8 Best Window Air Conditioners with Energy Star, Compared
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We compared 8 best window air conditioners with energy star to help you find the right unit. The Midea 8,000 BTU Inverter Window Air Conditioner with Heat leads because it includes a heater for small rooms needing quiet cooling and heat. These picks are based on the specifications published on the listings. You will see how coverage area, inverter technology, and control types differ across models. This guide helps you decide which unit fits your room size and efficiency needs.
Quick picks
The best fit for you
- You need quiet cooling and supplemental heat Midea 8,000 BTU Inverter Window Air Conditioner with Heat It includes a heater and uses inverter tech for energy-efficient quiet operation.
- You want to preserve window views GE Profile ClearView 10,300 BTU Inverter Window AC Its ClearView design offers unobstructed visibility for medium-sized rooms.
- You need smart air quality monitoring Frigidaire Gallery 8,000 BTU Smart Inverter Window AC It provides app control and air quality tracking for small spaces.
- You need to cool large rooms up to 800 sq ft LG 14,000 BTU Dual Inverter Window Air Conditioner It delivers 14,000 BTU of cooling capacity for larger areas.
Our 8 picks
Midea 8,000 BTU Inverter Window Air Conditioner with Heat
Best for: Small rooms needing quiet cooling and heat
- Features
- Energy Star, Heater, Inverter (what this guide is about)
- Cooling Capacity
- 8,000 BTU
- Coverage Area
- 350 sq ft
- Noise Level
- 45 dBA
- Control Type
- Electronic, remote, app, voice
- Compressor Type
- Inverter
View on Amazon: Midea 8,000 BTU Inverter Window Air Conditioner with Heat
This Midea unit combines 8,000 BTU cooling with supplemental heat for year-round use. Its inverter compressor and Energy Star certification help reduce electricity use. It covers rooms up to 350 square feet and runs quietly at 45 dBA. You can control it via remote, app, or voice assistants. The front-access washable filter simplifies maintenance. It fits double-hung windows with specific opening dimensions.
Pros
- Inverter compressor for energy efficiency
- Heating and cooling modes
- App and voice control
- Low 45 dBA noise level
Cons
- Heating only works above 41°F
- Heavier than many competitors
- Limited to 8,000 BTU capacity
Good fit if
- You need heating and cooling in one unit
- You want quiet operation for bedrooms
- You prefer smart home integration
Skip if
- You require cooling for spaces over 350 sq ft
- You need heating in freezing temperatures
- You have windows with narrow vertical openings
Verdict: Midea 8,000 BTU Inverter Window AC suits those needing quiet, energy-efficient cooling with supplemental heat for small rooms. It is ideal for bedrooms or apartments where smart control and low noise matter most.
GE Profile ClearView 10,300 BTU Inverter Window AC
Best for: preserving window views and thick walls
- Features
- Energy Star, Wi-Fi, Inverter (what this guide is about)
- Cooling Capacity
- 10,300 BTU
- Coverage Area
- Up to 450 sq ft
- Noise Level
- As low as 40 dB
- Control Type
- Wi-Fi app, remote control, voice control
- Compressor Type
- Inverter
View on Amazon: GE Profile ClearView 10,300 BTU Inverter Window AC
This Energy Star certified unit cools up to 450 square feet with 10,300 BTUs of inverter-powered cooling. It stands out with a ClearView design that preserves your window view and a flex-depth frame for walls between 4.5 and 13.75 inches thick. You get smart control via Wi-Fi, the SmartHQ app, and voice assistants. Operation is quiet, dropping to 40 dB. It fits windows 20 to 40 inches wide.
Pros
- Inverter technology for 34% more efficiency
- Ultra-quiet operation at 40 dB
- ClearView design maintains window visibility
- Flex-depth fits walls 4.5 to 13.75 inches thick
- Wi-Fi and voice control support
Cons
- Heavier build at 75.7 pounds
- Requires window width of 20 to 40 inches
- Limited to 450 square foot coverage
Good fit if
- You want to keep your window view clear
- You have a thick window wall up to 13.75 inches
- You need quiet operation under 40 dB
Skip if
- You need to cool a room larger than 450 square feet
- Your window is narrower than 20 inches
- You prefer a lighter unit under 70 pounds
Verdict: GE Profile 10,300 BTU ClearView suits those who value unobstructed views and flexible installation in thick walls. It delivers efficient, quiet cooling for medium-sized rooms with smart connectivity.
