Where Is the Best Place to Put an Air Purifier?

An air purifier can be a great addition to any home, but where you place it can make a big difference in how effective it is. In this paper, we will examine the principles of air purifiers, look at the best placement options, discuss factors to consider, go over common mistakes, and provide tips for getting the most out of your air purifier. With some knowledge on optimizing placement, you can create the healthiest home environment possible.

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Understanding the Principles of How Air Purifiers Work

Air purifiers employ filters to ensnare airborne particles such as dust, dander, and smoke. A fan facilitates the extraction of contaminated air through these filters, capturing pollutants before redistributing purified air back into the room.

Achieving optimal efficiency requires selecting an air purifier of suitable size for the designated room and strategically placing it to maximize air filtration. Proper placement is crucial to ensure that a higher volume of contaminated air traverses the filters, enhancing the overall effectiveness of the air purification process.

The Importance of Air Purifier Placement

Where you install an air purifier has a major impact on its performance. With proper placement in the right sized room, air purifiers can cycle a room’s air multiple times per hour. Poorly placed units may only filter a room’s air a couple times or less, allowing contaminants to build up. Positioning air purifiers thoughtfully makes them more efficient at removing allergens, odors, smoke, and other pollutants.

The Best Places to Place Air Purifiers

The Best Places to Place Air Purifiers
Source: thespruce.com

When contemplating the ideal placement for an air purifier, it is essential to select locations that facilitate the filtration of a substantial volume of air. Consider the following key areas within a home for optimal placement:

  • Bedroom. Given the considerable time spent in the bedroom, especially during sleep, it becomes a pivotal space for ensuring clean air. Strategically placing the air purifier near the bed maximizes its benefits by directly addressing the air quality in this significant area.
  • Living Room. Commonly frequented spaces like the living room stand to gain from continuous air purification. To optimize the reach and effectiveness of the air purifier, a central location in the living room is advisable.
  • Kitchen. The kitchen often harbors cooking odors, smoke, and grease, constituting common pollutants. Introducing an air purifier into the kitchen environment aids in the removal of these contaminants, contributing to a healthier indoor atmosphere.
  • Home Office. Home offices are prone to accumulating allergy-inducing dust and pet dander. Placing an air purifier in close proximity to your desk serves to directly filter the air within your breathing zone, effectively addressing and mitigating potential respiratory irritants.

Factors to Consider When Placing an Air Purifier

When determining the optimal placement for an air purifier, it is crucial to consider several key factors:

  • Room Size. Careful consideration of the room size is paramount. Air purifiers operate most effectively when positioned in rooms that align with their recommended coverage capacity. It is essential to avoid using units designed for larger spaces in smaller rooms, as this can result in underperformance.
  • Airflow in the Room. To ensure optimal performance, it is vital to place air purifiers in locations where their intakes and outlets remain unobstructed. Furniture, walls, or any obstacles that impede proper air circulation should be avoided.
  • Source of Pollutants. Strategic placement of air purifiers near sources of contaminants, such as litter boxes, stoves, or fireplaces, is advantageous. This positioning allows the purifier to directly capture particles emitted from these sources, enhancing its overall effectiveness.
  • Proximity to Electronics. Caution should be exercised to prevent placing air purifiers directly adjacent to electronic devices or heating/cooling vents. Such positioning has the potential to impede airflow, diminishing the unit’s efficiency.

Common Mistakes in Air Purifier Placement

Air Purifier Placement
Source: bhg.com

Several common mistakes in placing air purifiers can compromise their effectiveness in purifying indoor air. These errors include:

  • Excessive Room Size: Placing an air purifier in a room that exceeds its recommended coverage can lead to inadequate purification. It is essential to match the purifier’s capacity with the room size for optimal results.
  • Obstructed Airflow: Blocking the intake or outlet of the air purifier with furniture or other objects impedes proper airflow. This obstruction hinders the unit’s ability to draw in and filter air efficiently.
  • Inadequate Proximity to Pollutant Sources: Installing the air purifier too far from sources of pollutants, such as cooking areas or pet zones, diminishes its capacity to capture and filter contaminants effectively.
  • Positioning in Dead Air Spaces: Placing the air purifier in areas with limited air circulation, such as dead air spaces or tight corners, reduces its overall efficiency. Optimal placement involves selecting areas with adequate airflow for better purification performance.

Tips for Optimizing Air Purifier Performance

Air Purifier Performance
Source: expertreviews.co.uk

To maximize the performance of your air purifier, adhere to these valuable tips:

  • Appropriate Sizing: Ensure the air purifier is correctly sized for the designated room, aligning with its recommended coverage capacity.
  • Strategic Placement: Position the air purifier in proximity to both sleeping and sitting areas, focusing on places where individuals spend the most time for optimal benefits.
  • Adequate Clearance: Maintain ample clearance around the unit to allow unobstructed airflow, ensuring that the purifier can efficiently draw in and filter the surrounding air.
  • Periodic Adjustment: Periodically relocate the air purifier to different positions within the room to enhance overall coverage and effectiveness.
  • Hard Surfaces Preferred: Place the air purifier on hard surfaces rather than carpets. This ensures better stability and prevents potential hindrances to the unit’s airflow.

By incorporating these tips into your air purifier placement strategy, you can significantly improve its overall performance, resulting in a more thorough and efficient purification of the indoor air.


An air purifier’s placement greatly influences its effectiveness. Once sized properly, the ideal location is a central spot in a frequently used room, near sources of pollutants, with good airflow and clearance. Avoid common mistakes like blocked vents or too large of a room. With a thoughtful placement approach, you can maximize your air purifier’s contaminant removal and create cleaner indoor air.