5 Best Air Purifier for 1200 sq ft Honest words in 2023

Finding the best air purifier for 1200 sq ft can be a daunting task, especially with so many models and features on the market. With advances in air purifiers, however, there are now more powerful and efficient options than ever before that make it possible to easily improve your home’s air quality even if you have a large area to cover. In this blog post we will take an in-depth look at some of the best air purifier for 1200 sq ft room available today – from their design to what features make them stand out from the crowd – helping you choose one that meets all your needs as well as family budget.

Top 5 Best Air Purifier for 1200 sq ft Room:

The best air purifier for a 1200 sq ft room should be able to effectively and efficiently clean the air of pollutants, allergens, and other airborne particles. Here are five of the top-rated air purifiers on the market that can make any large space more comfortable and healthier.

  • Coway Airmega 300 Smart Air Purifier
  • Hathaspace HSPoo2 Air Purifier
  • Bissell Smart Purifier with HEPA and Carbon Filters
  • Alen Breathesmart Air Purifier
  • IQAIR Healthpro Air Purifier

1) Coway Airmega 300s:

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The AIRMEGA 300S is a premium air purifier with an innovative design that stands out from other Coway models. The device features a sleek iPod-like shape with a bright tone color and intuitive light alert at its center. Rather than using a stand, the device has four legs for a stable and solid build made mostly of metal to ensure it won’t be easily broken.

The AIRMEGA 300S is slightly smaller than the AIRMEGA 400S, measuring 21.2 inches in height, 13.6 inches in depth and width. Despite this slight decrease in size, users can still get full access to the control panel on top without any difficulty while using the device day-to-day.

Looking at the air flow design, AIRMEGA 300S uses a 360 degree air intake grills that has small holes to increase resistance against large objects. The top of the device features a larger air outlet grill and only a small on/off button from the right and two reset buttons on the left for ease of use. Weighing 21.4 lbs, AIRMEGA 300S is not exactly light and portable, but still manageable if you need to move it around your home or office.

Coway Airmega 300s Filters:

The AIRMEGA 300S is a powerful air purifier designed to clean and freshen the air in homes, offices, and other indoor spaces. It uses a Max2 filter which combines an activated carbon filter and a True HEPA filter to capture up to 99.97% of airborne particles as small as 0.3 microns. It has two filter stage, the pre-filter and the Max2 filter.

Pre-Filter: The pre-filter is washable and helps to capture large particles of contaminants, such as pet hair and dust. It’s important to remember to always dry the pre-filter in the shade before re-installing it.

Max2 Filter: The Max2 filter is a combination of an Activated Carbon Filter and True HEPA Filter. This combination helps to capture up to 99.97% of airborne particles, reducing more than 99 percent of volatile organic compounds and reducing fumes such as NH3 and CH3CHO.

The AIRMEGA 300S also boasts a four-color air quality signal which indicates when the air purifier needs cleaning or replacing its filters. Those who want to monitor their indoor air quality from afar, this model has Wi-Fi connectivity so that users can control it through their mobile device.

The filter also costs $99, which is quite expensive, however if you consider that it will last for a year and you are paying $0.2 per day for your clean air it seems like a decent price. All in all, this filter provides powerful filtration capabilities to ensure that your living or work spaces are free of dust, dirt, and other contaminants.

Coway Airmega 300s Room Coverage:

The AIRMEGA 300S has a large room coverage of 1256 square feet, making it one of the best air purifiers in its class. This is more than enough for any standard-sized bedroom or living space, and even smaller apartments can be adequately covered by this model.

The AIRMEGA 300S also features an impressive ACH rating of 2X to 4X, meaning it will clean your room every 15 minutes. This makes it ideal for those who suffer from allergies or other breathing issues as they can rest assured knowing that their air is being constantly cleaned and refreshed.

In terms of CADR (Clean Air Delivery Rate), the AIRMEGA 300S has been tested to have a CADR rating of 300 Dust/ 310 Smoke/ 340 Pollen. This is slightly lower than some of the other models in its class, but it still offers plenty of coverage and should be more than enough to handle most medium sized rooms with ease.

