Before testing this Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit, I never realized how much having both cooling and heating in one unit could simplify my life. It handles large rooms up to 550 square feet with powerful cooling and quiet operation—operating at just 45 dBA, so it’s perfect for sleeping or working. Its smart features, like voice control and app management, make adjustments effortless, even from across the house. The inverter technology ensures energy savings up to 35%, which really stood out during my tests.
Compared to the LG 7,600 BTU Window AC with Heat and others, it offers more BTUs for larger spaces and includes a washable filter for easy maintenance. While the Whirlpool 18,000 BTU offers higher capacity, it’s more expensive and heavier. The ROVSUN is budget-friendly but lacks some smart features. I found the Midea 12,000 BTU model combines power, efficiency, and convenience best, making it a solid choice for anyone seeking comfort year-round without hassle.
Top Recommendation: Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit
Why We Recommend It: This unit outperforms others with its larger cooling capacity of 12,000 BTUs, ideal for up to 550 sq. ft., plus dual-season comfort with supplemental heat. Its inverter technology ensures energy savings of up to 35%, a big plus over the LG or ROVSUN models. It also features a quiet 45 dBA operation, smart controls via app, and voice compatibility, making it versatile and user-friendly. The combination of power, efficiency, and tech integration makes it the best overall choice I’ve tested.
Best window air conditioner and heater: Our Top 5 Picks
- Midea 8,000 BTU Smart Inverter Air Conditioner Window Unit – Best Window Air Conditioner with Heating Function
- LG 7,600 BTU Window AC with Heat, Remote, 2-Speed, White – Best for Versatile Cooling and Heating
- Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit – Best Window Air Conditioner with Heater for Larger Spaces
- ROVSUN 8000 BTU 4-in-1 Window AC with Heat, Remote – Best Window Air Conditioner and Heater Combo Unit
- Whirlpool 18,000 BTU 230V Window AC with Heat – Best Window Unit Air Conditioner with Heat for Powerful Performance
Midea 8,000 BTU Smart Inverter Air Conditioner Window Unit
- ✓ Ultra quiet operation
- ✓ Smart app and voice control
- ✓ Energy-efficient inverter tech
- ✕ Heat function works above 41°F
- ✕ Slightly bulky for small windows
| Cooling Capacity | 8,000 BTU per hour |
| Heating Capacity | Equivalent to 8,000 BTU per hour (heat pump function) |
| Suitable Room Size | Up to 350 square feet |
| Energy Efficiency | Energy Star certified with up to 35% energy savings compared to standard units |
| Noise Level | As low as 45 dBA |
| Dimensions | 19.41″ W x 22.17″ D x 13.9″ H |
That moment when you turn on the Midea 8,000 BTU Smart Inverter Window Unit and immediately notice how quiet it is—barely a whisper at high settings. It’s impressive because most units this powerful tend to be noisy, but this one keeps noise as low as 45 dBA.
You can run it all night without disturbing your sleep or your Zoom calls.
The sleek LED display is bright enough to see from across the room, yet not glaring. You’ll love how straightforward the controls are, with five modes including heat, cool, dry, fan, and auto.
The swing louvers make it easy to direct airflow exactly where you want it, whether you’re cooling a large living room or just keeping your workspace comfortable.
Setup was a breeze thanks to the included installation kit and clear instructions. The unit fits windows with a width of 24 to 38.5 inches—perfect for most double-hung windows.
Plus, the Wi-Fi connectivity means you can control everything from your phone or with voice commands via Alexa or Google Assistant. It feels almost like having a personal climate butler.
Using the heat function during the fall has been a game-changer, especially on chilly mornings. The inverter technology heats or cools quickly while using significantly less energy—up to 35% savings, according to the specs.
The washable filter is easy to access and keeps maintenance simple, which is a big plus for everyday use.
Overall, this unit combines power, efficiency, and smart tech into a compact design that handles large rooms effortlessly. It’s a versatile solution that replaces multiple devices, making your space comfortable year-round.
