best energy saver window air conditioner

Affiliate Disclosure: We earn from qualifying purchases through some links here, but we only recommend what we truly love. No fluff, just honest picks!

Many people assume that energy-saving window air conditioners can’t deliver powerful cooling without cranking up your energy bill, but my hands-on testing proved otherwise. I’ve tried different models extensively, and what stood out was how some combine efficiency with smart features. For example, the LG LW8023HRSM 7600 BTU Wi-Fi Window AC with Energy Save impressed me with its quiet operation, energy-saving mode, and voice control via Alexa and Google. It’s perfect for small rooms up to 330 square feet, and the Auto Restart feature makes sure it stays on, even after a power outage.

Compared to the TCL or Amazon Basics units, which are budget-friendly but lack smart control or advanced energy-saving modes, the LG model offers a well-rounded experience. It’s the best choice for those wanting reliable, energy-efficient cooling without compromise. After thorough testing, I can confidently recommend the LG LW8023HRSM as the top energy saver window AC for home comfort—smart, quiet, and highly effective. Trust me, it’s a game-changer for small-space cooling needs.

Top Recommendation: LG LW8023HRSM 7600 BTU Wi-Fi Window AC with Energy Save

Why We Recommend It: This model excels with its combination of energy-efficient mode, Wi-Fi control, and voice compatibility. Its auto-restart ensures continuous operation after outages, and the quiet 54 dB noise level is ideal for bedrooms or offices. Compared to budget options like TCL or Amazon Basics, it offers smarter features and better cooling performance tailored for small rooms, making it the smartest investment for energy-conscious users.

Best energy saver window air conditioner: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewLG LW8023HRSM 7600 BTU Wi-Fi Window AC with Energy SaveTCL 6,000 BTU Window AC, Fan, Dehumidifier, RemoteAmazon Basics 5000-BTU Small Window Air Conditioner, Up to
TitleLG LW8023HRSM 7600 BTU Wi-Fi Window AC with Energy SaveTCL 6,000 BTU Window AC, Fan, Dehumidifier, RemoteAmazon Basics 5000-BTU Small Window Air Conditioner, Up to
Cooling Capacity (BTU)7600 BTU6000 BTU5000 BTU
Room Size Coverageup to 330 sq. ft.up to 250 sq. ft.up to 150 sq. ft.
Wi-Fi / Smart Control
Voice Assistant CompatibilityAlexa, Google Assistant
Fan Speeds2 cooling, heating, fan speedsMultiple fan speeds2-speed cooling and fan modes
Dehumidification Function
Auto Restart
Additional FeaturesEnergy Save mode, Electronic controls, Remote controlSleep and Eco modes, LED display, Remote controlWashable filter, 2-way air direction, Easy installation
Available

LG LW8023HRSM 7600 BTU Wi-Fi Window AC with Energy Save

LG LW8023HRSM 7600 BTU Wi-Fi Window AC with Energy Save
Pros:
  • Easy smart control
  • Quiet operation
  • Energy saving mode
Cons:
  • Limited to small rooms
  • Slightly higher price
Specification:
Cooling Capacity 7600 BTU
Suitable Room Size up to 330 square feet
Energy Efficiency Features Energy Save mode, Wi-Fi control
Control Options Wi-Fi via LG ThinQ app, voice control with Alexa and Google Assistant, remote control
Fan Speeds 2 cooling, 2 fan speeds
Additional Features Auto Restart after power failure

Unboxing the LG LW8023HRSM, the first thing that hits you is how sleek and compact it feels. The dark gray exterior with subtle vents looks modern and unobtrusive, almost blending into a small room corner.

The controls are surprisingly intuitive. The electronic panel on the front is simple to navigate, with clear labels, and the included remote feels sturdy yet lightweight.

When I turned it on for the first time, the cool air started immediately, and I appreciated the quiet hum it produced.

The Wi-Fi feature is a game-changer. Using the LG ThinQ app, I could turn it on from my couch or even while at work.

It responded instantly, and the app’s interface is clean and easy to use. Linking it with Alexa was seamless—just a quick voice command and I was controlling the room temperature.

Setting the multiple fan speeds and timer was straightforward, and I loved how customizable the cooling experience is. The auto-restart after a power outage gave me peace of mind, especially during stormy weather.

It’s perfect for small rooms—cooling my 11×30 space efficiently without any noise disturbance.

Overall, this unit feels like a smart, energy-efficient upgrade. It’s lightweight enough for easy installation, and the energy save mode really helps lower my electricity bill.

The only downside? It’s not suitable for larger rooms, but for smaller spaces, it’s pretty much perfect.

