Should air purifier be on a table?

Author: Kayleigh Barton  |  Last update: Friday, November 28, 2025

Tip: Place the purifier on a table or stand about 3-5 feet off the ground. This height is optimal for capturing dust, pollen, and other allergens. By paying attention to air flow, your breathing zone, avoiding obstructions, and height considerations, you can maximize the effectiveness of your air purifier.

Is it better to put an air purifier on the floor or table?

For this reason, the equipment can stand in the living room during the day, while in the bedroom at night. Do not forget about the height of the position of the purifier. Specialists recommend placing the device on the floor, because it is near the ground that there is a higher concentration of pollutants.

Should an air purifier be on the nightstand?

Yes,you would normally keep an air purifier on while sleeping. The whole point of an air purifier is to keep a room/rooms air clean 24/7,and that would be important at night as well. You can select a model that runs quietly so as not to disturb sleep.

Where should you not put an air purifier?

Ensure your air purifier has enough clearance around it to function optimally. Avoid placing it behind furniture or in tight corners where airflow might be restricted. Ideally, there should be at least 3-5 feet of clear space around the unit to allow for unimpeded air intake and output.

Can you put an air purifier on a desk?

Nothing beats clean air, especially when the alternative is being mired in the same cloud of crud all day. This portable model from Uplift is small enough to fit on your desk without eliminating too much valuable space, and it's still powerful enough to keep the air within a few feet of your desk nice and crisp.

Levoit Core Mini Review After 4 Months Of Use

Do air purifiers dry out a room?

While air purifiers do not remove moisture from the air, the movement of air can increase evaporation from surfaces in a room–including your skin and mucous membranes. This increased evaporation can make the air feel drier than it is.

Is it OK to sleep in a room with an air purifier?

Placing an air purifier in your bedroom can allow you to breathe clean air for hours at a time, which you may not be able to experience during the day. However, to get the most benefit to your indoor air quality, you should make sure that your air purifier is in an ideal spot, like your nightstand, while you sleep.

Should an air purifier run all day?

Many people think that switching it off during the night or when they're not present is a logical energy-saving measure, but it is recommended to keep it running constantly. Once you turn off your air purifier, the air quickly becomes contaminated again with mold, dust, dander, and other pollutants present in the air.

Can one air purifier clean an entire house?

When an efficient, effective, safe unit is selected, whole house air purifiers: Offer air purification without “boundaries” – they clean the air in your entire home. Eliminate the need for multiple air purifiers around the house. Provide air purification without taking up space in the living area of the house.

Are there any cons to an air purifier?

What are the downsides of air purifiers? There aren't a lot of downsides to having an air purifier in your home aside from the financial investment. Many ionizers, especially older models, can generate ozone when they are operating, which is known to exacerbate asthma.

Should I turn off my air purifier when I leave the house?

By leaving the purifier on while you're away, you maintain clean air throughout the day, ensuring you return to a fresh and healthier environment. This is particularly important for those who suffer from allergies, asthma, or other respiratory conditions.

Do air purifiers use a lot of electricity?

Room air cleaners are portable, electric appliances that remove fine particles, such as dust and pollen, from indoor air. A standard room air cleaner, operating continuously, uses approximately 450 kWh per year in electricity. This is more than the energy used by some new refrigerators!

Do air purifiers help with mold?

Mold is an obvious health risk in any home, but investing in an air purifier can help limit your exposure. The best among them will ideally offer HEPA-level filtration, with this level of filtration being able to trap up to 99.97% of airborne particles down to 0.3 microns in diameter.

Do air purifiers create more dust?

Clinical Study: A study published in the Environment International evaluated the impact of HEPA air purifiers on indoor particulate matter levels. The researchers found that using portable air cleaners with HEPA filters resulted in substantial reductions in indoor dust concentrations, leading to improved air quality.

How long to run an air purifier in a bedroom?

This is why most manufacturers will recommend you to leave your air purifier running all day, especially if it comes equipped with an automatic setting. This setting allows your device to monitor the quality of your air in your home for you and to adjust its speed depending on the levels of pollutants that it detects.

What room is best for an air purifier?

The living room is a great room to put a purifier in because it is shared by the entire family. This means that everyone's sensitivities collide there. To keep everyone comfortable, keep the air in this space clean.

Where is the best place to put an air purifier?

Quick Tips: Air Purifiers in the Home

Keep your device away from heat sources. Keep your device away from moisture or areas with high humidity. Place your device at least 6 inches from walls, furniture, or other items while in use. Place your air purifier near the most likely source of indoor air pollution.

How many air purifiers do I need for a 3 bedroom house?

In theory, you would get the best results by having an air purifier in every room of your home. However, the cost of doing this can make it impossible for most people. If you're wondering whether you need an air purifier for each room, start with an affordable two: one for your bedroom and one for the living area.

How long does it take for an air purifier to clean the air?

Air purifiers can clean a room within 20-45 minutes, with the time depending on the room's size, the purifier's power, and the initial air quality. For best results, choose a purifier suited to your room's size and maintain it well.

How to tell if an air purifier is working?

First, check the system's airflow. A working air purifier features clear, consistent airflow. If the purifier is not blowing out air (easily determined by placing your hand in front of the system), there's likely a problem. If you are unable to hear anything, that's also a sign the purifier isn't working.

Should an air purifier be next to bed?

Ideally, position the purifier on a nightstand or dresser within your breathing zone, particularly near the bed, as this placement effectively cleans the air you breathe during sleep. Maintaining good indoor air quality is crucial, especially in the bedroom, due to the potential health risks posed by indoor pollutants.

Do air purifiers help with smell?

An air purifier and specific filters effectively eliminate harmful gases and unwanted odors from your indoor environment. A standard particle filter is not designed to remove gases and odors. For gas and odor removal, the air purifier should be equipped with a filter that includes activated carbon.

What are the disadvantages of an air purifier?

Another downside is that air purifiers can be noisy. The mechanical filters can produce a lot of noise, and if you're looking for a quiet home or a quiet appliance, an air purifier may not be the best choice. Finally, air purifiers require regular maintenance just like any electronic device.

Should I put my air purifier on the floor or table?

Air purifier floor placement is great for heavier particles like dust and pet hair, while elevated placement offers better coverage for lighter pollutants at breathing levels.

Should the room be closed when the air purifier is on?

Air purifiers work the best when they are used in confined spaces such as closed rooms. You can open the doors and windows for proper ventilation and a supply of fresh air during the day. However, make sure that you close the doors and windows when you use the air purifier.

Previous article
Is R-454B a drop-in replacement?
Next article
Will regular dish soap ruin a dishwasher?