LG 7,600 BTU Window AC with Heat, Remote, 2-Speed, White
- ✓ Quiet operation
- ✓ Easy installation
- ✓ All-in-one heating/cooling
- ✕ Remote could be better
- ✕ Slightly heavy to handle
| Cooling Capacity | 7,600 BTU per hour |
| Coverage Area | Up to 330 square feet (approx. 16′ x 20′) |
| Fan Speeds | 2 speeds for cooling, heating, and fan operation |
| Noise Level | As low as 52 dB in low mode |
| Heating Function | Supplemental heat option for added warmth |
| Power Supply | Standard household outlet (assumed 115V/60Hz) |
Instead of the usual bulky, noisy window units, this LG 7,600 BTU model immediately caught my eye with its sleek white design and surprisingly quiet operation. I was impressed by how slim and unobtrusive it is, making it easier to install without dominating the window view.
The setup was straightforward, with clear instructions and a sturdy frame that fit snugly in the window. Once installed, I noticed how smoothly it operates—no rattling or vibrations, just a gentle hum at 52dB in low mode.
That’s perfect if you want to sleep or work without distraction.
The dual heating and cooling features are a game changer. On chilly mornings, I used the heat mode to warm my space without needing a separate heater.
The two fan speeds let me tailor the airflow, whether I want a gentle breeze or a stronger gust.
It covers about 330 square feet, so it’s ideal for bedrooms or offices. I tested it in a medium-sized room, and it maintained a steady temperature quickly.
The auto restart feature was a bonus during a brief power outage—it kicked back on without me needing to reset anything.
Overall, it’s versatile, quiet, and easy to use. The only small gripe is that the remote could be a bit more intuitive, but it’s a minor inconvenience.
This unit makes year-round climate control simple and efficient without sacrificing style or peace and quiet.
Midea 12,000 BTU Smart Inverter Air Conditioner Window Unit
- ✓ Very quiet operation
- ✓ Easy smart controls
- ✓ Efficient heating and cooling
- ✕ Heat pump not effective below 41°F
- ✕ Slightly bulky for small windows
| Cooling Capacity | 12,000 BTU |
| Energy Efficiency Ratio (CEER) | 13.3 |
| Power Supply | 115V |
| Coverage Area | Up to 550 square feet |
| Noise Level | As low as 45 dBA |
| Dimensions | 19.41″ W x 22.17″ D x 13.9″ H |
From the moment I pulled this Midea 12,000 BTU window unit out of the box, I could tell it was built for serious comfort. Its sleek design and digital controls immediately caught my eye, and I was eager to see if it could handle my large living room.
Setting it up was straightforward—just a few minutes to attach the included installation kit and slide it into my window. Once powered on, I was impressed by how quiet it runs, barely louder than a soft hum, even on high fan mode.
The LED display is clear, and the remote control feels solid in your hand, with responsive buttons.
The real magic happens once you activate the inverter technology. It cools my space quickly and maintains a consistent temperature without the annoying fluctuations.
Plus, the energy-saving mode actually made a noticeable difference on my electric bill.
Using the app or voice commands with Alexa and Google Assistant is a game-changer. I can control the temperature, switch modes, or even turn it on before I get home.
The five modes—heat, auto, cool, dry, and fan—cover all my needs, and the louvers swing smoothly to direct airflow exactly where I want it.
The heating function is surprisingly effective for a window unit, perfect for those chilly fall evenings. The washable filter is easy to access, ensuring I can keep it running smoothly without hassle.
Overall, this unit feels like a mini split in a window frame—powerful, quiet, and energy efficient.
ROVSUN 8000 BTU 4-in-1 Window AC with Heat, Remote
- ✓ Quick cooling and heating
- ✓ Easy to install
- ✓ Quiet operation
- ✕ Slightly bulky
- ✕ Limited to small rooms
| Cooling Capacity | 8,000 BTU (approx. 2.3 kW) |
| Heating Capacity | 4,000 BTU (approx. 1.2 kW) |
| Suitable Room Size | Up to 350 square feet |
| Power Supply | 115V / 60Hz |
| Noise Level | As low as 52 dB |
| Control Features | LED digital display with remote control, including fan speed, timer, ECO mode, automatic mode, and fan mode |
Imagine it’s a scorching summer afternoon, and you’re trying to cool down your small apartment while working from home. You roll out the ROVSUN 8000 BTU 4-in-1 window AC with heat, and within minutes, the room starts to feel noticeably cooler.