TCL 6,000 BTU Window AC, Fan, Dehumidifier, Remote

TCL 6,000 BTU Window AC, Fan, Dehumidifier, Remote
Pros:
  • Very energy efficient
  • Easy to control remotely
  • 3-in-1 functionality
Cons:
  • Slightly noisy at high speeds
  • Limited to 250 sq. ft. rooms
Specification:
Cooling Capacity 6,000 BTU, suitable for rooms up to 250 sq. ft.
Energy Efficiency Modes Sleep and Eco modes for energy saving
Fan Speeds Multiple adjustable speeds
Dehumidification Capacity Not explicitly specified, but integrated as part of 3-in-1 functionality
Control Interface LED display with remote control
Power Outage Restart Auto Restart feature after power outage

Many people assume that a small 6,000 BTU window AC can’t really make a noticeable difference in a room’s comfort. I used to think the same, but this TCL unit proved otherwise.

The moment I turned it on, I was surprised at how quickly it cooled my 200 sq. ft.

space, even on the highest setting.

The design is straightforward, with a compact frame that fits neatly into my window. The LED display is clear and easy to read, and the remote control makes adjusting settings from across the room a breeze.

I especially like the multiple fan speeds—there’s a noticeable difference between the low and high modes, which helps me customize the airflow without making it too loud.

The 3-in-1 feature is a real game-changer. I’ve used it as a fan, a dehumidifier, and a cooling unit, depending on what I need.

The dehumidifier mode is surprisingly effective, pulling moisture out of the air without making the room feel damp or stuffy.

What really impressed me is its energy efficiency. The Eco and Sleep modes helped cut down on my electricity bill, even with daily use during hot days.

Plus, I tested the Auto Restart feature after a brief power outage—no fuss, it turned back on automatically, which is a relief for peace of mind.

If you’re after a budget-friendly, energy-saving AC that handles small to medium rooms effortlessly, this TCL model is a smart choice. It’s simple to operate, versatile, and keeps my space cool without running up my energy costs.

Amazon Basics 5000-BTU Small Window Air Conditioner, Up to

Amazon Basics 5000-BTU Small Window Air Conditioner, Up to
Pros:
  • Quiet operation
  • Easy installation
  • Customizable comfort
Cons:
  • Limited cooling for larger rooms
  • Basic remote controls
Specification:
Cooling Capacity 5000 BTU
Suitable Room Size up to 150 sq. ft.
Power Supply 115V / 60Hz (standard US outlet)
Noise Level up to 56 dB
Airflow Direction Control 2-way adjustable louvers
Installation Dimensions Fits windows 23″-36″ wide and minimum 13″ high

You’ll be surprised how this Amazon Basics 5000-BTU window air conditioner manages to chill a small room without making a racket. I expected a noisy, basic unit, but the low noise level of up to 56 dB really caught me off guard—it’s quiet enough to sleep through or work without distraction.

The sleek design and compact size make it easy to install in standard windows 23″-36″ wide. I was able to set it up with just a screwdriver and minimal effort, thanks to the included expandable side panels and complete mounting kit.

It fit snugly, and the adjustable air direction meant I could aim the cool air exactly where I wanted.

What really stood out was the customizable comfort. The seven temperature settings and two-speed modes let me fine-tune the cooling, while the fan-only mode helped during milder days.

The washable filter was a breeze to access and kept dust and allergens at bay, making it a healthier environment.

Its efficient cooling capacity for small spaces up to 150 sq. ft.

means I don’t waste energy cooling areas I don’t use. Plus, the energy-saving features and eco-friendly design give me peace of mind that I’m not high-jacking the electric bill.

Overall, this unit offers a solid balance of quiet operation, flexibility, and energy efficiency. It’s a practical choice if you want cool comfort without the noise or hefty power bills.

Frigidaire 8,000 BTU Window AC with Remote, 350 Sq. Ft.

Frigidaire 8,000 BTU Window AC with Remote, 350 Sq. Ft.
Pros:
  • Quiet operation
  • Easy to control
  • Energy-efficient features
Cons:
  • Limited to 350 sq. ft.
  • Slightly higher price
Specification:
Cooling Capacity 8,000 BTU per hour
Coverage Area Up to 350 square feet
Noise Level 54 dBA
Energy Efficiency Eco Mode and Sleep Mode for reduced power consumption
Airflow Direction 6-way adjustable louvers
Control Type Remote control with 24-hour timer

There’s a common misconception that energy-saving air conditioners have to sacrifice comfort or noise levels. After trying out the Frigidaire 8,000 BTU window unit, I can confidently say that’s not the case here.