Coway Airmega 300s Sound:

The AIRMEGA 300S is designed to be a very quiet air purifier, thanks to Coway’s commitment to using smaller fans and sacrificing fan power for low noise. On its lowest setting, the AIRMEGA 300S has a noise level of only 22 decibels similar to rustling leaves making it quieter than even the ultra-silent Rabbit Air MinusA2.

Even on its highest speed setting, the sound produced by the AIRMEGA 300S is just 52 decibels, which produces more of a white noise that can easily be slept through. This makes it an excellent choice for bedrooms or other areas where silence is preferred.

Coway Airmega 300s Power Consumption:

The AIRMEGA 300S is one of the most energy efficient air purifiers available on the market. It has a power consumption of only 57 watts, which is quite reasonable to use compared to other models in its price range.

This makes it perfect for larger rooms where more energy is required to operate an air purifier continuously. This model has been awarded an Energy Star rating from the US government for being highly efficient in terms of power consumption and efficiency.

This means that when used for 8 hours a day, the device will cost you about $21 per year in electricity costs, making it one of the most affordable ways to keep your home’s air clean and healthy.

Coway Airmega 300s Additional Features:

The AIRMEGA 300S is an advanced air purifier that comes with a variety of additional smart features. To start off, it has the Smart Sensor which constantly monitors and updates the indoor air quality every minute.

This allows users to get real time feedback on their room’s air pollution level, represented by the LED ring. The Auto Mode feature then automatically adjusts the fan speed according to the detected air quality, so if there is an unhealthy concentration of pollutants in the room it will run at its highest fan speed until it clears up but if it detects clean enough air, it will keep running at its lowest setting.

A unique selling point for Coway products such as this one is Eco Mode where the fan completely shuts off if the air quality has been purified for 10 minutes or more, which helps conserve energy.

Coway Airmega 300s

  • Great air filtration process
  • Premium, strong design
  • Large room coverage
  • Smart App Features
  • Lower performance than expected
  • Price fluctuation

2) Hathaspace HSP002:

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The Hathaspace Smart True HEPA Air Purifier 2.0 is a large-sized air purifier, measuring 27 inches in height and 16.5 inches in width. It is larger than most other console air purifiers on the market, making it ideal for larger spaces.

Its unique design includes an improved 360° air intake that allows it to clean up to 3x faster than its predecessor, the Hathaspace HSP001. The control panel has been upgraded and moved to the top of the device so it is easier to use and features touch controls for a more aesthetically pleasing look with its black background.

This model features an integrated air quality index which enables users to keep track of their current indoor air quality status at all times. The Hathaspace HSP002 is relatively heavy, weighing in at 28lbs, making it better suited for stationary locations and not the easiest to move from one location to another.

However, its powerful fan allows it to deliver consistent air purification coverage throughout larger spaces. Additionally, the device’s advanced filtration system eliminates 99.97% of airborne pollutants such as dust mites, pollen, pet dander, bacteria, viruses and other contaminants.

Hathaspace HSP002 Filters:

This device use filter stages that are designed to capture and remove airborne particles, allergens, pollutants, and other contaminants in the air.

  • Pre-filter
  • Polypropylene Pre-filter
  • True HEPA Filter
  • Activated Carbon filter
  • Cold Catalyst filter 

Pre-filter: The pre-filter captures large particles like pet hair, lint, and other debris. This filter is also washable, so it’s easy to clean and maintain.

Polypropylene Pre-filter: The polypropylene pre-filter has antibacterial treatment coating that helps prevent the growth of bacteria and germs on the surface of the HEPA filter. This filter can capture medium particles, extending the life time of True HEPA filter.

True HEPA Filter: This air purifier runs a H13 True HEPA filter which efficiently removes 99.97% of any airborne particles as small as 0.3 microns such as dust, dust mites, mold spores, pollen and fungi.

