Top 10 Best Air Conditioners & Air Heaters Review In 2021

products Lần cập nhật cuối: 15/06/2022

Depending on the place you are living in, you must be experiencing at least one extremity of the weather. It can be the scorching heat of the summer or the bone-chilling winter. You can be prepared for all the seasons if you opt to buy an air conditioner & air heater.

You can cool your room with the air conditioner, you can heat it up in the winter quite effectively, and one can also use the dehumidifier option to clean off the damp air in the air due to the rainy season. We have listed the various types of best air conditioners & air heaters, some of which can be mounted on the wall or window, while others are portable.

List Best Air Conditioners & Air Heaters In 2021

10. Portable Air Conditioner & Heater With Dehumidifier & Fan

By – Avallon

This is one of the best portable air conditioners that come with sturdy caster wheels for moving from one to another room effortlessly. It comes with 14000 BTU air conditioner that can cool an area of 525 square feet comfortably. There are three different fan speeds available to choose from according to the season and temperature inside the room. The noise level is negligible, and one can set a timer to shut it off automatically once the time is reached. The best feature is its intelligent mode which automatically adjusts the fan speed as per the temperature of the room.

The air conditioner has an advanced drainage system thanks to its Invisimist design due to which the condensates evaporate. The product has a dual hose which can be better cooling than the single ones. Furthermore, it is more energy-efficient, and you can operate it with the remote control as well as from the controls available on its body. The company claims that it cools 40 percent faster than AC with a single hose. The heater is of 8800 BTU which is quite effective in the winter season. You can use it in the rainy season with the dehumidifier mode available.

9. Air Conditioner Mini Split Heat Pump

By – PIONEER Air Conditioner

This is an 18000 BTU air conditioner, and it is a split model that can be mounted on the wall. The product comes with the latest Inverter+ technology that makes cooling faster and efficient and save more energy than any other model before it. There is a mini-split heat pump also available which is quite useful in the summer season. The product has superior performance, and the temperature range is 62 to 90 degrees Fahrenheit.

The best part is that you can control it with the remote control as well as from your smartphone with the app from the company. This helps you to turn the AC on before you reach home so that when you enter the room, it can be totally cool to absorb all your sweat. The product is tested and approved of all the safety measures. The air filters are washable, and the operation is very quiet. The outdoor unit has a sturdy construction, and it is ready to face all outdoor weather conditioner and still be operating smoothly.

8. 8,000 BTU Through The Wall Air Conditioner

By – Koldfront

This is a window air conditioner which is what many people opt for because their room is small and the window is the only way out for setting the air conditioner. Therefore, the AC is made for small to medium-sized rooms as it has 8000 BTU and the same is true for the heater as well. The coverage area varies from 300 to 350 square feet depending on the temperature. There are three fan speed settings available which are quite common, but there are four different modes of operation available.

The heater has less capacity and suitable for an area of 100 heat and people have to sit within that area to feel the heat when it is cold and snowing outside. There is a sleep mode available that will save energy at night, and it keeps adjusting the temperature as per the room condition. The turning on and off the compressor in 10 minutes interval saves a lot of power consumption. There are a timer, thermostat, and all the required hardware available.

7. 12,000 BTU Portable Air Conditioner & Heater

By – EdgeStar

This is a compact air conditioner that has a supplemental heat function. The temperature range is 71 to 77 degrees Fahrenheit. Both the popular temperature units are available. The window kit comes with an extendable exhaust hose for moving the air conditioner around the room without any inconvenience. The cooling effect is best for 425 square feet to the maximum extent. The pre-filters are washable while the carbon filters are replaceable.

The air conditioner has a dehumidifier function for rainy and foggy days. The heater function is a great addition to make the product useful in the winter season. The operation is relatively quiet, and the intelligent product saves the last settings, and when it restarts due to power failure, it goes back to the last setting and starts from where exactly it left it. As usual, there are three fan speeds available, and the drainage of condensate is automatic.