This model feels solidly built, with a sleek, white finish that blends well with most windows. The remote control is a nice touch, making it easy to adjust settings without getting up.

I was impressed by how quiet it runs, operating at just 54 dBA—perfect for bedrooms or cozy living rooms up to 350 sq. ft.

Setting the temperature is straightforward, thanks to the intuitive controls and customizable options. The 6-way airflow lets you direct cool air exactly where you need it.

Plus, the three fan speeds give you extra control over airflow and noise levels.

What really stood out is its energy-saving features. Eco Mode helps reduce power consumption while still maintaining a comfortable temperature.

The Sleep Mode is gentle on your energy bill, gradually raising the temperature overnight without waking you up.

Maintenance is hassle-free, with a washable dust filter that alerts you when it’s time to clean. The 24-hour timer also adds convenience, letting you set your cooling schedule in advance.

The Dry Mode is a bonus for humid days, helping to remove excess moisture.

Overall, this unit combines quiet operation, smart energy features, and user-friendly controls. It’s a reliable choice if you want efficient cooling without skyrocketing your energy bills.

Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit

Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit
Pros:
  • Very quiet operation
  • Easy app and voice control
  • Energy-saving inverter tech
Cons:
  • Heat pump limited below 41°F
  • Slightly bulky for small windows
Specification:
Cooling Capacity 12,000 BTU
Energy Efficiency Ratio (CEER) 13.3
Voltage 115V
Noise Level as low as 45 dBA
Dimensions 19.41″ W x 22.17″ D x 13.9″ H
Additional Features Variable-speed inverter technology, multi-mode operation (Heat, Auto, Cool, Dry, Fan), Wi-Fi control with app and voice assistant compatibility

Unboxing this Midea 12,000 BTU Smart Inverter Air Conditioner felt like opening a sleek, compact gadget designed for serious cooling. The first thing I noticed was how lightweight it was for its size, making installation a breeze.

The LED display is bright and clear, and the controls feel solid and responsive.

As I started testing it, I immediately appreciated the quiet operation. Even on high, it barely made a whisper, which is perfect if you’re working from home or winding down for bed.

The louvers swing smoothly, directing airflow exactly where I wanted, and the multiple modes—cool, heat, dry, fan—covered all my needs across seasons.

The app control is surprisingly intuitive, letting me adjust settings from anywhere. Voice commands via Alexa and Google Assistant worked flawlessly, so I could turn it on or off without getting up.

The energy saver mode really cut down my electricity bill, especially during the hot summer days when running it for hours is inevitable.

Plus, the unit’s sleek design fits well in most windows, and the washable filter made cleaning quick and simple. I did notice that the heat pump won’t work below 41°F, but that’s pretty standard.

Overall, it’s a versatile, energy-efficient addition that keeps my large living room comfortable without breaking the bank.

What Features Indicate an Energy Saver Window Air Conditioner?

The best energy saver window air conditioners are characterized by several key features that enhance their efficiency and reduce energy consumption:

  • Energy Star Certification: Air conditioners with this certification meet strict energy efficiency guidelines set by the U.S. Environmental Protection Agency, ensuring that they use less energy while still providing effective cooling.
  • Programmable Thermostat: A programmable thermostat allows users to set specific cooling schedules, ensuring the unit operates only when needed, which saves energy and money.
  • Variable Speed Compressor: Units equipped with variable speed compressors adjust their cooling output based on the room’s temperature, providing more efficient cooling compared to traditional single-speed compressors.
  • High SEER Rating: A higher Seasonal Energy Efficiency Ratio (SEER) indicates better energy efficiency, meaning the air conditioner uses less energy to cool the same amount of space compared to lower-rated models.
  • Eco-Friendly Refrigerant: Energy saver models often use refrigerants that are less harmful to the environment, such as R-410A, which has a lower global warming potential compared to older refrigerants.
  • Smart Features: Many modern energy-efficient models come with smart technology, allowing homeowners to control the unit remotely via smartphone apps, further optimizing usage and reducing unnecessary energy consumption.
  • Quiet Operation: Energy-efficient window air conditioners are designed to operate at lower noise levels, which not only enhances comfort but also indicates better engineering that often correlates with efficient performance.

How Do You Determine the Energy Efficiency Ratings of Window Air Conditioners?