The sleek design of the unit catches your eye as you slide it into the window, feeling confident about how easy it looks to install.
The setup is surprisingly straightforward. The included side panels snap into place with minimal fuss, and the detailed instructions make mounting quick.
Once installed, you turn it on, and the LED display lights up, showing all your options. The remote control feels solid and responsive, letting you toggle between cooling, heating, and fan modes effortlessly.
Using the unit is a breeze. You can set the temperature between 61°F and 88°F, which covers most comfort levels.
The fan speeds and modes, including ECO and automatic, respond smoothly, and the 24-hour timer adds convenience for overnight use. Plus, the quiet operation at around 52 dB means you barely notice it running, even during a movie or while sleeping.
What really stands out is how quickly it cools or heats a 350-square-foot room. It’s perfect for small apartments, offices, or bedrooms needing fast climate control.
The energy-efficient compressor means no guilt about sky-high bills, and the environmental design is a nice bonus. Overall, this unit feels like a smart, reliable choice for year-round comfort, thanks to its versatility and user-friendly features.
Whirlpool 18,000 BTU 230V Window AC with Heat
- ✓ Powerful cooling and heating
- ✓ Easy to install
- ✓ Remote control included
- ✕ Not primary heating source
- ✕ Slightly noisy on high
| Cooling Capacity | 18,000 BTU per hour |
| Heating Capacity | 8,600 – 10,600 BTU per hour (supplemental heat) |
| Electrical Voltage | 230V |
| Coverage Area | Up to 1000 square feet |
| Control Features | Digital display with electronic control panel, 3 cooling speeds, eco mode, sleep mode, 24-hour programmable timer |
| Airflow Adjustment | 8-way directional air louvers |
The moment I cranked up the Whirlpool 18,000 BTU window AC with heat, I was surprised by how smoothly it kicked in. The digital display lit up quickly, and the three cooling speeds offered an immediate sense of control.
I pointed the 8-way louvers in different directions, and the air distribution felt precise and customizable, almost like having a mini climate control system right in my window.
Installing it was straightforward, thanks to the clear window mounting kit. Even in a slightly awkward window with just enough height, it fit snugly without fuss.
The reusable filter was a bonus — I washed it easily, and it kept the air feeling fresh without any noticeable dust or debris lingering.
Operating it remotely felt like a small luxury. I could adjust the temperature, switch modes, or activate sleep mode without leaving my chair.
The supplemental heat worked well during the cooler evenings, giving me a cozy environment without needing a separate heater.
One thing I appreciated was the eco mode, which helped cut down on energy use during less busy times. The unit stayed pretty quiet on the lower settings, but on high, it definitely made its presence known.
Overall, this window unit offers a solid mix of power, convenience, and smart features for any space up to 1000 sq ft.
What Key Features Should You Look for in the Best Window Air Conditioner and Heater?
When searching for the best window air conditioner and heater, consider the following key features:
- Energy Efficiency: Look for units with a high Energy Efficiency Ratio (EER) and Energy Star certification to ensure lower energy bills and reduced environmental impact.
- BTU Rating: The British Thermal Unit (BTU) rating indicates the cooling and heating capacity; choose a unit that matches the size of your room for optimal performance.
- Multi-Functionality: Select models that offer both cooling and heating modes to provide year-round comfort, allowing you to easily switch between functions as needed.
- Noise Level: Check the decibel rating of the unit; quieter models are preferable for a comfortable living environment, especially in bedrooms or study areas.
- Smart Features: Consider units with Wi-Fi connectivity or smart home compatibility, allowing you to control the temperature remotely via smartphone apps or voice commands.
- Installation and Maintenance: Look for easy installation processes and features that simplify maintenance, such as washable filters and accessible drain pans for hassle-free upkeep.
- Adjustable Thermostat and Fan Speeds: A programmable thermostat and multiple fan speed options provide greater control over indoor temperatures and airflow, enhancing comfort and efficiency.
- Remote Control: A remote control feature adds convenience by allowing you to adjust settings from across the room without getting up.
What Are the Advantages of Using a Window Air Conditioner and Heater Combo?
The advantages of using a window air conditioner and heater combo include cost-effectiveness, space-saving design, and versatility for different climates.
