Question 1

What Do HEPA Vacuum Cleaners Remove

Accepted Answer

HEPA stands for High-Efficiency Particulate Air. A HEPA filter can capture 99.97% of airborne particles that are 0.3 microns or larger. In other words, if you have a particle that is 0.3 microns, there is a 99.97% chance that the HEPA filter will remove it.

Question 2

Can someone just hold up a particle to the HEPA filter to see if it will pass through?

Accepted Answer

Yes, but I'm not sure why someone would want to do that since you can just test the vacuum cleaner to see if the particles get sucked into the vacuum chamber. If they don't, then it has a HEPA filter, and if they do, then it doesn't have a HEPA filter.

Question 3

What particles are removed by a HEPA filter?

Accepted Answer

Dust particles Pet dander Hair Bacteria Dust mites Smoke

Question 4

How Do HEPA Vacuum Cleaners Work?

Accepted Answer

Basically, when you vacuum with a conventional vacuum cleaner, you are just putting dust into the air. When you vacuum with a HEPA vacuum cleaner, you are removing particles from the air. The particles are collected in the HEPA filter and stored in the vacuum cleaner until you empty it.

Question 5

How Does A HEPA Filter Work?

Accepted Answer

Actually, the HEPA filter doesn't really work; it's actually static electricity that does the work for the HEPA filter. The air is pulled into the vacuum cleaner, where it passes through the HEPA filter (and over a fan). The static electricity attracts the dust particles, which are then collected in the vacuum cleaner.

Question 6

Can You Wash A HEPA Filter?

Accepted Answer

Yes, many HEPA filters are washable. You should still follow your vacuum cleaner's maintenance instructions for washing them. Most of them recommend that you do not wash them very often because that will wear out the HEPA filters more quickly.

Question 7

How Do You Test A Vacuum Cleaner's Performance?

Accepted Answer

There are two ways to test a vacuum cleaner's performance. The first way is to use a particle counter, which is what most professional vacuum cleaner companies use as a standard for their products' performance. The second way is to test it yourself with your eyes. This is what a lot of homeowners do. You can take a feather and put it in front of the vacuum while it is on. If the feather is sucked into the vacuum, then it has a good suction power, but if it just flutters around in front of the vacuum, then there is no suction power.

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