6. 18500 BTU 230V Median Slide-Out Chassis Air Conditioner

By – Frigidaire

This is a slide-out chassis AC that can be used as a window AC, as well as a wall, mounted AC. The cooling has 18500 BTU while the supplementary heating has 16000 BTU. This is one of the best air conditioners & air heaters currently. The critical thing to notice here is that it requires a particular 230V outlet and it will not work on the usual 115V outlet. The supplemental heater is the best in the lot, and it is the perfect air conditioner you need to buy if you have large rooms to cover up to 1050 square feet.

The air conditioner also has a vital dehumidification feature due to which it is more suitable for rainy and winter season. Dehumidification is essential from the health perspective as damp air helps the bacteria and the viruses to thrive. There is a cool auto mode that changes the temperature and the fan speed as per the room temperature without any intervention. The energy save mode is important while you are sleeping. The air conditioner has 8-way air direction to fill the entire room from corner to corner. Most importantly, there is a check filter alert system to wash the pre-filters and change the replaceable ones.

5. 9000 BTU 15 SEER Split Air Conditioner & Heat Pump

By – Senville

This is a mini ductless air conditioner for a small room. There is a mini heater available with the air condition for all-season use. It includes an easy installation kit with a copper line set, and hence, you do not have to spend any further money buying a copper wire. The product has an inverter compressor that uses less power and makes it energy efficient. The company offers five years warranty. The heater can operate even when the outside temperature is as low as –5 degrees Fahrenheit. The operation is extremely quiet, and you can choose between different models with different BTU rating depending on the size of your room.

See Also:

Best Alkaline Water Pitchers | Best Dual Hose Portable Air Conditioners | Best Whole House Humidifiers Reviews

4. 8000 BTU 115 Volt Air Conditioner & Heater

By – Frigidaire

This is a slide-out chassis window cum wall installing air conditioner with air heater. There are multiple speed control settings available, and you can set a timer up to 24 hours for automatic shut-off. The cooling capacity is 8000 BTU, and the heating capacity is 7000 BTU with a supplemental heater has a capacity of 3500 BTU. It is convenient for a room of size 350 square feet. There is also a dehumidifier option available to make the air dry during rainy and winter seasons.

The operation is quiet, and it won’t interfere with your regular sleep. The temperature can be set to auto for effortless changing to keep the interior cool all the time. It keeps the last setting in the memory so that when the power comes back, it can restore from the last point directly. It is not a problem if you forget to wash the filter mesh from time to time due to its alert system to warn you. The 8-way airflow makes the cool air reach the corners in no time.

3. Air Conditioner Inverter + Ductless Wall Mount

By – PIONEER Air Conditioner

This is one of the best air conditioners & air heaters on the list due to the use of the latest technology and availability all the essential features with an energy-saving option. The purpose of the Inverter+ technology is the most advanced, and it saves power consumption as well as elongates the lifetime of the compressor. The cooling capacity is 12000 BTU, and the heating capacity also has the same rating. It is a wall mounting split system and the indoor ductless section, and heat pump outdoor section is well-built. The LCD screen has a backlit display so that you can see the reading in the dark.

The airflow distribution is even and consistent, and the reach is up to the far corners. There are four different operating modes available such as cool, auto, fan, and heat. The machine can automatically change the speed of the fan, the temperature as well as the modes in automatic mode. The use of cloud programmable wireless internet access feature makes it possible for the user to turn the AC on and off away from their home.

2. 14, 000 BTU Air Conditioner With Heater

By – Honeywell

Honeywell is one of the most reputed names in the air conditioner industry, and it is the most stylish air conditioner with heater system. It is suitable for a room of size 550 to 700 square feet depending on the temperature. The air conditioner is perfect for all four seasons. There is thermal overload protection. The vertical wind motion distributes the cool air better and faster. The use of the dual filters prevents debris and hair from getting into the product. Therefore, the product sustains for a more extended period, and you can clean the filter for easy maintenance.