Frigidaire 8,000 BTU Smart Inverter Window AC
Best for: small rooms needing smart efficiency
- Features
- Energy Star, Wi-Fi, Inverter (what this guide is about)
- Cooling Capacity
- 8,000 BTU
- Coverage Area
- Up to 350 sq ft
- Control Type
- Wi-Fi app, remote control
- Compressor Type
- Inverter
- Dimensions
- 23 × 19.5 × 13.9 inches
View on Amazon: Frigidaire 8,000 BTU Smart Inverter Window AC
This Frigidaire unit delivers 8,000 BTU of cooling for spaces up to 350 square feet. It uses inverter technology to maintain steady temperatures while reducing energy use. You get Wi-Fi control via the app or voice assistants, plus a remote. The 6-way directional airflow helps distribute cool air evenly. It is a solid choice for small rooms needing efficient, smart cooling.
Pros
- Wi-Fi app and voice control
- Inverter compressor for efficiency
- 6-way directional airflow
- Remote control included
Cons
- Limited to 8,000 BTU capacity
- Covers only up to 350 sq ft
- Heavier at 55 pounds
Good fit if
- You need smart control for a bedroom
- You want energy-efficient cooling
- You have a small room under 350 sq ft
Skip if
- You need to cool a large open area
- You require more than 8,000 BTU
- You prefer a lighter unit
Verdict: Frigidaire 8,000 BTU Smart Inverter AC fits small rooms well. Its inverter tech and smart features offer efficient comfort for tight budgets.
Frigidaire Gallery 8,000 BTU Smart Inverter Window AC
Best for: small rooms needing smart air monitoring
- Features
- Energy Star, Wi-Fi, Inverter (what this guide is about)
- Cooling Capacity
- 8,000 BTU
- Coverage Area
- 350 sq ft
- Control Type
- Wi-Fi app, remote control
- Compressor Type
- Inverter
- Dimensions
- 23 × 19.5 × 13.9 inches
View on Amazon: Frigidaire Gallery 8,000 BTU Smart Inverter Window AC
This Frigidaire Gallery unit delivers 8,000 BTU of cooling for rooms up to 350 square feet. It uses inverter technology for steady temperature control and quiet operation. You can manage settings via Wi-Fi through the app or Amazon Alexa. A built-in air quality sensor monitors your environment. The package includes a remote control and a washable filter. It is Energy Star Most Efficient certified for lower energy use.
Pros
- Wi-Fi app and remote control
- Built-in air quality sensor
- Inverter compressor for efficiency
- Energy Star Most Efficient
Cons
- 8,000 BTU limits coverage to 350 sq ft
- 55 pounds makes it heavy to move
- No dehumidifier capacity listed in specs
Good fit if
- You need smart home integration with Alexa
- You want to monitor indoor air quality
- You are cooling a small room under 350 sq ft
Skip if
- You need to cool a large space over 350 sq ft
- You prefer a lighter unit under 50 pounds
- You require a dehumidifier function with specific pint ratings
Verdict: Frigidaire 8,000 BTU Smart Inverter AC fits users who prioritize smart monitoring and efficiency in small spaces. It suits those who want air quality tracking and app control for a single bedroom or office.
ROVSUN 8,000 BTU Inverter Window AC
Best for: small rooms needing quiet, smart cooling
- Features
- Energy Star, Wi-Fi, Inverter (what this guide is about)
- Cooling Capacity
- 8,000 BTU
- Coverage Area
- 350 sq ft
- Noise Level
- 42 dBA
- Control Type
- Panel, remote, app, voice
- Compressor Type
- Inverter
This ROVSUN unit delivers 8,000 BTU of cooling for spaces up to 350 square feet. It uses inverter technology for a 15.0 CEER rating, which saves energy compared to traditional models. You can control it via panel, remote, app, or voice assistants. It runs quietly at 42 dBA in sleep mode. The pre-assembled side panels simplify installation for windows between 25 and 36 inches wide.
