and offers significant flexibility for year-round use.

The portable design with caster wheels and side handles allows for easy mobility, making it convenient for users who might need to relocate the unit frequently. The installation process is straightforward with an included venting kit adaptable to various window types, which enhances its versatility.

The unit features an LED display and comes with a remote control for ease of use, allowing users to adjust settings like speed, cooling mode, and timer for personalized comfort. This product is ideal for users looking for a portable, dual-function air conditioner and heater for medium-sized spaces.

The Whynter Portable Air Conditioner with 14,000 BTU cooling capacity is a versatile unit that also functions as a heater, dehumidifier, and fan, making it ideal for year-round use in rooms up to 500 square feet. One of its notable strengths is its powerful yet quiet operation, running at a noise level of 51 dB, which is suitable for bedrooms or other quiet spaces. The unit is designed with a dual-hose system that enhances its efficiency and helps cool spaces more quickly compared to single-hose models.

Additionally, it comes with a built-in dehumidifier capable of removing up to 71 pints of moisture per day, which is beneficial in humid environments. The auto drain function reduces the need for manual emptying, adding to its convenience. The device offers four operational modes—cool, dehumidify, fan, and heat—and full thermostatic control, allowing you to adjust the temperature to your comfort between 61°F and 89°F.

However, its energy efficiency ratio (EER) of 7.6 is relatively low, meaning it may not be the most energy-efficient option on the market. It also lacks Energy Star certification, which may be a consideration for those prioritizing energy savings. Another point to consider is that the unit is quite heavy at 85 pounds, which might make it less portable than other models. Installation requires a window kit, included in the package, but this might be a bit complex for some users. This product is well-suited for those needing a multi-functional, powerful cooling and heating solution for medium to large rooms, provided they can manage its weight and are not overly concerned with top-tier energy efficiency.