The window installation kit is suitable for horizontal as well as the vertical window. There are three fan speeds provided, and you get a sleep mode and a timer. The condensates evaporate automatically, and there is a dehumidifier available to clear the room of the damp air. Your room will be more breathable place, and the product is an ultimate energy saver.

1. 12000 BTU Portable Air Conditioner Unit


This air conditioner cum air heater is suitable for a room of size 250 square feet depending on the room temperature and outside temperature. In the winter, you can use the air heater to drive the cold away and have an enjoyable temperature in the room. The AC is 12000 BTU, and it delivers airflow in the vertical direction which is more powerful and consistent. The product is quite compact and has caster wheels for natural movement.

It has all the modern technology and system for smooth operation and saving power consumption. There are four modes of operations available, and they are cooling, heat, fan, and dehumidification. It is less noisy than most of the competing products. You can use the sleep mode at night, and there is also an auto mode for efficient changing of temperature and airflow. Furthermore, you can use the timer to set a duration after which it will shut-off automatically. Moreover, the power cord is long enough to room around the room, and the use of a self-evaporating mechanism for its condensates makes it have zero maintenance. This is the best air conditioner & air heater you can invest in.

Also Read:

Best Portable Air Conditioners & Heaters | Top Best Mini Split ACs Reviews

Energy Saving Features In Air Conditioners & Air Heaters

One of the things to have in mind before buying air conditioners and air heaters energy consumption. If the ones that you choose to consume too much energy, the bill will go high throughout the whole year. There are some energy-saving features that you want your air conditioners and heaters to have. A little help can make a big difference, so let’s see what they are below.

    Fan-Only Switch: There are times when the weather and temperature are just right. The heater will make things too hot, the air con will be too cold, and non will be stuffy. That is when this switch comes in handy, to provide just the natural and comfortable cooling. It is both convenient and energy-saving, and you will absolutely like what it delivers.
    Filter Indicator Light: This feature lets you know when you need to change the filter. Regular and proper filter changing means good maintenance which prolongs the longevity of the unit. At the same time, it also boosts the efficiency of the air conditioner and air heater as well.
    High-Temperature Rating: Temperature rating in air conditioners is in EER, and it should be greater than 11.6. This feature delivers high-efficiency operation when the weather becomes extra hot in your area.
    Large Coils: The larger the coils, the more efficient the heat transfer will be. That means you will use your heater function less which leads to less energy consumption. When the room is warm enough, you won’t need to turn the heater to a high level at all. This is how the heater helps to save your energy, so don’t forget to look for this feature.
    Programmable Thermostats: It offers more precise control of the temperature to give you just the right comfort. That way, you will be able to use the unit at your preference while saving energy at the same time.
    Variable Speed Blower: As for this function, it helps to reduce electricity consumption. It does so by tailoring the usage to the need which is both energy-saving and convenient to use.

Convenience Features In Air Conditioners & Air Heaters

To make things even more convenient to use, there are some features that you might want your unit to have. Don’t forget to look out for them when buying air conditioners and air heaters.

    Adjustable Louvers: directs your air to a specific location for additional comfort. Some units even come with automatic swing louvers that circulate the air around the room.
    Auto Restart: automatically restarts the motor in case of power outage which is absolutely convenient.
    Digital Controls: are more convenient to use, and you can set accurate temperatures easily.
    Programmable Timer: helps to save energy bills while giving you more control on the unit at the same time.
    Remote Control: allows you to manage the temperature and other settings in the unit from the distance.

To Sum Up

While buying the air conditioner & air heater, do take the room area into consideration. If you have a large room, you should buy the one with higher BTU for effective and faster cooling. If you want to buy a portable AC with a heat pump so that you can use it in any room, it is better to buy the one with a dual hose setup. All the above-mentioned the best air conditioners & air heaters have self-evaporating mechanism for the condensate so that the users do not have to clean the drainage system regularly.

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