10 Best Window Units With Heat 2026 in the United States

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 ROVSUN 18000 BTU window air conditioner with heat is designed to cool or heat rooms up to 1000 square feet, making it a solid choice for medium to larger rooms like living rooms or large bedrooms. Its 18,000 BTU capacity ensures quick temperature changes, which is handy for both hot summers and chilly days. The unit scores well on energy efficiency with a high SEER rating of 17 and a 4-star energy rating, helping you save on electricity bills compared to less efficient models. It operates quietly at around 56 decibels, so it won’t be too distracting when you’re watching TV or sleeping. Installation is simplified by included mounting kits and clear instructions, but you’ll need to confirm your window size and electrical voltage matches before buying. The unit’s size is fairly standard for a window AC in this power range, so ensure your window can accommodate its 25.4 x 23.6 x 17.9 inches dimensions.

Additional features like a remote control, timer, multiple fan speeds, and eco mode add convenience and allow you to customize comfort easily. The noise level, while quiet for this type of unit, might still be noticeable if you need near-silent operation. Also, it requires a 208/230V power source, which might not be compatible with all home outlets without an electrician’s help. Customer feedback is generally positive, with a 4.3-star rating indicating good reliability and performance. This ROVSUN unit is a dependable option if you want a multi-functional window unit that cools, heats, dehumidifies, and fans efficiently for a reasonably large space.

The ROVSUN 12000 BTU window air conditioner with heat is designed to cool and warm rooms up to about 550 square feet, making it suitable for medium-sized spaces like apartments or offices. With 12,000 BTU power, it offers quick temperature control, and its heating feature adds versatility for year-round comfort. Operating is straightforward, thanks to a clear LED display and remote control, allowing easy adjustments for fan speeds, timer, and modes. Installation is made simpler with included mounting kits and side panels, though it's important to check your window size and voltage compatibility (208/230V) before buying. Noise levels are reasonably low at 51 decibels, so it shouldn’t disrupt daily activities or sleep. The unit uses environmentally friendly R410A refrigerant and a high-quality compressor intended for energy savings and durability, though the Energy Efficiency Ratio (EER) is noted as low, which means it may consume more electricity compared to more efficient models. The filter is slide-out type, simplifying cleaning and maintenance.

If you want a reliable, easy-to-use window unit that combines cooling and heating in one, and you have a medium-sized room, this ROVSUN model provides a solid balance of features and value. However, if energy efficiency is a top priority, you might find better options elsewhere.