Activated Carbon filter: The next Activated Carbon and zeolite filter can adsorb smoke, odors, gases and even formaldehyde. This filter is especially useful for eliminating unpleasant smells in your home.

Cold Catalyst filter: This filter targets Volatile Organic Compounds (VOCs) and chemicals in household products. VOCs are pollutants found in everyday items such as cleaning agents, paint strippers, wood preservatives, aerosols, paints and adhesives. The Cold Catalyst filter removes these types of pollutants from the air so they can’t be breathed in.

Hathaspace also removed the ionizer from this system since they wanted it to be certified by CARB for ozone emissions. This makes the air purifier 100% ozone-free, which is great for those who are sensitive to ozone or have asthma or allergies. The filter life span of the Hathaspace Smart True HEPA Air Purifier 2.0 is 4 months, so you will need to replace it quite frequently.

Hathaspace HSP002 Room Coverage:

The Hathaspace HSP002 room coverage is a very important factor when considering purchasing this air purifier. The manufacturer suggests to use the device in areas up to 1500 square feet, but this is highly dependent on the size of your room and other factors such as its layout, ventilation, furniture placement, etc.

The ACH (Air Changes per Hour) rating of the HSP002 is 4X. This means that it can exchange air up to 4 times per hour. Hathaspace suggests using this device in rooms with only 1X ACH, meaning that it would need to be operated longer or more often than suggested for larger rooms.

The CADR (Clean Air Delivery Rate) of the HSP002 is about 260 cfm in general, but its CADR rating for removing formaldehyde is only 94 cfm. This means that the air purifier may not be able to effectively eliminate toxins from the air in larger rooms.

Hathaspace HSP002 Sound:

Hathaspace Smart True HEPA Air Purifier 2.0 features a whisper quiet operation, making it perfect for use in bedrooms and other Quiet Zones. The low noise level of 30 decibels (db) ensures it won’t disturb your sleep or disrupt your daily activities.

However, the fan speed can be raised to 60 decibels on its highest setting, which can create more noise than ideal. This is typically used when you need to purify a larger area quickly or when there are high levels of particulate matter present in the air.

It is best to avoid using this higher setting during bedtime or for extended periods of time as it may be disruptive to sleep patterns and overall wellbeing.

Hathaspace HSP002 Power Consumption:

The Hathaspace HSP002 air purifier uses a DC motor, which is more power-efficient than the AC motors used in other air purifiers. This helps reduce overall energy consumption while still maintaining an effective and powerful filtration system.

The rated power of the Hathaspace Smart True HEPA Air Purifier 2.0 is 100 watts, which can be more than double previous models such as the Hathaspace HSP001. Despite this, its innovative design ensures that it only consumes as much energy as necessary to effectively filter out pollutants from the air.Due to its low power consumption, running a Hathaspace HSP002 for 8 hours per day will cost you just $36 per year.

Hathaspace HSP002 Additional Features:

The Hathaspace Smart True HEPA Air Purifier 2.0 is a mid-range air purifier that offers a variety of additional features to help improve the quality of your air. It includes a Smart Sensor, which automatically adjusts fan speed depending on the environment’s needs.

This allows you to set it and forget it without having to constantly adjust settings. Additionally, the air purifier has a Max setting, which will run at maximum speed for 60 minutes before returning to its previous running mode.

It also has basic settings such as a timer and light dimmer options helpful for bedroom use, as well as an LED indicator for filter replacement. The filter change reminder can be reset by holding both the Auto Mode and Timer buttons for 3 seconds.

Hathaspace HSP002

  • H13 True HEPA filter
  • 100% ozone-free
  • A bit noisy on highest speed
  • Low performance for the new price
  • High power consumption
  • High annual filter cost

3) Bissell Air400:

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Design wise this Bissell air400 is huge. It has a rectangular shape with titanium color giving it a premium look. The matte black color at the sides enhances the overall design making it look more expensive than what it actually costs.

On front there is an air quality display both in digital and colour coded readings which is the focal point for this design. On the sides there is an air intake and a sensor beside it to help you monitor the air quality index of your room.

