10 Best Portable Air Conditioner Heater Combo 2026 in the United States

The BLACK+DECKER Smart Portable Air Conditioner with Heat is designed for rooms up to 550 sq. ft., offering both cooling and heating capabilities with 12,000 BTU ASHRAE cooling and 9,000 BTU heating. The unit is versatile, functioning also as a fan and dehumidifier. Its smart features include Wi-Fi connectivity and voice control through Amazon Alexa and Google Assistant, making it convenient for tech-savvy users.

The 'Follow Me' remote enhances temperature control by acting as a thermostat. This unit comes with an easy-to-install window kit and has a portable design with wheels for easy movement between rooms. The Seasonal Energy Efficiency Ratio (SEER) of 5.8 is relatively low, indicating it might not be the most energy-efficient option. Additionally, the noise level is 52 dB, which is moderate but may still be noticeable in quieter environments.

The unit does not have an Energy Star rating, which might be a concern for energy-conscious buyers. Maintenance is straightforward with easy-to-clean filters. This product would suit individuals looking for a portable, multifunctional climate control solution with smart capabilities for medium-sized rooms.

The BLACK+DECKER Smart Portable Air Conditioner with Heat offers a robust 14,000 BTU cooling power (10,000 BTU DOE) and 12,000 BTU heating, making it suitable for rooms up to 700 square feet. This makes it a versatile option for both summer and winter use. One of its key advantages is the smart control feature, which allows you to manage the unit via a mobile app or through voice commands with Amazon Alexa or Google Assistant. Additionally, the Follow Me remote control feature enhances temperature precision by using the remote as a portable thermostat.

The unit also includes an easy-to-install window kit and functions as a dehumidifier and fan, adding to its versatility. However, there are some drawbacks to consider. With a Seasonal Energy Efficiency Ratio (SEER) of 6.2, this unit is not the most energy-efficient on the market and does not come with an Energy Star rating. Noise levels are moderately high at 54 dB, which may be noticeable in a quiet room. The single-hose design may not be as efficient as dual-hose models in maintaining consistent indoor temperatures.

Portability is a strength, given its compact dimensions (16.5” x 14.06” x 27.09”) and the inclusion of wheels, although at 60.1 pounds, moving it might require some effort. Maintenance is relatively straightforward, but potential buyers should note that it does not include washable filters. This BLACK+DECKER unit is ideal for those looking for a multifunctional, smart-controlled air conditioner and heater combo, particularly for medium-sized rooms, despite some limitations in energy efficiency and noise level.

The Whynter NEX Inverter Portable Air Conditioner & Heater Combo is an excellent choice for those looking to efficiently cool or heat a room up to 600 square feet. It boasts a powerful 14,000 BTU rating, which ensures it can handle larger spaces effectively. The dual-hose design enhances efficiency by allowing it to cool 20% more efficiently and make better use of energy. Additionally, the Seasonal Energy Efficiency Ratio (SEER) of 12.3 is decent, though it does not have an Energy Star rating, which might be a consideration for those focused on energy savings.

Users can benefit from the smart control features, including compatibility with Alexa and Google Home, as well as remote control via the NetHome Plus app, making it very convenient to operate from anywhere. The noise level is fairly low at 42.5 dB, making it suitable for use in bedrooms or offices without being disruptive. The built-in dehumidifier is a significant plus, capable of removing up to 87 pints of moisture per day, which can help maintain a comfortable indoor environment. Maintenance is straightforward with a washable air filter, reducing the need for frequent replacements.

However, the unit is on the heavier side, weighing 77.2 pounds, which may affect its portability despite being a portable model. The window installation kit included makes setting up the dual-hose system easier, but it might require some effort and space due to its size. This product is well-suited for those needing a reliable and feature-rich portable air conditioner and heater combo, particularly in larger rooms, while offering modern smart control options and effective dehumidification.