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What Is An Air Scrubber? A Detailed Guide

What Is An Air Scrubber? A Detailed Guide

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air scrubber - Air Scrubber Breath Healthy - man cooling off with fan

Have you been wondering how to improve the air quality in your home or office and if there was a device that could not only purify the air but also extend the life of your appliances? Lucky for you there is such an appliance, the air scrubber, but what is it, and how can it benefit you and your environment? Lets’s find out.

People in enclosed spaces are more prone to allergies and other airborne diseases than are in an open atmosphere, making it essential to have an effective air purification system. An air scrubber is a powerful solution that not only cleans the air of pollutants but also reduces the presence of airborne contaminants that can exacerbate allergies and spread disease.

Unlike other air purifiers, air scrubber kills all the microbes like bacteria, viruses, mold spores, etc. Many scrubber manufacturing companies claim this tool decontaminates more than 99% of the indoor atmosphere.

It is an effective solution to combat air pollution in closed spaces and create a healthy indoor environment.

Air Scrubber – Breathe Healthy

air scrubber - How Does Air Scrubber Work - woman relaxing with cup

Our residential buildings, homes, and workplaces are all enclosed places, full of large numbers of potentially harmful airborne contaminants pass such as pollen, dust, chemical particles, microorganism, etc. 

Air scrubber is a filtration system that acts as a negative fan to draw in all the contaminated air and remove contaminants. 

Unlike other air purifiers, air scrubber kills all the microbes like bacteria, viruses, mold spores, etc. Many scrubber manufacturing companies claim this tool decontaminates more than 99% of the indoor atmosphere. 

It is an effective solution to combat air pollution in closed spaces and create a healthy indoor environment

How Does Air Scrubber Work?

air scrubber - Different Kinds of Air Scrubbers - woman standing under air scrubber

Now you have an idea what is an air scrubber! We’ll see its technology and functioning. Different components of an air scrubber include a pre-filter, blower, primary filter, and other optional filters. 

Firstly, the poor-quality room air is sucked into the device by the blower. This air is then passed through and cleaned in different filtration processes. Different air filters present in the air scrubbers, along with their functions, are described below:

  • Pre-Filter: The filtration process initiates with pre-filtration. This filter catches larger particulate matter like pollen, dust, and macroparticles.
  • Molecular Filter: Next step integrated air scrubbers is molecular filtration. Air scrubbers have special molecular filtration media designed to capture and remove virus-containing particles from the air.
  • PuraWard Filter: Some high-end scrubbers, especially those present in hospitals, are equipped with an Anti-Microbial HVAC Filter. This filter uses silver and copper ions to kill microbial contaminants like bacteria, fungi, and viruses.
  • HEPA Filter: This is a carbon filter used in the final filtration stage to decontaminate the indoor air. HVAC filter can trap 0.3 to 2.5 PM of all allergens and microbes.

Following all the filtration processes, the blower carries the clean gas and vapor molecules of air out of the scrubber.

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Different Kinds of Air Scrubbers in the Market

air scrubber - Advantages of Air Scrubber - woman reacting to bad smell

Pollution-free indoor air is essential for healthy lungs and the overall health of human beings. Different air cleaning machines purify air at various levels; the best are air scrubbers. There are three main types of this: wet air scrubbers and cleaner.  

  • DRY SCRUBBER is more commonly used in residential buildings. They include HEPA filters to remove microscopic contaminants and other particulate matter. A dry air scrubber has many properties in common with air purifiers.
  • The second type is WET SCRUBBER, more frequently used in large manufacturing plants. This portable air scrubber comprises mist eliminators, pumps, collection vessels, fans, etc. The principle of this wet air scrubber is the adherence of dust particles and other airborne particles with a mist. 
  • The last type is INTEGRATED SCRUBBER; these are fixed with the building’s HVAC systems. Its purpose is to offer an additional degree of high-performance air filtration when the air enters a building and flows through the ductwork.