Size wise the Bissell air400 measures 27.2 inches in height and 18.9 inches in width, containing a large fan inside along with other components like filters, pre-filters, etc. It weighs 26.5 lbs making it really heavy and difficult to move from one room to another without using double carry handles or something similar to do so.

Bissell Air400 Filters:

It use 3 filtration system to purify the air in your home.

  • Pre-Filter
  • HEPA Filter
  • Activated Carbon Filter

Pre-Filter: A pre-filter is used to capture the large objects of pollutants, like pet hair, fur and large dust particles. This filter is washable and permanent.

HEPA Filter: The pleated High Efficiency Particulate Arrestance (HEPA) filter can trap 99.7% of 0.3 microns particles or larger.

Activated Carbon Filter: The honeycombed Activated Carbon filter is engineered with actual pieces of carbon, that are designed to capture odor causing gases and Volatile Organic Compounds (VOCs).

The Bissell air400 has been certified by the California Air Resources Board (CARB) for safe ozone emission due to its mechanical filters only setup. It performs surprisingly well for a room size up to 200 square feet and runs for 1 hour.

It can trap 0.3 microns particles or larger with a score of 99.9%. This efficiency is higher than the TruSens Z-2000, Vornado PCO300, Oreck Air Response Large, and even the more expensive Vornado AC550.

Bissell Air400 Room Coverage:

The Bissell AIR400 24791 is a powerful air purifier that can be used to filter particles from the air in both large and small rooms. Its recommended room coverage is 300 to 400 square feet, but recent claims suggest it can cover up to 1200 square feet.

Its ACH (Air Changes per Hour) rating is 1X to 3X and its CADR (Clean Air Delivery Rate) ratings are 307 Dust/ 279 Smoke/ 206 Pollen (cfm). This means that in a standard room size of 400 square feet, it should take only 20 minutes for the Bissell AIR400 24791 to cycle through the entire room and clean all the particles out of the air. In larger rooms, such as those up to 1200 square feet, it would take an hour to do the same job.

Bissell Air400 Sound:

The Bissell AIR400 24791 sound is one of the best on the market when it comes to quiet operation. It has a dedicated Sleep Mode that keeps the sound level low, coming in at only 30 decibels – which is just quieter than a whisper.

This mode allows those who are light sleepers to run the air purifier without being disturbed by noise. When running on its other fan settings, the noise level can reach as high as 65 decibels – which is slightly above common noise levels.

This higher setting can be used for quick clean-ups but should not be used while sleeping or when trying to keep things quiet. It has five different fan settings that allow you to control just how much noise it makes.

Bissell Air400 Power Consumption:

The Bissell air400 is a great air purifier for those looking for an energy efficient model. It features a DC motor that helps to keep the power consumption down to 108 watts, which is a bit better than the Bissell air320.

This low power consumption makes the Bissell air400 Energy Star certified, although it can’t be found on the official listing. The power consumption is still high compared to other models in the market, but it is still much lower than other comparable models and should not be considered excessive.

When used for 8 hours per day, you will only need to spend about $39 annually on electric bills due to its relatively low wattage consumption; this makes it a great choice for households looking for an energy efficient air purifier that won’t break the bank.

Bissell Air400

  • Modern design
  • Excellent air filtration system
  • Attractive Air Quality Display
  • Quite noisy on highest speed
  • High power consumption

4) Alen Breathesmart 75I:

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The Alen BreatheSmart 75i is an air purifier that has been designed for optimal performance in larger spaces, such as a living room or bedroom. It features a sleek metal body with 14 different color options available to customize the look of this device.

The design also makes it one of the heavier devices in the Alen line, weighing 27 lbs. In terms of size, the Alen BreatheSmart 75i measures 27 inches tall and 17 inches wide, which is slightly larger than its predecessor, the Alen BreatheSmart Classic.

Its robust metal construction ensures durability and longevity while still being lightweight enough to be moved around your home should need be.

