Where Should You Place An Air Purifier?

How to place an air purifier

Air purifiers are designed to rid the air of allergens and pollutants like pollen and pet dander that we inhale on a daily basis, as well as those invisible gases in the air that give off an unpleasant smell. Like any appliance, it's important to place your purifier in an area where it will be most effective.

In this article, we'll explore some popular choices for placement for different types of households. Along with each is our recommendation for best use based on our experience evaluating the products' performance.


What is an air purifier

Air cleaners have been used for a long time to purify the air in a home. Air cleaners have been used for a long time to purify the air in a home.

There are a variety of ways you can filter the air inside your house. The most common is an air cleaner, which uses water mist to trap dust, pet hair and other debris that might be floating around your environment. These are most common in hotels and dorm-style apartments where there's not much room for ventilation.

If you use one of these units, it's important to place it far away from any central heating or other sources of heat so that the warm air doesn't dry out the unit prematurely.

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Where should an air purifier be placed in a room?

To find the best position for your air purifier, plug it in and run it for a few hours to see how the device performs. If that's not possible or if you're worried it will harm your electronics, it's best to start by placing it in the center of the room and then move it around to different spots.

There are some general rules of thumb that you can follow:

Place your air purifier in the room where you spend the greatest amount of time. Generally, this is your living room or bedroom. If there are specific rooms where you spend a lot of time, such as an office or a basement workshop, place a purifier at each entrance to keep allergens from entering the other areas. Generally, this is your living room or bedroom.

How far from the wall should an air purifier be?

A typical air purifier will have a recommended distance from the wall, usually around 18-24 inches. It's important to keep it at least this far away so that it can pull in fresh air from all directions. If it's too close to the wall, the air flow might be restricted and you may not get all of the coverage you're expecting.

It's not necessary to place an air purifier directly on a wall unless there's a plug nearby. Usually these are mounted on tables or desktops using included mounting equipment.

Where should you not put an air purifier?

Air cleaners should not be placed near any source of heat as they will dry out the air if they're too close to a space heater, fireplace or central heating system. They should also be kept away from television sets or other electronics, since their fan blades are not protected and could cause damage to nearby objects if it's too close.

In addition, never place an air cleaner on a stand that's directly over carpeting or upholstered furniture.

Which way should air purifier face?

It's important to face your air purifier away from the wall so that the fan does not restrict the air flow.

There are some guidelines for placing an air cleaner, but ultimately it's best to try a few placements and see which works best. As soon as you position your unit, move it around a little bit to see if it can draw more of the smoky or polluted air out of your environment.

Air purifier placement

Kitchen: The Kitchen is one of the least practical places to put your air purifier since there are so many food particles in your air that will settle on surfaces from chopping vegetables or deep things like frying fish sticks.

Living Room

Try placing the unit between you and your television, five feet or more from each. This gives you the maximum protection from dust and other allergens.


A great idea for those with flooding problems and a retired furnace! Always start at the top of the stairs (left) and move forward down the hall (right). So that you pull in all of that stagnant air, pulling it into your purifier.


A good place for the purifier, but keep it high up and far away from your bed so that any dust mites to settle on you. If you have allergies, try putting it on a high shelf or the top of a dresser.


If it's just you at home and you're in your office for most of the day, put your air purifier in front of you near a window so that it pulls in fresh air as you work.


Put it right next to the sink and tub for maximum protection from mold spores that can spread throughout the whole bathroom. If you have a shower, put it next to the shower head and next to the toilet for the best protection.


Place your air purifier on the floor in front of your door to get fresh air from all directions. This will help to keep dust, allergens and other pollutants from entering your home. Just make sure that there's at least an 18-inch clearance

Air purifier effectiveness

The more dust and dirt it filters out, the better. Air purifiers work by sending clean air from outside into your house, through a fan. It will then be drawn into the unit and filtered as much as possible before being released back outside again.