Pros
- 15.0 CEER rating with inverter compressor
- Quiet 42 dBA operation in sleep mode
- Full control via app, remote, and voice
- Pre-assembled side panels for easy setup
Cons
- 8,000 BTU capacity limits cooling to smaller rooms
- Heavier build at 60 pounds
- No heating function included
Good fit if
- You need quiet operation for a bedroom
- You want smart home integration with Alexa or Google
- You prefer a pre-assembled unit for quick installation
Skip if
- You require heating capability
- You need to cool a room larger than 350 square feet
- You prefer a lighter unit for frequent moves
Verdict: ROVSUN 8000 BTU Inverter Window AC suits renters who value smart features and quiet cooling. It fits small rooms where energy efficiency and app control matter more than raw power.
Keystone 8,000 BTU Inverter Window AC with Heat
Best for: Small rooms needing quiet cooling and mild heat
- Features
- Energy Star, Heater, Inverter (what this guide is about)
- Cooling Capacity
- 8,000 BTU
- Coverage Area
- Up to 350 sq ft
- Control Type
- Remote control
- Compressor Type
- Inverter
- Voltage
- 115V
View on Amazon: Keystone 8,000 BTU Inverter Window AC with Heat
The Keystone KSTAW08INV-HC is an 8,000 BTU inverter window air conditioner designed for rooms up to 350 square feet. It features a heat pump for supplemental warmth and operates quietly thanks to its inverter compressor. The unit includes a remote control and a washable filter. It fits windows between 24 and 38.5 inches wide. This model suits you if you need efficient cooling with mild heating options for small spaces.
Pros
- Inverter compressor reduces energy waste
- Operates 24% quieter on low speed
- Includes supplemental heat pump mode
- Remote control for easy operation
Cons
- Limited to 350 square foot coverage
- Heat mode is supplemental, not primary
- Requires window width of at least 24 inches
Good fit if
- You need quiet cooling for a small room
- You want supplemental heat in mild weather
- You prefer energy-efficient inverter technology
Skip if
- You need to cool a large open space
- You require primary heating for cold climates
- Your window opening is narrower than 24 inches
Verdict: Keystone 8,000 BTU Inverter Window AC is a practical option for small rooms where quiet operation and mild heating are priorities. It fits buyers who value energy efficiency over raw cooling power.
DELLA 8,000 BTU Inverter Window Air Conditioner
Best for: small rooms needing quiet, efficient cooling
- Features
- Energy Star, Wi-Fi, Inverter (what this guide is about)
- Cooling Capacity
- 8000 BTU
- Coverage Area
- 300-350 sq ft
- Noise Level
- 42 dBA
- Control Type
- Wi-Fi app, remote control
- Compressor Type
- DC Inverter
View on Amazon: DELLA 8,000 BTU Inverter Window Air Conditioner
This 8,000 BTU unit uses a DC inverter compressor to maintain steady temperatures while saving energy. It covers 300 to 350 square feet and operates at a quiet 42 dBA. You control it via Wi-Fi app or remote. It carries an Energy Star rating with a 15 CEER. The compact design fits standard windows and includes a washable filter for easy maintenance.
Pros
- DC Inverter compressor for stable temperature and energy savings
- Quiet operation at 42 dBA
- Wi-Fi app and remote control support
- Energy Star certified with 15 CEER
Cons
- Lower 8,000 BTU cooling capacity compared to 10,300 or 14,000 BTU options
- Single 115V power requirement limits placement options
- Smaller coverage area of 300-350 sq ft
Good fit if
- You need quiet cooling for a bedroom or small living room
- You want smart app control for convenience
- You prioritize energy efficiency with an inverter system
Skip if
- You require cooling for a large open space over 350 sq ft
- You need higher cooling power for a hot room
- You want a unit with dual inverter technology
Verdict: Della 8,000 BTU Inverter Window AC suits you if you need efficient, quiet cooling for a single room. It is not suitable for larger spaces or those needing maximum cooling power.
LG 14,000 BTU Dual Inverter Window Air Conditioner
Best for: cooling large rooms up to 800 sq ft
- Features
- Energy Star, Inverter (what this guide is about)
- Cooling Capacity
- 14,000 BTU
- Coverage Area
- 800 sq ft
- Noise Level
- 44 dB
- Control Type
- App, voice control
- Compressor Type
- Dual Inverter
View on Amazon: LG 14,000 BTU Dual Inverter Window Air Conditioner
This LG unit delivers 14,000 BTU of cooling for rooms up to 800 square feet. It uses a dual inverter compressor and BLDC motor to reach a quiet 44 dB in sleep mode. You can control it via the LG ThinQ app or voice commands with Alexa and Google Assistant. The fixed chassis design includes an EZ Mount kit for double-hung windows and a washable dust filter for easy maintenance.
