10 Best Window Units With Heat 2026 in the United States

The Midea Inverter Window Air Conditioner with Heat is a solid choice if you want a versatile window unit for both cooling and heating in rooms up to 550 square feet. It offers a strong 12,000 BTU cooling capacity combined with a heat pump function for mild winter warmth. Energy-wise, it’s efficient with a CEER of 13.3 and Energy Star certification, helping save on electricity without compromising comfort.

One of its standout features is its quiet operation at just 45 decibels, which is gentle enough for bedrooms or living spaces without being distracting. Installation fits common double-hung windows between 24 to 38.5 inches wide, and the unit includes a remote, installation kit, and smart controls via an app or voice assistants, making it easy to adjust settings from anywhere. The built-in dehumidifier and washable filter add extra convenience.

The heating function won’t work if outdoor temperatures drop below 41°F, so it’s best for mild cold weather rather than harsh winters. Also, at about 58 pounds, it’s a bit heavy, so installation may require some help. If you want an efficient, quiet, and smart-controlled window unit that handles both cooling and supplemental heating well, the Midea is a reliable option—just keep in mind its heating limits in colder climates.

The BLACK+DECKER Smart Portable Air Conditioner offers solid cooling performance with a 14,000 BTU rating, suitable for rooms up to 700 square feet. Its portable design and included window installation kit make it a flexible choice for bedrooms or living rooms needing efficient cooling without permanent installation. One notable advantage is its smart connectivity, allowing control through a mobile app or voice commands via Alexa and Google Assistant, plus a 'Follow Me' remote that fine-tunes temperature based on where you are in the room.

Energy efficiency is moderate with a Seasonal Energy Efficiency Ratio (SEER) of 6.2, which is average for portable units but not outstanding if you’re looking to save on electricity bills. Noise level is about 52 decibels, which is noticeable but generally tolerable for most users during operation.

This model does not include a heating function, which is an important consideration since it’s labeled under the category of window units with heat. If you need a unit that also warms your room during colder months, this model won't meet that need. The size is somewhat bulky and weighs around 68 pounds, so while portable, it may not be easy to move frequently. This BLACK+DECKER unit performs well as a smart, portable cooling solution for medium to large rooms, with easy installation and useful remote features, but it offers average energy efficiency and noise levels and lacks heating capability.

The Midea 8,000 BTU U Shaped Smart Inverter Window Air Conditioner is a strong choice for cooling rooms up to about 350 square feet, such as bedrooms or small living spaces. Its U-shaped design is unique because it lets you open your window even when the AC is running, which helps bring in fresh air and preserve your view. It also uses advanced inverter technology, making it very energy efficient—saving around 37% on energy compared to older models—and it comes with an ENERGY STAR certification, which helps reduce electricity costs.

One of the standout features is its ultra-quiet operation, running as low as 32 decibels, about as quiet as a whisper, making it ideal for bedrooms or offices where noise can be distracting. The unit is Wi-Fi enabled and works with Alexa and Google Assistant, allowing for remote or hands-free control and adding convenience.

Installation is relatively straightforward with the included bracket, fitting most single or double-hung windows measuring between 23 to 36 inches wide. The unit weighs just over 53 pounds, which might require two people to install safely. This Midea AC is well suited for users seeking a quiet, energy-efficient cooling solution with smart controls and flexible window installation.