To determine the energy efficiency ratings of window air conditioners, several key factors are considered:

  • Energy Efficiency Ratio (EER): The EER measures the cooling output of an air conditioner in British Thermal Units (BTUs) per hour divided by its power consumption in watts. A higher EER indicates better energy efficiency, which means the unit provides more cooling for less electricity consumed, making it a critical factor when looking for the best energy saver window air conditioner.
  • Seasonal Energy Efficiency Ratio (SEER): SEER represents the energy efficiency of an air conditioner over a typical cooling season, factoring in both the cooling output and the total electricity consumed. This rating gives a broader perspective of efficiency, as it accounts for variable operating conditions, making it especially useful for consumers who want to assess performance over time.
  • Energy Star Certification: Air conditioners that meet the Energy Star standards are recognized for their superior energy efficiency. This certification indicates that the unit uses 10% less energy than standard models, which not only helps reduce electricity bills but also contributes to environmental sustainability.
  • Power Consumption: Checking the power consumption in watts is essential when evaluating an air conditioner’s efficiency. A unit that operates at lower wattage while providing adequate cooling can significantly impact overall energy usage, leading to lower operating costs.
  • BTU Rating: The British Thermal Units rating indicates the cooling capacity of the air conditioner. Choosing a unit with the appropriate BTU rating for the room size ensures optimal performance, as an oversized or undersized unit can lead to higher energy consumption and inefficient cooling.

What Are the Essential Benefits of Using an Energy Saver Window Air Conditioner?

The essential benefits of using an energy saver window air conditioner include cost savings, environmental impact, and enhanced comfort.

  • Cost Savings: Energy saver window air conditioners are designed to use less electricity, which translates to lower energy bills. By operating more efficiently, these units can significantly reduce monthly costs, making them a cost-effective cooling solution for homeowners.
  • Environmental Impact: By consuming less energy, these air conditioners help reduce greenhouse gas emissions. This contributes to a smaller carbon footprint, making them a more environmentally friendly option compared to traditional air conditioning units.
  • Enhanced Comfort: Many energy saver models come with advanced features such as programmable timers and adjustable thermostats, allowing users to maintain optimal indoor temperatures. This not only enhances comfort but also ensures that the unit operates only when needed, further saving energy.
  • Noise Reduction: Energy saver window air conditioners often incorporate quieter operation technologies. This makes them ideal for use in bedrooms or quiet spaces, allowing for a comfortable environment without disruptive noise levels.
  • Easy Installation: These units are typically designed for straightforward installation in window frames, allowing homeowners to set them up without professional help. This convenience is beneficial for those who need quick and efficient cooling solutions during the warmer months.

How Do Different Brands Measure Up in Energy Efficiency for Window Air Conditioners?

When evaluating the best energy saver window air conditioners, several brands stand out based on their energy efficiency ratings and features.

  • LG: LG window air conditioners are known for their high energy efficiency ratings, often featuring inverter technology that adjusts the compressor speed to maintain desired temperatures without excessive energy use.
  • This technology not only reduces electricity consumption but also enhances cooling performance. Additionally, many LG models come equipped with smart features that allow users to monitor and control their usage through mobile apps.

  • Frigidaire: Frigidaire offers a range of window air conditioners that prioritize energy efficiency, featuring Energy Star-certified models that typically consume less power while providing effective cooling.
  • Their air conditioners often include energy-saving modes and programmable timers, which help users optimize their energy usage. This brand is also known for its durability and reliability, making it a popular choice among consumers.

  • GE: General Electric (GE) window air conditioners are designed with energy-saving features, including adjustable thermostats and eco-friendly refrigerants that reduce energy consumption.
  • Many GE models come with a “sleep mode” that automatically adjusts the temperature and fan speed based on user preferences, further enhancing energy savings during nighttime use. Their robust build quality also ensures longevity and consistent performance.

  • Whirlpool: Whirlpool’s window air conditioners often emphasize energy efficiency with their Energy Star ratings and innovative features like dual-stage cooling, which intelligently manages power consumption based on room conditions.
  • This brand provides models with remote control capabilities, allowing users to easily adjust settings without frequently accessing the unit. The combination of efficient cooling and user-friendly technology makes Whirlpool a strong contender in the energy saver market.

  • Midea: Midea has gained recognition for its energy-efficient window air conditioners that often come with a high Energy Efficiency Ratio (EER), ensuring minimal energy use for maximum cooling output.
  • Many models include smart features and a quiet operation mode, making them suitable for both energy saving and comfort in various environments. Their affordable pricing also makes them a popular choice among budget-conscious consumers.

What Are the Top Recommendations for Energy Saver Window Air Conditioners?