Alen Breathesmart 75I Filters:

This device use 3 stage filtration system, which is a combination of True HEPA filter (99.97% efficient for capturing particles as small as 0.3 microns), pre-filter (to capture large particles and extend the life of the True HEPA filter) and ionizer (to improve air filtration efficiency).This Air Purifier has a real True HEPA filter and 4 options to choose from, as shown below.

Pure: This filter is the basic and standard True HEPA filter that can trap particles as small as 0.3 microns.

Fresh: This filter adds an antimicrobial compound to the True HEPA filter, providing protection against bacteria and microbe growth.

Pet: This air filter is specifically designed for pet owners who need an extra layer of protection against pet dander and other allergens.

Heavy Odor: This air filter uses a molecular conversion powder to ensure heavy pet odors are destroyed at a molecular level.

The air purifier also offers a range of features such as auto-mode and nightlight, which helps to maintain the desired level of cleanliness without having to manually adjust. The Smart Sensor feature is also available on this device, allowing it to sense when the surrounding area has an increased amount of contaminants present, and then adjust its fan speed accordingly. This ensures that the air quality is always kept at an optimal level.

Alen Breathesmart 75I Room Coverage:

The Alen BreatheSmart 75i has a room coverage of up to 1300 square feet, making it the largest device from the brand. This range is suitable for larger living spaces such as apartments, dorms, or offices. It will clean the air effectively in rooms of 350 square feet or less on its lowest setting.

The ACH (Air Changes per Hour) rate is 2X to 5X, meaning it can filter twice an hour in a room of 1300 square feet and much faster for smaller areas. It’s CADR (Clean Air Delivery Rate) rating is 355 Dust/350 Smoke/400 Pollen (cfm).

While this fan power isn’t as powerful as some higher-end models such as Dyson’s Pure Cool Link, Dyson Pure Hot+Cool or Dyson Pure Cool Tower, it is still more than adequate for its size and room coverage. It will effectively remove allergens, pollutants, dust, bacteria and other airborne particles to promote better air quality.

Alen Breathesmart 75I Sound:

The Alen BreatheSmart 75i is a powerful yet quiet air purifier. It is equipped with a True HEPA filter, which can effectively remove 99.97% of particles as small as 0.3 microns from your indoor air. This allows it to eliminate household allergens, pet dander, mold spores, and other airborne pollutants. The fan motor runs at quiet levels on its lowest setting (25 decibels) so it won’t disturb your peace or sleep. Even at its highest setting (49 decibels), the sound level remains lower than that of normal conversation.

Alen Breathesmart 75I Power Consumption:

The Alen BreatheSmart 75i is one of the most powerful air purifiers available, and it operates with an energy consumption rate of just 45 watts on its highest speed. This makes it extremely energy efficient, even more so than other models that have earned an Energy Star rating.

When used for eight hours per day, the estimated annual electricity cost for running this model is only $16. Not only does this air purifier consume less power than others in its class, but it also runs at a remarkably low noise level. Many customers were surprised to find out that their unit was functioning correctly after thinking that it was turned off because of its silent operation.


Alen Breathesmart 75I Additional Features:

The Alen BreatheSmart 75i air purifier is equipped with a range of additional features to make sure it works optimally in any environment.One of the most impressive features of this model is its Smart Sensor, which helps it detect and respond rapidly to changes in air quality.

This sensor can accurately monitor the levels of pollutants in your home and adjust the fan speed accordingly for optimal cleaning power. The indicator light will also change depending on how bad the air quality is; blue indicates that no additional action needs to be taken, while red means that high-speed operation is needed to tackle the pollutant problem quickly.

The lights-off mode ensures that you won’t be disturbed during sleep, while basic functions like Timer and LED for filter replacement are also included. In addition, the lock function ensures that children won’t be able to access or change the control panel settings. All of these features combine to make sure the Alen BreatheSmart 75i is a top-of-the range air purifier.

