Ever wonder why you or someone in your family has allergies or breathing problems even when you are inside? You can find the answer in the air you breathe.

The quality of the air inside our homes is important to our health and well-being, but it is often overlooked.

But do not worry, because HEPA filters can help you breathe easier.

This article is for people who own vacuum cleaners or are looking to buy one.

We will talk about what HEPA filters are, what they do, and how they can make the air in your home better.

So, take a seat, put your feet up, and get ready to learn how to breathe better air.

Understanding Suction Power in Vacuum Cleaners

Understanding Suction Power

When the motor is running, suction power is a vacuum cleaner’s ability to create negative pressure or lift.

It is measured in water lift inches or in Pascal (Pa).

The vacuum cleaner’s suction capacity shows how strong it is, and the air volume shows how much air it can move.

The suction power is the sum of the vacuum cleaner’s suction capacity and the amount of air it can move.

It shows how powerful the vacuum cleaner is.

When choosing a vacuum cleaner, suction power is an important thing to think about.

If a vacuum cleaner has more suction power, it can pick up more dirt and debris from floors, carpets, and other surfaces.

But it is not the only thing to think about.

Airflow is another important factor in figuring out how well something cleans.

Measuring Suction Power

There are several ways to measure the suction power of a vacuum cleaner.

These include cubic feet per minute (CFM), water lift, air watts (AW), amps, and horsepower.

CFM is a way to measure how much air is moving through the machine.

The vacuum cleaner’s water lift is a measure of how much negative pressure or lift it can make when the motor is running.

The American Society for Testing and Materials says that air watts, which are a combination of water lift and airflow, are the best way to measure how well a vacuum really cleans.

Suction power is measured in watts (W), and for machines with one motor, it usually ranges from 250 W to 450 W.

The power of a vacuum cleaner’s suction should be measured at the end of the tube, which includes the tube, hose, and filters but not the nozzle.

Wattage, on the other hand, has nothing to do with how powerful the motor is or how well it vacuums.

It only shows how much energy the motor needs.

Airflow and Cleaning Ability

It is important to remember that CFM is not a true measure of suction.

Instead, it is a type of measurement that is part of the equation when measuring air watts.

At the end of the hose where the vacuuming takes place, there needs to be enough airflow speed to sweep dirt and debris away.

Airflow Airflow is by far the most important feature for figuring out how well a vacuum can clean.

Several things affect how well a vacuum cleaner can pull in air.

Airflow (CFM), air watts (AW), water lift (inches of H20), amps, and horsepower are the main ways to measure suction power.

The airflow of a vacuum cleaner is the most important factor in figuring out how well it cleans.

It is measured in cubic feet per minute (CFM) and is the force of the airflow across a surface that picks up dirt and moves it to the dust bag or container.

Factors Affecting Suction Power

The power of the suction is also affected by how much resistance there is in the filtration system as it traps dirt.

Suction power is also affected by the total amount of input power, the efficiency of the motor, the floor contact, the resistance of the air, and the size of the dust reservoir.

How well a motor turns electrical power into suction power is what is meant by “motor efficiency.” Floor contact means how well the cleaning nozzle of the vacuum cleaner makes contact with the floor.

A vacuum cleaner’s ability to clean well can depend a lot on how well its cleaning nozzle is made.

Impact of Suction Power on Indoor Air Quality

Improving Indoor Air Quality with Vacuum Cleaners

The suction power of a vacuum cleaner can change the quality of the air inside.

Studies have shown that the exhaust of a vacuum cleaner can send a lot of small airborne particles into the air.

Use a vacuum cleaner with HEPA filtration to improve the quality of the air inside.

A HEPA filter or bag must keep out 99.97% of allergens that are at least 0.3 microns in size.

With HEPA filters, the amount of particles smaller than 10 microns in the air is greatly reduced.

Water-Powered Vacuums: An Alternative to Traditional Vacuums

Traditional vacuums have been left in the dust by water-powered vacuums like Sirena, which come with different attachments designed for different types of messes and can clean, humidify, and get rid of smells in the air.

Water-powered vacuums like the Sirena use water filtration basins and a HEPA backup filter to trap every particle they pick up and keep them from getting back into the air supply.

Water vacuums are also easy to clean.

Instead of spending time and money on new bags, you can just dump the dirty water out of the basin and fill it with clean water.

