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10 Best Window Units With Heat 2025 in the United States

#1

Winner

9.8 score

Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit with Heat and Dehumidifier – Cools up to 550 Sq. Ft., Energy Star Rated, Quiet Operation, Electronic Controls, Remote Control, White

The Midea MAW12HV1CWT is a versatile window air conditioner designed for year-round comfort, offering both cooling and heating functions. With a cooling capacity of 12,000 BTU, it is well-suited for large rooms up to 550 square feet. A notable strength of this unit is its energy efficiency, as it utilizes inverter technology that can save up to 35% on energy costs compared to standard models. The Energy Star certification further underscores its eco-friendly design.

Rating
9.8
Chosen by1,291
BTU (British Thermal Units)
Energy Efficiency Ratio (EER)
Heating Capacity

Most important from
12717 reviews

BTU (British Thermal Units)
Some users found it noisier than expected, comparing it to an average 5000 BTU unit rather than a quieter model.
Energy Efficiency Ratio (EER)
Energy efficiency is remarkable, consuming no more than 400 watts even on the highest settings, thanks to the advanced heat pump technology.
Heating Capacity
The heating function may not work effectively below 41°F, but a software update can significantly improve its performance in colder conditions.
Noise Level
Incredibly quiet operation makes it almost unnoticeable, perfect for maintaining peace in your home.
Installation and Size
Straightforward installation process, fitting well even in smaller window spaces.
#2
9.6 score

Midea 8,000 BTU Smart Inverter Air Conditioner Window Unit with Heat and Dehumidifier – Cools up to 350 Sq. Ft., Energy Star Rated, Quiet Operation, Electronic Controls, Remote Control, White

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.

Rating
9.6
Energy Efficiency Ratio (EER)
Heating Capacity
Noise Level

Most important from
12717 reviews

Energy Efficiency Ratio (EER)
Impressive energy efficiency, with the unit consuming no more than 400 watts on both cooling and heating modes.
Heating Capacity
The heating function works efficiently but is limited when temperatures drop below 41°F, highlighting the importance of firmware updates for optimal performance.
Noise Level
Surprisingly quiet operation, making it barely noticeable even on the highest fan speed.
Installation and Size
Straightforward installation that fits well in various window sizes without the need for modifications.
Additional Features
Maintains a constant temperature and effectively reduces humidity, making it ideal for specialized environments like fish rooms.
#3
9.3 score

Frigidaire 23,000 BTU Window Air Conditioner with Supplemental Heat, Dehumidifier, and Remote, 230V, Cools up to 1400 Sq. Ft. for Apartment, Bedroom, Large Rooms

The Frigidaire 23,000 BTU Window Air Conditioner stands out in the category of window units with supplemental heat. With its robust cooling capacity of 23,000 BTU, it efficiently serves large spaces up to 1400 square feet, making it suitable for apartments, large bedrooms, or living rooms. The unit also offers 16,000 BTU heating capability, which is useful for maintaining warmth during colder months.

Rating
9.3
BTU (British Thermal Units)
Noise Level
Installation and Size

Most important from
6296 reviews

BTU (British Thermal Units)
The unit cools down small spaces quickly and maintains a comfortable temperature throughout the night.
Noise Level
The air conditioner operates quietly, producing a soothing white noise that is easy to sleep through.
Installation and Size
Installation is straightforward and manageable, even for a single person, though having an extra hand can be helpful.
Additional Features
A long power cord enhances flexibility in placement, making it convenient for various room setups.

Top 10 Best Window Units With Heat 2025 in the United States

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Buying Guide for the Best Window Units With Heat

When choosing a window unit with heat, it's important to consider several key specifications to ensure you select the best fit for your needs. Window units with heat are versatile appliances that can provide both cooling and heating, making them ideal for year-round use. Understanding the key specifications will help you make an informed decision based on your specific requirements and preferences.
BTU (British Thermal Units)BTU measures the cooling and heating capacity of the unit. A higher BTU rating means the unit can cool or heat a larger area. For small rooms (up to 150 square feet), a unit with 5,000-6,000 BTUs is sufficient. Medium-sized rooms (150-300 square feet) require 7,000-8,000 BTUs, while larger rooms (300-450 square feet) need 9,000-12,000 BTUs. Choose a BTU rating that matches the size of the room you want to heat or cool to ensure efficient performance.
Energy Efficiency Ratio (EER)EER indicates the energy efficiency of the unit. A higher EER means the unit uses less energy to provide the same amount of cooling or heating. Look for units with an EER of 10 or higher for better energy savings. If you plan to use the unit frequently, a higher EER can help reduce your energy bills over time.
Heating CapacityHeating capacity is often measured in BTUs as well. It's important to ensure the unit has adequate heating capacity for your space. Similar to cooling capacity, match the heating BTUs to the size of the room. For example, a unit with 5,000-6,000 BTUs is suitable for small rooms, while larger rooms may require 9,000-12,000 BTUs. Consider your climate and how much heating you will need when selecting the right capacity.
Noise LevelNoise level is measured in decibels (dB). A lower dB rating means the unit operates more quietly. If you plan to use the unit in a bedroom or a quiet space, look for units with a noise level of 50 dB or lower. For living rooms or areas where noise is less of a concern, a higher dB rating may be acceptable. Consider your tolerance for noise and where the unit will be installed.
Installation and SizeEnsure the unit fits your window dimensions and can be installed easily. Measure your window opening and compare it to the unit's dimensions. Some units come with installation kits, which can simplify the process. If you're not comfortable with DIY installation, consider hiring a professional. The size and weight of the unit can also affect ease of installation, so choose a unit that you can manage.
Additional FeaturesAdditional features such as remote control, programmable thermostat, multiple fan speeds, and energy-saving modes can enhance convenience and comfort. A remote control allows you to adjust settings from a distance, while a programmable thermostat can help maintain a consistent temperature. Multiple fan speeds offer flexibility in airflow, and energy-saving modes can reduce energy consumption. Consider which features are important to you and will improve your overall experience with the unit.

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