While there is no way to remove all dust or allergens from the air, a great air purifier can cut down on it significantly. Some of the best ones will be able to get most particles out of the air, while still allowing for some fresh air to enter your house through vents. For asthma and allergy sufferers, this is a great way to reduce symptoms and have much healthier living conditions.

This is also good news for families with pets who are often sources of extra dust in your home.

Air purifier health benefits

There are several health benefits to having a Air Purifier. These are:


Allergens are things pollute the air, and cause allergic reactions and asthma attacks in some people. Air purifier helps to reduce the allergens in your home, to prevent you from having these problems.

Dust particles.

Dust particles are tiny pieces of dirt that are in the air all around you. Air purifiers will clean up these dust particles and get rid of them before they become a problem for you.

Mold spores.

Mold spores are small dust-like particles that can grow into mold. Air Purifiers will get rid of mold and keep it from growing in your home.

Smoke particles.

Smoke particles are a byproduct of burning things, like tobacco or wood.

Dust mites.

Dust mites may be microscopic, but they create a big allergy problem in your home. Air Purifiers will get rid of dust mites to make sure you're not allergic to them.

VOCs (Volatile Organic Compounds)

VOCs are harmful chemicals that are released when things like paint, carpets, and other building materials release gases. An air purifier can help clear these toxins from the air before they become a problem for you and your family members.


Bacteria are the little germs that can come from the air. It can cause all sorts of terrible illnesses including some deadly ones. Air Purifiers will get rid of bacteria in your home to help keep you safe and healthy.


Pollen is a type of microscopic pollen that comes from trees, plants, grasses, and so on. Air Purifiers will get rid of Pollen to keep it off you and your family members.


Odors are smells that you can smell in the air. Air Purifiers will get rid of odors to keep smells from bothering you.

Is an air purifier necessary?

Air purifiers are a great way to reduce or eliminate many of the harmful pollutants in your home. Although they have gotten a lot of bad press, and people tend to be very concerned about their health, there are many healthy benefits as well.

There are two main ways that air purifiers help you: First, they remove the majority of dirty or smoky air from your home and then deliver filtered "clean" air back into your house.

Are air purifiers a waste of money?

This is a common claim, but isn't necessarily true. Air purifiers are not a waste of money. First, they don't need to be used all the time. When you first install the unit, you will need to run it every day for at least a few hours to get it set up properly and get the air quality to where you want it. As soon as you do that however, this is no longer necessary.

Can you use an air purifier with the windows open?

It is best to keep the window closed while running an Air Purifier. The reason is that it will be easier to keep your home at a good temperature since you will not be losing energy or allowing outside air to come in. Another reason is that it will reduce the amount of dirt and dust floating around in your home.


This is the end of the article and I hope it gave you all the information you need to select an air purifier for your home. Remember that these devices can be a great way to make your home a safer and healthier place for you and your family.

I hope that you learned many things from this review and I hope that however you decide to use an air purifier in your home, it works well for you!

Where to place an Air Purifier will be different for each person. If your main concern at this moment is "Is my air purifier what I need right now?" then you may want to purchase one of the many types of air purifiers available on the market.