Pros
- 14,000 BTU cooling capacity for large rooms
- Dual inverter technology for energy efficiency
- Quiet operation down to 44 dB
- App and voice control compatibility
Cons
- Heavier build at 85.1 pounds
- Larger footprint with 28-inch length
- Fixed chassis limits flexible installation
Good fit if
- You need to cool a large room up to 800 square feet
- You want quiet operation for a bedroom or living area
- You prefer app or voice control over a physical remote
Skip if
- You only need to cool a small room under 400 square feet
- You require a portable unit that moves between rooms
- You have limited window space for a 28-inch wide unit
Verdict: LG 14,000 BTU Dual Inverter Window AC is a strong option for cooling large spaces efficiently. It suits you if you need high capacity and smart home integration without excessive noise.
Specifications side by side
| Spec | Midea 8,000 BTU Inverter Window Air Conditioner with Heat | GE Profile ClearView 10,300 BTU Inverter Window AC | Frigidaire 8,000 BTU Smart Inverter Window AC | Frigidaire Gallery 8,000 BTU Smart Inverter Window AC | ROVSUN 8,000 BTU Inverter Window AC | Keystone 8,000 BTU Inverter Window AC with Heat | DELLA 8,000 BTU Inverter Window Air Conditioner | LG 14,000 BTU Dual Inverter Window Air Conditioner |
|---|---|---|---|---|---|---|---|---|
| Cooling Capacity | 8,000 BTU | 10,300 BTU | 8,000 BTU | 8,000 BTU | 8,000 BTU | 8,000 BTU | 8000 BTU | 14,000 BTU |
| Coverage Area | 350 sq ft | Up to 450 sq ft | Up to 350 sq ft | 350 sq ft | 350 sq ft | Up to 350 sq ft | 300-350 sq ft | 800 sq ft |
| Noise Level | 45 dBA | As low as 40 dB | not specified | not specified | 42 dBA | not specified | 42 dBA | 44 dB |
| Control Type | Electronic, remote, app, voice | Wi-Fi app, remote control, voice control | Wi-Fi app, remote control | Wi-Fi app, remote control | Panel, remote, app, voice | Remote control | Wi-Fi app, remote control | App, voice control |
| Compressor Type | Inverter | Inverter | Inverter | Inverter | Inverter | Inverter | DC Inverter | Dual Inverter |
| Chassis Design | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Fixed |
| Voltage | not specified | not specified | not specified | not specified | 115V | 115V | 115V | 115V |
| CEER Rating | not specified | not specified | not specified | not specified | 15.0 | not specified | 15 | not specified |
| Room | not specified | not specified | not specified | not specified | not specified | Apartment | not specified | Bedroom, Living Room, Apartment |
| Features | Energy Star, Heater, Inverter | Energy Star, Wi-Fi, Inverter | Energy Star, Wi-Fi, Inverter | Energy Star, Wi-Fi, Inverter | Energy Star, Wi-Fi, Inverter | Energy Star, Heater, Inverter | Energy Star, Wi-Fi, Inverter | Energy Star, Inverter |
| Dimensions | 22.2 × 19.4 × 13.9 inches | 28 × 20 × 13 inches | 23 × 19.5 × 13.9 inches | 23 × 19.5 × 13.9 inches | 19.3 × 20.7 × 13.4 inches | 22.2 × 19.4 × 13.9 inches | 19.3 × 20.7 × 13.4 inches | 28 × 23.6 × 15 inches |
| Weight | 56 pounds | 75.7 pounds | 55 pounds | 55 pounds | 60 pounds | 56 pounds | 56.2 pounds | 85.1 pounds |
| Size | 8,000 BTU with Heat | 10300 BTU | 8000 BTU | 8,000 BTU | not specified | 8000 BTU | 8000 BTU | 14,000 BTU |
| Color | White | White | White | White | White | Bright White | White | White |
| Model | MAW08HV1CWT | PHNT10CC | FHWW085WE1 | GHWW085TE1 | TIWC-08CRD1 | KSTAW08INV-HC | 048-TL-W8KI_2 | LW1522IVSM |
How to choose the right one
-
Check inverter technology
Inverter compressors adjust speed to maintain temperature, unlike traditional units that cycle on and off. This results in quieter operation and better energy efficiency. All picks in this guide use inverter technology, including the Midea and GE Profile models. You benefit from steadier cooling and lower power consumption. If you need quiet performance for a bedroom, this spec is essential. It ensures the unit runs efficiently without sudden noise spikes during startup cycles.
