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10 Best Window Units With Heat 2025 in the United States

#1

Winner

9.7 score

LG LW1424RD, 14000 BTU, White 14,000 Window Air Conditioner, 115V, 700 Sq.Ft. (25' x 28' Room Size), Quiet Operation, Electronic Control with Remote, 3 Cooling & Fan Speeds, Auto Restart

The LG LW1424RD is a powerful window air conditioner designed to cool rooms up to 800 square feet, making it a strong choice for medium to larger rooms. With a cooling capacity of 14,000 BTU, it delivers effective temperature control, and the SEER rating of 11.2 suggests reasonable energy efficiency, helping to keep electricity costs manageable. This model also features a heating function with a 3.3-pint dehumidifier capacity, adding comfort in cooler weather.

Rating
9.7
Chosen by1,255
BTU (British Thermal Units)
Energy Efficiency Ratio (EER)
Heating Capacity

Most important from
16812 reviews

BTU (British Thermal Units)
The unit delivers powerful cooling with a significant temperature differential, effectively maintaining comfort even in extreme heat conditions.
Energy Efficiency Ratio (EER)
Energy consumption remains impressively low, with running costs around $2 per day for multiple units, making it highly economical for continuous use.
Heating Capacity
The heating function adds valuable year-round comfort, although supplemental heating might be needed for larger spaces or colder climates.
Noise Level
The rotary compressor and R-32 refrigerant contribute to quieter and more efficient performance compared to heavier, more expensive alternatives.
Installation and Size
Installation is straightforward but requires a sturdy external support to prevent chassis warping and ensure quiet operation.
Additional Features
Simple controls and remote operation allow users to set and forget, avoiding the complexity found in more advanced but less user-friendly models.
#2
9.4 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
9.4
BTU (British Thermal Units)
Energy Efficiency Ratio (EER)
Heating Capacity

Most important from
723 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.
#3
9.2 score

Whynter Portable Air Conditioner 14,000 BTU & Heater with Dual Hose Dehumidifier & Cooling Fan for 500 Sq Ft Rooms, Includes AC Unit Window Kit, ARC-14SH (9,200 SACC)

The Whynter Portable Air Conditioner and Heater is a versatile unit designed to cover areas up to 500 sq ft, boasting a cooling capacity of 14,000 BTU. It operates on a dual-hose system, which generally offers better efficiency in cooling compared to single-hose models. Its Energy Efficiency Ratio (EER) is 7.6, which is on the lower side, meaning it may consume more power compared to other units with higher EER. One significant advantage is its low noise level, operating at just 51 dB, making it a good choice for bedrooms or living spaces where noise might be a concern. However, it doesn't have an Energy Star rating, which could impact its operational cost over time.

Rating
9.2
Heating Capacity
Noise Level
Installation and Size

Most important from
3559 reviews

Heating Capacity
The heater function is strong enough to warm up a room during cooler mornings.
Noise Level
The Whynter is much quieter than other portable AC units, though not completely silent.
Installation and Size
Set up was extremely easy, and the unit pumped out a lot of cold air after just a few minutes.
Additional Features
The dual-hose system makes a significant difference, keeping the room shockingly cold even in extreme heat.

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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