The Impact of Suction Power on Indoor Air Quality

A vacuum cleaner may not work as well if it does not have enough suction power.

But a vacuum cleaner’s ability to clean is not just about how well it can pull in air, even though this is an important part of how well it works.

The airflow of a vacuum cleaner, which is measured in cubic feet per minute, is the most important factor in determining how well it cleans (CFM).

The force of this airflow across a surface is what picks up dirt and moves it to the dust bag or container.

So, the better a vacuum will clean the air inside, the more airflow it has.

Factors Affecting Suction Power

When a vacuum cleaner has low suctioning pressure, it cleans the air in a room less well.

Low suctioning pressure can be caused by a number of things, like hoses or filters that are clogged.

If filters get clogged up over time or are not cleaned or replaced properly, they could cause a vacuum to lose suction power.

A vacuum will also lose power if the hose gets clogged.

Also, a vacuum cleaner might lose suction power if its brushes or rollers get clogged with dust or hair over time.

Water Vacuums: Efficient at Getting Rid of Harmful Contaminants

A good vacuum cleaner can get rid of dust, allergens, and other particles from your home’s surfaces and keep them from getting into the air.

Water vacuums are especially good at getting rid of harmful contaminants because they can get deep into furniture and floors to catch all dirt, dust, and allergens.

Choosing the Right Vacuum Cleaner for Your Needs

How to Choose a Vacuum Cleaner Based on Suction Power

When choosing a vacuum cleaner, it is important to think about how strong the suction will need to be to get the job done.

There are a few ways to figure out how much suction power you need for cleaning.

Suction Power Filter

One way to look for a vacuum cleaner is to use the suction power filter.

This filter goes from “regular” to “very good,” so you can look for a vacuum with very good suction power that can get all the dirt out of your carpet.

Airflow and Air Wattage

Another way is to look at how fast the air moves through the vacuum cleaner and how much power it uses.

When using HEPA filters, vacuum cleaners need more air wattage because the air has to be pulled through tiny holes, which takes more power.

Water Lift or Sealed Suction Test

The water lift test or the sealed suction test is another way to find out how well a vacuum cleaner can pull in air.

The water lift is measured in inches of H2O and is done by putting a tube full of water in a closed container.

In this test, the water lift is directly related to how well the vacuum cleaner can pull in air.

Wattage or Motor Power

Manufacturers often give the electric motor power of a vacuum cleaner in terms of wattage or motor power.

But higher wattage does not always mean more suction power because a vacuum cleaner has many other parts that also use power.

Useful Suction

Lupe Technology says that when choosing a vacuum cleaner, you should think about useful suction instead of just suction power.

Useful suction measures the pressure under the cleaner head, which is not sealed to any test equipment.

When choosing a vacuum cleaner, it is important to pay attention to how the cleaner head is made.

Consider Your Cleaning Environment

Lastly, when choosing a vacuum cleaner, think about how and where you clean.

For example, if you want to use it to clean places like offices or shops, choose one that is not too heavy (less than 10 kg).

Advantages and Disadvantages of High Suction Power

There are pros and cons to using a vacuum cleaner with a lot of suction power.


One of the main benefits is that it can get rid of more dirt and dust at once, making the surface look clean and healthy at the same time.

It can also save people time, money, and effort because it can clean large areas and hard-to-reach places in minutes, while sweeping or wiping with a rag would take hours.

Also, vacuum cleaners can get rid of pet hair and bad smells from carpets because they have a lot of suction power.


But there are also some bad things about using a vacuum cleaner with a lot of suction power.

One of the biggest problems with hoovers is that they use powerful motors to create suction and need electricity to work.

As a result of their motors and the sound the suction makes when it hits a surface, vacuum cleaners are also loud.

They are big machines that are hard to move around the house, especially upright vacuum cleaners, which are almost impossible to move up and down stairs.

In the end, there are both pros and cons to using a vacuum cleaner with a lot of suction power.

Even though it can clean surfaces quickly and well, it may also use more electricity and be loud.

Because of its size, it may also be hard to get around the house.

When choosing a vacuum cleaner, it is important to consider the suction power that will meet your cleaning needs and the environment in which it will be used.

HEPA Technology: The Key to Improving Indoor Air Quality with Vacuum Cleaners

HEPA (High-Efficiency Particulate Air) technology is a crucial feature in modern vacuum cleaners that can significantly improve indoor air quality.

