Air purifiers, also known as air cleaners filter indoor air pollutants such as dust, pet dander, pollen, smoke from the air and significantly improve the air quality and also help reduce allergy and asthma attacks.
To get the maximum result out of air purifiers, it is highly recommend that you leave it all day long.
Each unit is different and unique. In order to find what is best for your model, we highly recommend that you consult your purifier’s instruction manual. If you lost your user’s manual, visit the manufacturer’s site and enter the model information to find PDF format manual.
Should you leave the air purifier all day?
a) All day use - Almost all air purifier suppliers and manufacturers recommend that you run your air purifiers all day long for maximum operation. For example, Crane, an air purifier manufacture says that running your air purifier all day long will offer you benefits throughout the year.
Honeywell, another air purifier manufactures, says the same thing, recommending people to run their air cleaners as much as possible, or all the time for maximum efficiency. For energy efficient operation, run your air purifiers on medium settings. Use the high settings for quick air circulation and filtration, while low setting is recommended for quiet operation.
b) Effectiveness - Leaving the air purifier on all day long does not mean it will clean an entire home. This is because of walls and other partitions present inside your living space.
In addition, air purifiers are available in different sizes. Depending upon its size, the air cleaner can clean air in spaces ranging from 100 to 5,000 sq. ft. If you are installing a less powerful air purifier on a large room, it may not absorb be able to clean your room completely.
If this is the case, you need to perform the air purification on a room-by-room basis. That means installing one unit each in the rooms you occupy the most (living room, bedrooms, or kitchen).
Other factors that affect the effectiveness of air purifiers are fan speeds, insulation quality, in-room airflow, and the amount of pollutants in your living spaces.
c) Energy consumption - An air purifier with an average HEPA – or high efficiency particulate air – filter consumes about 50 watts of electricity on its lowest settings and 200 watts on its highest settings. On the other hand, an average computer uses 365 watts of electricity.
Therefore, most air cleaners will be energy-efficient, even if you let it run all day.
To find more energy-efficient air purifiers, look for air purifiers with the Energy Star seal. These air purifiers are more energy-efficient than air purifiers that comes without the certification.
d) Filters - Although running air purifiers are highly recommended for maximum efficiency and operation, doing so may also cause air filters (the main component of the purifier) to run their course more faster than sporadic operation.
However, this should not be a problem for you because most air filters, and also HEPA filters, need replacement only once every 3-5 years. Only pre-filters and carbon filters need replacement every 3-6 months of time.
Final thoughts
If you need higher output (more clean air for breathing) from your air purifiers, you should let your air purifier on all day long. The pros outweighs the cons – maximum operation and output delivery, less power consumption, and the fact that filters need changing only after few years.
On the other hand, leaving the air purifier on all day long does not mean it will clean your entire room. You still need to be careful where you place your air purifiers because there could be walls and other partitions in your house preventing air filtration process. You may need to install one unit each in places you occupy the most.
Comment below if you think it is a good idea to leave your air purifier on all day?
Did you like our post? If you did, you may also like to read our best air purifier reviews.
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