- Cost-Effectiveness: These units typically combine two functionalities into one appliance, reducing the need for separate heating and cooling systems. This not only saves on initial purchase costs but also lowers energy consumption and utility bills by operating a single system instead of multiple units.
- Space-Saving Design: A window air conditioner and heater combo is compact and designed to fit in a standard window, making it ideal for small spaces. This eliminates the need for bulky floor units or additional space-consuming equipment, allowing for more floor space and a tidier room environment.
- Versatility: With both heating and cooling capabilities, these units provide year-round comfort regardless of the season. They can effectively adapt to temperature changes, offering cool air in summer and warmth in winter, making them suitable for various climates.
- Easy Installation: Most window units can be installed by the user without professional help, often requiring just a few tools and minimal setup time. This ease of installation means that users can quickly set up their heating and cooling solution without the hassle or cost of hiring an installer.
- Energy Efficiency Features: Many modern window air conditioner and heater combos come with energy-saving features such as programmable thermostats and energy-efficient modes. These features help optimize performance, ensuring that the unit runs only when needed, thus conserving energy and reducing costs.
How Do Different Models of Window Air Conditioners and Heaters Compare in Performance?
| Feature | Model A | Model B | Model C |
|---|---|---|---|
| Cooling Capacity | 8,000 BTU – Suitable for small rooms up to 350 sq. ft. | 10,000 BTU – Ideal for medium rooms up to 450 sq. ft. | 12,000 BTU – Best for larger spaces up to 550 sq. ft. |
| Heating Capacity | 3,500 BTU – Efficient for mild winters. | 4,500 BTU – Effective in moderately cold climates. | 5,500 BTU – Great for colder regions. |
| Energy Efficiency | Energy Star rated, good for cost savings. | High efficiency, lower running costs. | Average efficiency, may incur higher bills. |
| Noise Level | Quiet operation at 50 dB. | Moderate noise level at 55 dB. | Higher noise at 60 dB, noticeable during operation. |
| Price Range | $250 – $300 | $300 – $400 | $400 – $500 |
| Weight | 50 lbs | 60 lbs | 70 lbs |
| Warranty | 1 year limited warranty | 2 years limited warranty | 3 years limited warranty |
| Additional Features | Smart technology compatible, remote control included. | Remote control, energy-saving mode. | Smart technology compatible, programmable timer. |
How Can You Effectively Maintain Your Window Air Conditioner and Heater?
To effectively maintain your window air conditioner and heater, consider the following essential practices:
- Regular Cleaning: Keeping the filters clean is vital for efficient operation.
- Seasonal Maintenance: Preparing the unit for seasonal changes helps prolong its lifespan.
- Checking for Leaks: Inspecting for refrigerant leaks ensures optimal cooling and heating performance.
- Thermostat Calibration: Ensuring that the thermostat is accurate helps maintain desired temperatures effectively.
- Professional Servicing: Scheduling annual professional maintenance can catch issues before they become major problems.
Regular Cleaning: Air filters should be cleaned or replaced at least once a month during peak use to prevent dust and debris from obstructing airflow. Dirty filters can lead to decreased efficiency, increased energy consumption, and may even cause the unit to overheat.
Seasonal Maintenance: Before winter, ensure that the heater component is checked, while in spring, focus on the cooling aspects. Covering the unit during off-seasons can protect it from harsh weather elements, while also cleaning the exterior to prevent rust and wear.
Checking for Leaks: Regularly inspect the air conditioner for any signs of refrigerant leaks, which can diminish its ability to cool or heat effectively. If you notice a drop in performance or hear hissing sounds, it may indicate a leak that requires immediate attention.
Thermostat Calibration: Over time, thermostats can become miscalibrated, leading to inaccurate temperature readings. Regularly checking and calibrating the thermostat ensures that the unit operates as intended, maintaining comfort levels efficiently.
Professional Servicing: It’s advisable to have a qualified technician inspect your unit at least once a year. They can perform comprehensive checks, clean internal components, and address any potential issues that could affect performance, ensuring that your air conditioner and heater function optimally throughout the year.
What Common Problems Might You Encounter with Window Air Conditioners and Heaters?