HEPA filters are designed to capture tiny particles, including dust, pollen, pet dander, and other allergens, that can cause respiratory problems and trigger allergies.

These filters can trap up to 99.97% of particles as small as 0.3 microns, making them highly effective in removing harmful pollutants from the air.

By using a vacuum cleaner with HEPA technology, you can ensure that the air in your home is cleaner and healthier to breathe.

Moreover, HEPA filters are washable and reusable, making them a cost-effective and eco-friendly solution for maintaining indoor air quality.

So, if you want to keep your home free from harmful pollutants, consider investing in a vacuum cleaner with HEPA technology.

For more information:

HEPA Tech: Clean Air, Strong Suction

Maintaining Suction Power in Vacuum Cleaners

Maintaining Suction Power

To ensure the best performance of a vacuum cleaner, it is recommended to check and adjust the suction power regularly.

But how often you need to check and adjust the suction power depends on things like the type of vacuum cleaner, how often you use it, and the type of floor you are cleaning.

  • Adjusting Suction Power: Some vacuum cleaners have multiple settings for suction power that can be adjusted according to the surface being cleaned. If a vacuum cleaner is not picking up dirt or debris effectively, it may be necessary to adjust the suction power to a higher setting.
  • Regular Maintenance: It is also important to regularly empty the vacuum cleaner and replace bags or containers when they are near capacity. Additionally, replacing worn-out belts and filters can improve suction power.

Choosing a Vacuum for Optimal Indoor Air Quality

When selecting a vacuum cleaner for optimal indoor air quality, there are several features to consider.

  • Consider Your Needs: Firstly, it is important to choose a vacuum based on your needs and environment. Consider where it will be used, for how long, and what it needs to pick up.
  • HEPA Filter: Secondly, choose a vacuum with a HEPA filter that retains 99.97% of all particulates down to and including 0.3 microns. Look for ratings of H13 or H14 which capture microns as small as 0.2 microns and retain 99.95 or 99.995 percent of particulates respectively.
  • True UPLA Filter: Another option is a True UPLA (Ultra-Low Penetration Air) filter that retains 99.999% of all particulates down to and including 0.12 microns.
  • Power Performance: In addition to filtration, consider the power performance of the vacuum cleaner. Choose a vacuum with sufficient motor power that can effectively clean your space.
  • Noise Level: Noise level is another factor to consider when selecting a vacuum cleaner for optimal indoor air quality. Some models are noisier than others, so choose one that meets your noise tolerance level.
  • Design and Structure: Lastly, consider the design and structure of the vacuum cleaner. Backpack vacuums are more ergonomic than upright vacuums but may be noisier and less powerful than their upright counterparts. Upright vacuums are better suited for cleaning large areas but may be heavier and noisier than backpack vacuums.

Overall, when choosing a vacuum cleaner for the best indoor air quality, you should think about your needs, the filtration system, how well it works, how loud it is, and how it is built.

Your vacuum cleaner can also work better if you give it regular maintenance and tweak the suction power.


HEPA filters are a great way to improve the air quality in your home, but they are not the only way.

It is important to remember that the air quality in your home is affected by many things, like the materials used to build it, the cleaning products you use, and even the things you do.

Even though HEPA filters can help get rid of air pollution, they are not a magic fix.

When thinking about indoor air quality, it is important to look at all of the things that can affect it.

This could mean using natural cleaning products, building your home with low-VOC materials, and being careful about what you do.

In the end, the best way to improve the quality of the air inside is to be proactive and know what to do.

You and your family can live in a healthier environment if you take steps to reduce pollutants in your home and choose products that are made to improve air quality.

So, the next time you need a vacuum cleaner, think about getting one with a HEPA filter, but do not forget to look at the bigger picture when it comes to indoor air quality.

Looking for a new robot vacuum?

Choosing a gadget can be very difficult if you know nothing about the technology.

Some will pay for features they do not need while others may not consider what they really want.

So I created this quick, newbie guide to help you focus on what is really important to you:

The best robot vacuum for you.

Links and references

“Indoor Air Quality: A Review of Cleaning Technologies” published in MDPI, “ASHRAE Position Document on Filtration and Air Cleaning” published by ASHRAE, and the US Environmental Protection Agency (EPA) technical summary on residential air cleaners.

My article on the topic:

HEPA Filters: Your Vacuum’s Superpower!