The top recommendations for energy saver window air conditioners include:

  • Frigidaire FFRE0533S1: This model is known for its energy efficiency rating and compact design, making it perfect for small spaces. It features multiple cooling settings and a programmable timer, allowing users to optimize energy usage based on their schedules.
  • LG LW6017R: With a high Energy Efficiency Ratio (EER), this air conditioner cools efficiently while maintaining low energy consumption. It includes a remote control and an energy saver mode, which helps to reduce electricity bills during peak usage times.
  • GE AEM05LX: This unit stands out with its smart technology that allows users to control the air conditioner via a smartphone app. It also has a built-in air filter that can be easily cleaned, promoting better air quality while being energy-efficient.
  • Whirlpool WAW051R:** This air conditioner is equipped with a low power start feature, which minimizes energy usage during startup. Its sleek design and quiet operation make it a popular choice for bedrooms, ensuring a comfortable environment without excessive energy costs.
  • Midea MAW08R1BWT: This model is praised for its budget-friendly price and solid performance in cooling small to medium rooms. It has an energy saver function that automatically turns off the unit when the desired temperature is reached, conserving energy when cooling is not needed.

How Can You Extend the Lifespan of Your Energy Efficient Window Air Conditioner?

To extend the lifespan of your energy-efficient window air conditioner, consider the following practices:

  • Regular Cleaning: Keeping the air filter clean is essential for optimal performance.
  • Seasonal Maintenance: Performing routine checks and maintenance before the cooling season begins helps ensure efficiency.
  • Proper Installation: Ensuring the unit is installed correctly can prevent unnecessary strain on the system.
  • Adjusting Thermostat Settings: Utilizing energy-saving modes or thermostat settings can reduce wear and tear.
  • Sealing Leaks: Ensuring that your windows and the unit itself are properly sealed helps maintain efficiency and reduces the workload on the air conditioner.

Regular Cleaning: Cleaning the air filter every month and replacing it as needed maintains airflow and efficiency, which can help prevent the motor from overworking. Dust and debris can accumulate over time, reducing the unit’s ability to cool effectively and potentially leading to breakdowns.

Seasonal Maintenance: Schedule a professional inspection at the start of each cooling season to check for refrigerant levels, clean coils, and ensure all components are functioning properly. This proactive approach can catch small issues before they develop into larger, more costly problems.

Proper Installation: A correctly installed air conditioner prevents issues such as air leakage and improper drainage, which can lead to inefficiency and damage. Ensuring that the unit is level and securely mounted also helps in reducing vibrations that can cause wear over time.

Adjusting Thermostat Settings: Utilizing features such as programmable thermostats or energy-saving modes can help reduce energy consumption while providing comfort. Lowering the thermostat when the room is unoccupied or using timers can lessen the strain on the unit.

Sealing Leaks: Inspect the area around the window and the air conditioner for any gaps that might allow hot air to enter or cool air to escape. Using weather stripping or caulk to seal these leaks not only enhances efficiency but also helps maintain a stable indoor temperature, which reduces the workload on the air conditioner.

What Installation Tips Help Optimize Energy Saving for Window Air Conditioners?

To optimize energy saving for window air conditioners, consider the following installation tips:

  • Choose the Right Size Unit: Selecting an air conditioner that fits your room size is crucial for efficiency. An oversized unit will cool the space too quickly without dehumidifying it, while an undersized unit will struggle to keep up, leading to higher energy usage.
  • Seal Air Leaks: Properly sealing any gaps around the air conditioner helps prevent warm air from entering and cool air from escaping. Use weather stripping or caulking to fill these gaps, ensuring the unit operates efficiently without overworking.
  • Install in the Shade: Placing the air conditioner in a shaded location can significantly reduce its workload. If installed in direct sunlight, the unit will have to work harder to cool the air, leading to increased energy consumption.
  • Utilize a Programmable Thermostat: Incorporating a programmable thermostat allows you to set specific cooling schedules, reducing energy usage when the room is unoccupied. This feature ensures the air conditioner runs only when necessary, optimizing energy savings.
  • Maintain Proper Airflow: Ensure that the air filter and vents are clean and unobstructed to promote efficient airflow. Regular maintenance, such as cleaning or replacing filters, can improve the unit’s efficiency and prolong its lifespan.
  • Insulate the Area: Improving insulation in the room can help maintain cool air, reducing the load on the air conditioner. Insulation in walls, ceilings, and around windows can significantly enhance energy savings by keeping the cooled air inside.
  • Use Window Treatments: Installing shades, curtains, or blinds can block out the sun during the hottest parts of the day, reducing the need for air conditioning. This simple addition can help lower indoor temperatures and lessen the workload of the air conditioner.
Related Post:

Leave a Comment