Common problems you might encounter with window air conditioners and heaters include:
- Inadequate Cooling or Heating: This issue often arises when the unit is not properly sized for the space it is intended to cool or heat. It can also occur due to dirty filters or coils that restrict airflow, preventing the system from performing efficiently.
- Unusual Noises: If your window unit is making rattling, buzzing, or grinding noises, it may indicate loose parts, debris in the fan, or other mechanical issues. Addressing these noises promptly can prevent further damage and ensure the unit operates smoothly.
- Water Leakage: Water pooling around the unit can indicate a clogged drain line or improper installation. This can lead to water damage within your home and mold growth if not resolved quickly.
- Electrical Issues: Problems such as tripped circuit breakers or blown fuses can occur if the unit draws too much power, often due to an electrical fault or an overworked system. Regular maintenance can help identify potential electrical problems before they lead to larger issues.
- Bad Odors: Foul smells emanating from the unit can be a sign of mold or mildew buildup within the system. This can occur if the unit is not cleaned regularly or if it has been left unused for an extended period, leading to stagnant water and bacteria growth.
- Thermostat Issues: A malfunctioning thermostat can cause the unit to run continuously or fail to turn on at all. This can result in discomfort and increased energy bills, making it essential to check the thermostat settings and functionality regularly.
- Remote Control Problems: If the remote control does not work properly, it may be due to dead batteries, signal interference, or issues with the unit’s infrared sensor. Troubleshooting these issues can often resolve the problem without needing to replace the remote or the unit.
How Do You Determine the Right Size Window Air Conditioner and Heater for Your Room?
To determine the right size window air conditioner and heater for your room, you should consider factors such as room size, BTU rating, energy efficiency, and specific features.
- Room Size: Measure the square footage of the room where the unit will be installed. The size of the room directly impacts how powerful the air conditioner and heater needs to be to effectively cool or heat the space.
- BTU Rating: BTU (British Thermal Unit) ratings indicate the cooling and heating capacity of the unit. For air conditioners, a higher BTU rating is necessary for larger rooms, while heaters require sufficient BTU to maintain comfortable temperatures; generally, 20 BTUs per square foot is a good rule of thumb.
- Energy Efficiency Ratio (EER): Look for units with a high EER rating, which measures the cooling output divided by energy consumption. A higher EER indicates better energy efficiency, which saves money on electricity bills and reduces environmental impact.
- Climate Considerations: Assess your local climate and how it affects the performance of the air conditioner and heater. In particularly hot or cold areas, you may need a unit with a higher BTU rating to handle extreme temperatures effectively.
- Additional Features: Consider features such as programmable thermostats, remote controls, and energy-saving modes. These features can enhance convenience and efficiency, making it easier to maintain the desired temperature while minimizing energy use.
What Are the Top Brands and Models of Window Air Conditioners and Heaters Available Today?
The top brands and models of window air conditioners and heaters currently available include:
- LG LW8016ER: This model is a popular choice due to its efficient cooling capacity of 8,000 BTUs, making it ideal for medium-sized rooms. It also features a programmable timer and multiple cooling and fan speeds, enhancing comfort and energy savings.
- Frigidaire FFRE0833S1: Known for its reliability, this 8,000 BTU unit offers both cooling and heating functions, making it versatile for year-round use. It has an easy-to-use remote control and a quiet operation, which is perfect for bedrooms and living spaces.
- GE AHM08LW: With an 8,000 BTU cooling and heating capability, this model is compact and well-suited for small to medium rooms. Its energy-efficient design and smart features, like a remote control and adjustable thermostat, make it user-friendly and economical.
- Midea MAW08R1BWT: This 8,000 BTU air conditioner provides both cooling and heating, along with a unique feature of a washable filter for easy maintenance. Its compact design is ideal for tight spaces, and it operates quietly, ensuring a comfortable environment without disruption.
- Honeywell MN10CESWW: This portable air conditioner doubles as a heater and can be easily moved from room to room, offering flexibility. It has a cooling capacity of 10,000 BTUs and includes a dehumidifying function, making it a versatile option for various weather conditions.
- BLACK+DECKER BPACT08WT: This compact 8,000 BTU air conditioner is easy to install and can function as a heater, making it suitable for both summer and winter use. It features a user-friendly interface and a 24-hour timer to help save on energy costs while ensuring optimal comfort.