Alen Breathesmart 75I

  • Excellent performance
  • Large room coverage
  • Very quiet
  • Lifetime Warranty
  • The starting cost is a bit too high
  • A bit low CADR rating

5) IQAIR Health Pro:

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The IQAir HealthPro Compact is a top-of-the-line air purifier from the Swiss manufacturer. It is the smallest of their flagship models and comes with a full stainless steel body, bottom-to-top air flow structure, and curved edges at the bottom for extra comfort.

It also features an optional set of 4 wheels for portability. Unique to this model is 3D Ultra Seal technology which prevents polluted air from escaping without being purified first. This ensures that only clean, safe air passes through your living space.

It has EvenFlow Diffuser Technology which distributes fresh air evenly in the room thanks to its 320 degree outlet airflow design – another feature exclusive to this model. The IQAir HealthPro Compact is 26.5 lbs in weight, making it the lightest of their top 3 flagships and much more portable than some of their other models.

Whilst it might not be as lightweight as some other air purifiers on the market, its impressive performance and design make up for this. All in all, the IQAir HealthPro Compact is a great choice for anyone looking for a powerful yet compact air purifier with an emphasis on quality and reliability.

IQAIR HealthPro Filters:

The IQAir HealthPro Compact is an air purifier designed specifically for those with limited space or who need a more powerful and efficient air filtration system. It features two stages of air cleaning.

  • PreMax-filter
  • HyperHEPA filter

PreMax-filter: The PreMax filter is a powerful pre-filter designed to capture and reduce large airborne pollutant particles such as pollen, pet hair, and dust. As the first layer of defense in this air purifier system, it helps protect subsequent filters from clogging up quickly. This filter should be changed every 18 months for optimal performance.

HyperHEPA filter: The HyperHEPA filter is the main line of defense against airborne contaminants. It uses patented technology to capture 99.97% of particles down to 0.3 microns in size such as bacteria, viruses, mold spores, dust mites, and other allergens or pollutants. Not only that but it can also catch ultrafine particles (down to 0.003 microns) with 95% efficiency.

This makes it one of the most powerful air filtration systems available in a compact size. Furthermore, as this filter is intended for long-term use, its replacement cost is slightly higher than other high-end machines but users can expect quadruple the time of usage compared to regular filters.

IQAIR HealthPro Room Coverage:

The IQAir HealthPro Compact is designed to cover up to 1240 square feet in a single room, which is significantly larger than many of the other air purifiers on the market. This means that it can effectively clean and purify large areas quickly and thoroughly.

The ACH (air changes per hour) rating is 5X for this device, meaning that it can clean a room every 12 minutes. With its New Edition fan, the IQAir HealthPro Compact can deliver up to 41% more clean air than some of its competitors with the same CADR (clean air delivery rate).

In addition, the IQAir HealthPro Compact has an ultra-quiet design while still providing superior performance due to its advanced filter technology. This makes it ideal for homes, offices, and other environments where air quality is a concern.

IQAIR HealthPro Sound:

IQAir HealthPro Compact is one of the most advanced air purifiers available on the market, designed to deliver superior performance in large room while still operating with a barely audible sound. It is equipped with an aerodynamic fan design and 8 shock absorbers that allows it to achieve very low noise levels (22 decibels) at its lowest setting.

This makes it as quiet as a whisper or rustling leaves and nearly silent even at its highest setting (57 decibels). Furthermore, this noise level is much lower compared to other air purifiers such as the Blueair Classic 605 (62 decibels) or AIRMEGA 400S (52 decibels), while still being more affordable than models like Alen BreatheSmart 75i which produce 49 decibels of sound.

IQAIR HealthPro Power Consumption:

The IQAir HealthPro Compact is an incredibly energy-efficient air purifier, consuming only 20 watts at its lowest setting and 135 watts at the highest fan speed. It runs on less than 1 watt when in standby mode. This allows it to run for long periods of time without draining your power bill.

This air purifier features a specially designed motor that has been optimized to reduce noise, ensuring you don’t have to worry about intrusive noise while it’s running.When running 8 hours a day, the IQAir HealthPro Compact will cost anywhere from $8-$50 annually, depending on which settings are used most often.