-
Verify voltage requirements
Most units here run on standard 115V outlets, but you must confirm this for your space. The ROVSUN and LG models explicitly list 115V compatibility. This allows you to plug them into standard household sockets without needing special wiring. If your room lacks a nearby outlet, this standard voltage simplifies installation. Always check the data sheet for your specific model to ensure it matches your home’s electrical setup before purchasing.
-
Look for heat functions
Some units include a heater for supplemental warmth during mild weather. The Midea and Keystone models both feature this capability. This adds versatility, allowing you to use one device for cooling and heating. If you live in a climate with variable seasons, this feature extends the unit’s usefulness. You save space by avoiding a separate heater. Check the attributes list to confirm if your chosen model includes this dual-function capability.
-
Assess physical dimensions
Window frames vary in size, so you must measure your opening carefully. The GE Profile model is notably wider at 28 inches, while the Midea is 22.2 inches long. Ensure your window sash can accommodate the unit’s length and width. The height and depth also matter for stability and clearance. Measure your window space before buying to avoid installation issues. The specs provide exact measurements for each model to help you compare fitment accurately.
-
Consider smart controls
Wi-Fi connectivity allows you to control the unit via an app. The GE Profile, Frigidaire, ROVSUN, and Della models offer this feature. You can adjust settings remotely or schedule operations for convenience. If you value automation or remote access, this spec is important. Note that the Midea model uses electronic controls without listed Wi-Fi. Choose based on whether you prioritize app integration or simpler manual operation for your specific needs.
Frequently asked questions
What is the difference between inverter and non-inverter window ACs?
Inverter compressors adjust their speed to maintain your set temperature rather than cycling fully on and off. This results in quieter operation and better energy efficiency. All picks in this guide use inverter technology, including the Midea and LG models, ensuring consistent comfort without the noise spikes of traditional units.
Can window air conditioners with energy star provide heat?
Yes, some models include a heating function for supplemental warmth in small rooms. The Midea 8,000 BTU Inverter Window Air Conditioner with Heat and the Keystone 8,000 BTU Inverter Window AC with Heat both offer this feature. These units are ideal for bedrooms or apartments where mild heating is needed alongside cooling.
How do I choose the right BTU for my room?
Match the BTU rating to your square footage to ensure efficient cooling. Most units in this list provide 8,000 BTU, suitable for rooms up to 350 square feet. If you need to cool a larger area, such as a living room, look for the 14,000 BTU LG model, which covers up to 800 square feet.
Which window AC is best for preserving views?
The GE Profile ClearView 10,300 BTU Inverter Window AC is designed to preserve your window visibility. Its ClearView design offers an unobstructed view, making it ideal for medium-sized rooms where aesthetics matter. It also features Wi-Fi connectivity and inverter technology for efficient, quiet cooling in spaces with thick walls.
Do these energy star units support smart home integration?
Several models in this list offer Wi-Fi connectivity for smart control. The GE Profile, Frigidaire 8,000 BTU Smart Inverter, ROVSUN, and Della units all include Wi-Fi features. This allows you to control settings via an app, which is useful for monitoring air quality or adjusting temperatures remotely from your smartphone.
What is the quietest window AC for a bedroom?
The Midea 8,000 BTU Inverter Window Air Conditioner with Heat is noted for quiet operation. It uses inverter tech to maintain temperature smoothly without loud cycling, making it ideal for bedrooms or apartments. Its compact size and low noise profile ensure it does not disrupt sleep while providing efficient cooling and heat.
Which unit is best for large living rooms?
The LG 14,000 BTU Dual Inverter Window Air Conditioner is best for large spaces. It offers high capacity to cool areas up to 800 square feet, such as living rooms or large apartments. Despite its power, it maintains smart home integration and efficient operation through its dual inverter technology, reducing noise levels.