  • FDA-Cleared Air Purification: Molekule Air Pro is FDA-cleared as a 510(k) Class II medical device to destroy viruses, bacteria, odors, smoke, pet dander, mold and other pollutants..WiFi-enabled : 2.4 GHz. Cord length : 70.87 in. (180 cm)
  • Designed for Large Spaces: For large residential or business spaces and high-traffic areas up to 1000 sq ft, such as living rooms, kitchens and home offices with 3x the airflow of Molekule’s award-winning consumer devices.
  • PECO vs. HEPA Filters: Photo Electrochemical Oxidation (PECO) filters work at the molecular level to destroy indoor air pollution, not just capture it to provide cleaner air.
  • Portable Air Purification: With its vegan leather handle, Molekule Air Pro can be easily carried and plugged in anywhere in the home or business for increased flexibility.
  • Particle & Chemical Sensors: Detect and categorize VOCs and a range of air particles from 10 microns down to 0.3 microns, including PM10 (pollen) and PM2.5 (dust), and particles smaller than PM1 (smoke).
  • Two Auto-Protect Modes: Standard and Quiet mode automatically regulate the air purifier fan speed based on the detected particle levels, as well as a 6-speed manual mode for custom purification.
  • Smart & connected: Easy-to-control touch-screen interface with Wi-Fi capabilities using the iPhone or Android app.
  • Ozone-Free Air Purification: No worries, not only does the Molekule Air Pro not emit ozone, it destroys it.
  • VOICE OPERATED: When life gets out of hand, Molekule is hands-free with voice-operated Alexa compatibility
  • Reduced Noise Level: The whisper quiet, 33-decibel low fan speed is sonically unobtrusive.
  • Connected: WiFi connected; See real time reports, remotely control your machine and create schedules around your day using the Dyson link app
  • The latest Dyson purifying fan; It senses pollution and allergens, captures them in a sealed HEPA activated carbon filter, and projects purified air around the room
  • Projects: projects purified air throughout the whole room
  • Voice Control
  • Perfect for Extra-Large Open Plan Area: With a CADR of 466 m³/h / 274 CFM, the LV-H133 is specially designed for rooms with large open floor plans such as living rooms, kitchens, loft apartments, basements and mancave. Enjoy fresh air in only 30 minutes in rooms as large as 1150 ft²
  • 3-Stage Filtration: Ease sneezing, congestion, and other allergy symptoms caused by airborne contaminants. The H13 True HEPA Filter captures at least 99.97% of particles 0.3 microns in size, such as dust, pet dander, pollen, and smoke particles
  • Automatic Comfort: When Auto Mode is switched on, the built-in infrared sensor will detect the air quality and adjust fan speeds to an optimum level. With such simple operation, you can always enjoy fresh air with ease
  • GENUINE LEVOIT FILTERS: Only use genuine Levoit replacement parts to maintain the best performance (Search for LV-H133-RF or B07DVWWC44)
  • Low Cost, Long Lifespan: With a rated power of 49W, you can use the LV-H133 all day during times of high pollution without inflating your energy bill. The unique bionic shock absorption design prolongs the life cycle of the engine for up to 20,000 hours
  • Whisper-Quiet: You’ll forget your air purifier is even there. Turn off all the display lights and select Sleep Mode for noise levels as low as 25dB, so you can enjoy clean air without interrupting your rest
  • Easy to Use: Enjoy clean air at your fingertips. Set a timer for 1–12 hours to match your schedule. The convenient Check Filter Indicator will let you know when it’s time for a replacement. After replacing your filter, press the filter button and hold the Check Filter Indicator button for 3 seconds to reset it
  • Trustworthy and Safe: Levoit, as well as our professional Customer Support Team, is headquartered in Southern California. The LV-H133 is CARB Certified, FCC Certified, ETL Listed, and Energy Star Certified

Other Questions

Do air purifiers make noise?

No, actually the noise of an air purifier is minimal and it is comparable to the noise generated by a typical household fan. The average Air Purifier make a rattling noise of about 30-40 decibels

Can an air purifier clean more than one room?

It is recommended that you have a different Air Purifier for each room. This way you can take advantage of the different power settings and/or efficiency levels of each unit. Air purifiers often come with remote sensors that will let you know when the filter needs to be changed or when the air quality in a particular room is beginning to get worse.

You usually have to replace the filters about once every 3 months, depending on how dirty your air is and how much dust and impurities need to be removed from your home.

Why are air purifiers so expensive?

It's not that expensive. Air purifiers are an investment in your health and comfort. Remember, this machine is working for you year round. They will help you breathe better and will keep your home safe from allergens and other contaminants.

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Nick Le Page

 An air purifier is a device designed to remove dust, pollen, smoke, soot, mold spores, smog, and other airborne pollutants from the air.

If you want to keep your home clean and free of contaminants—and save money on heating and air conditioning bills—quality air purifiers are a powerful first step.

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