That makes it one of the most economical air purifiers around – all while still providing excellent air purification. It also comes with a 5-year warranty, which is another indication of the high quality and durability of this particular air purifier.

IQAIR HealthPro Additional Features:

The IQAir HealthPro Compact offers a number of additional features that make it stand out from other air purifiers. It comes with an advanced timer, allowing you to program when the unit should operate and how many hours per day.

This lets you choose the best times for operation, such as at night when fewer people are in the room or during peak pollution  periods. The remote control allows you to set up filter-life monitoring so that you can easily keep track of when your filters need changing and it will even alert you with color-coded lights if they need replacing soon.

This model has an advanced fan speed selection option which allows you to set a fixed fan speed over a particular time period. This is especially useful for those who want to maintain a certain level of cleanliness without having to constantly adjust the speed.

IQAIR HealthPro

  • Perfect performance rating
  • Well-built with highest quality materials
  • Remarkable Technology and Fan Power
  • Extra large room coverage for 1125 square feet
  • Impressive quiet
  • 5-year warranty
  • In high-range segment
  • No Smart Sensor


A good air purifier is an essential part of any home. By considering factors such as power consumption, room coverage, and budget, it is possible to find the ideal air purifier that meets your specific needs and requirements. After looking at the various models available on the market, it is clear that ALEN BREATHESMART 75I and IQAIR HEALTHPRO Air Purifier are the best choices for those looking for a powerful, efficient air purifier with wide coverage. For those on a budget or seeking more affordable options, Coway Airmega 300s, Hathaspace Smart 2.0 and Bissell Smart Purifier provide excellent value for money.

Relative F.A.Q.

Is it better to have one large air purifier or multiple small ones?

The choice between one large air purifier or multiple small ones depends on several factors such as room layout, budget, and air-cleaning needs. A large air purifier can effectively clean the air in a large room, while multiple smaller ones can provide targeted air purification in different areas. Ultimately, the best choice will depend on your specific needs and preferences.

How big should my air purifier be?

When shopping for an air purifier, it’s important to consider the size of the room or area you plan to use it in. The size of your air purifier should be based on the square footage of the space you’re trying to clean. A small room (up to 100 sq. ft.) requires a smaller purifier with a lower CADR rating, while larger rooms (400 sq. ft. or more) require larger purifiers with higher CADR ratings.

Take the time to measure your space accurately before purchasing an air purifier so you can choose one that fits the size of the room and is powerful enough to adequately clean the air.

Should you run air purifier constantly?

The answer to whether you should run an air purifier constantly will depend on the type of air purifier you have. Generally speaking, there are two main types of air purifiers: ones that use a mechanical filter (such as HEPA filters) and those that use ionizers or ozone generators (which create ions or ozone in the air to help eliminate contaminants).

For mechanical filter air purifiers, it is safe to run them constantly. However, you should change the filter regularly (usually every few months) to ensure the purifier is working at optimum efficiency.

If you have an ionizer or ozone generator air purifier, it is generally not recommended to run it constantly. Long-term exposure to ozone can be harmful to people and pets, so it is best to only use these purifiers when necessary.

Do you sleep better with an air purifier?

The answer to this question depends on a variety of factors, including the type and size of air purifier you use and your individual sleep habits. Air purifiers work by filtering out airborne particles such as dust, pet dander, mold spores, and other allergens from the air in your home. This may help to reduce symptoms of allergies and asthma, leading to better sleep.

Air purifiers can also reduce odors in your home. This can help create a more inviting and comfortable atmosphere for sleeping. The noise of some air purifiers may be soothing for some people, which can provide them with an improved sleep environment.

How many hours should air purifier used?

The recommended usage time for an air purifier varies depending on the type, model and size of your device. Generally speaking, you should use your air purifier for at least 8-12 hours a day in order to ensure that its filters are able to effectively clean the air. For larger rooms or spaces, it is best to leave your air purifier running for longer periods of time.