10 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 SereneLife Small Air Conditioner Portable 10,000 BTU with Built-in Dehumidifier + Heat is designed to cater to medium-sized rooms up to 450 sq ft. It combines cooling, heating, and dehumidifying all in one portable unit, making it versatile for year-round use. The unit is easy to move around thanks to its lightweight design and rolling wheels, which adds to its portability. The remote control feature allows convenient adjustments to the mode, timer, temperature, and fan settings from a distance.

With an EER of 8.5, it is moderately efficient in terms of energy consumption. The noise level ranges between 52-56 dB, which is relatively quiet and suitable for a bedroom or living room setting without causing significant disturbance. The installation is straightforward with the included window mount exhaust kit. Maintenance is relatively simple with easy-to-clean filters, although regular upkeep is necessary to ensure optimal performance.

A notable strength is its built-in dehumidifier, which can remove up to 15 liters of moisture per hour, adding to its functionality in humid environments. The BTU rating might be lower compared to some other models in the market, potentially making it less effective in extremely large areas. Additionally, the thermostat and controls are user-friendly but might lack advanced features found in more high-end models. Its 1-year warranty provides some peace of mind but might be considered short by some users. This unit is ideal for those looking for a convenient, multi-functional climate control solution for medium-sized spaces, particularly where portability and ease of use are key priorities.