10 Best Window Units With Heat 2026 in the United States

The Whirlpool 18,000 BTU Window Air Conditioner with Supplemental Heat is designed for large spaces up to 1000 square feet. It offers significant cooling power with 18,000 BTUs and supplemental heating up to 10,600 BTUs, making it versatile for year-round use. It has an Energy Efficiency Ratio (EER) of 10.7, which is reasonably efficient, though it has only a 1-star Energy rating. The noise level is 56 dB, which is moderate and may be noticeable in quieter environments.

Installation is straightforward with the included mounting kit, though the unit's dimensions and weight (23.6 x 25.4 x 18.7 inches; 108.7 pounds) suggest assistance may be needed during setup. The unit includes an electronic control panel with a digital display, three cooling speeds, eco and sleep modes, a 24-hour programmable timer, and 8-way directional air louvers. The remote control adds convenience, and the reusable filter is easily washable to maintain air quality.

This Whirlpool unit is best suited for users looking for a powerful cooling and supplemental heating solution in larger rooms, with the convenience of programmable settings and remote control functionality. It receives high customer satisfaction with an average rating of 4.3 out of 5 stars from over 1,000 reviews, indicating generally positive user experiences.

The Midea MAW08HV1CWT EasyCool Smart Inverter Air Conditioner Window Unit with Heat is a versatile option designed for year-round comfort. With an 8,000 BTU rating, it effectively cools and heats rooms up to 350 square feet. The unit performs well in terms of energy efficiency with a SEER of 14.5, potentially saving up to 35% on energy costs compared to standard models. It is Energy Star certified, ensuring lower electricity bills while maintaining comfort. Noise levels are impressively low, with operation as quiet as 45 dBA, which is ideal for maintaining a peaceful environment, whether you're working, watching TV, or sleeping.

Installation is straightforward, fitting double-hung windows with specific dimensions, and the included installation kit simplifies the process. Smart features enhance usability, including WiFi connectivity, compatibility with voice assistants Alexa and Google Assistant, and control via the SmartHome App. These features make it convenient to operate from anywhere.

However, it’s important to note that the heating function is supplementary and works best when outdoor temperatures are above 41°F, which might limit its use in colder climates. Also, at 56 pounds, the unit might be a bit heavy for some users to install by themselves. The remote control and washable filter are practical additions, contributing to ease of use and maintenance. For those looking for a smart, quiet, and energy-efficient unit that offers both cooling and heating, the Midea MAW08HV1CWT is a strong contender.

The Whirlpool WHHW081AW is an 8,000 BTU window air conditioner that also provides 4,000 BTU of supplemental heating, making it suitable for spaces up to 350 square feet. This unit is effective in delivering cooling and heating but is not designed to be the primary heating source during the coldest months. It features an electronic control panel with a digital display, three cooling speeds, an eco mode, sleep mode, and a programmable 24-hour on/off timer, along with 8-way directional air louvers for customized comfort.

The included remote control allows you to adjust settings from a distance, which adds convenience. Installation is straightforward with the provided window mounting kit, which fits windows with a minimum height of 19.5 inches. The unit also includes a reusable filter that helps remove dust and contaminants from the air, which is easy to clean and maintain. However, the noise level is 52 dB, which might be a bit louder than some users prefer.

Additionally, the SEER rating of 10.9 and a single Energy Star rating indicates it is moderately energy-efficient but not the top in its class. This product is well-suited for those looking for a combination of cooling and supplemental heating in a single unit, especially in apartments, living rooms, or bedrooms.