Advantages of Using a Good Quality Air Scrubber

air scrubber - considering factors while purchasing - air scrubber unit

Air pollution is increasing daily, and integrated and portable air scrubbers are a great source to avoid its potential risks. Here are some benefits of using an air scrubber:

Protect From Allergens And Diseases

Portable air scrubbers remove deadly microbes like bacteria, viruses, and other pathogens and save us from life-threatening diseases. This device is a must-have for immunocompromised people who are more prone to infection.

Moreover, this portable negative air scrubber purifier traps all allergens like pollens and dust to clean indoor air.

Maintain Good Air Quality

Air scrubber removes minute air contaminants and enhances improve indoor air quality further. They actively clean volatile organic compounds, molds, dust, and toxic pollutants. Hence maintaining a healthy atmosphere in indoor surroundings.

Support HVAC System

Installing good-quality air purifiers, such as air scrubbers, increases the life span of your HVAC air conditioning system. This equipment captures larger air particles and prevents their entry into Air filtration systems.

As a result, the HVAC coils and filters are protected from potential harm. A portable air scrubber also saves money on repairing these filtration systems.

Fight With Persisting Odors

Some of these devices have ozone technology to make negative air pressure reduce the unpleasant lingering smell. A clean and fresh atmosphere imparts pleasant effects on your mind and increases your cognitive efficiency.

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Considering Factors While Purchasing a New Air Scrubber

Types Of Filters

Choosing the right type of filter is paramount as it directly influences the air scrubber’s effectiveness. Most high-quality air scrubbers come equipped with High-Efficiency Particulate Air (HEPA) filters, renowned for their ability to trap at least 99.97% of particles that are 0.3 microns in diameter. 

Such filters are highly effective against dust, pollen, mold spores, and other airborne pollutants. Some advanced models may also include activated carbon filters to remove gases and odors, or ultraviolet (UV) light filters to kill bacteria and viruses. 

Assess your needs based on the pollutants present in your environment and choose a model that offers the specific type of filtration required.


Air scrubbers can vary significantly in price, generally ranging from a few hundred to several thousand dollars. The cost often correlates with the unit’s filtration technology, capacity, and additional features such as smart sensors and automated settings. 

It’s important to set a realistic budget that considers not only the initial purchase price but also long-term costs like filter replacements and energy consumption. 

Consider investing in a more expensive model if it offers greater longevity and efficiency, as this can prove more cost-effective over time.

Airflow Efficiency

The efficiency of an air scrubber is also determined by its airflow capacity, which is typically measured in cubic feet per minute (CFM). 

This metric indicates how much air the scrubber can filter each minute, thus playing a critical role in determining its suitability for different sized spaces. 

To select the right air scrubber, check its CFM rating and compare it with the volume of the area where it will be used. A higher CFM is necessary for larger spaces to ensure the air is adequately purified throughout. 

Additionally, consider the placement of the unit to maximize air circulation and the effectiveness of the scrubbing process.

Additional Considerations

  • Noise Level: Depending on where you plan to use the air scrubber, its operational noise might be a concern. Look for models that offer a quiet operation mode, especially for use in bedrooms or study areas.
  • Energy Efficiency: Opt for energy-efficient models to minimize electricity consumption. Look for ENERGY STAR certified products, which are tested for energy efficiency without sacrificing performance.
  • Maintenance Requirements: Consider the ease of maintenance, including how often filters need to be replaced and the overall user-friendliness of the unit. Some models come with washable pre-filters which can help extend the life of the primary HEPA filter.

By carefully considering these factors, you can choose an air scrubber that not only fits your budget but also effectively improves the air quality in your environment.

Maintenance Guide Air Scrubber

air scrubber - Maintenance Guide Air Scrubber - working on air scrubber

Taking care of your air scrubber is crucial to maintaining healthy air quality and improved surroundings. You should take appropriate measures to support your air-cleaning device and increase its shelf life for the long-term.

Filters that trap airborne contaminants should be inspected and replaced regularly. To avoid electrical mishaps, it would be best to keep an eye on the wiring and cables of the air scrubber installed.

Another component for maintenance consideration is the fan blades. Look for any bend or dirt on the fans of the scrubber in your routine check-ups and replace the blade where needed.

Your air scrubber largely determines your indoor air quality. Keeping this machine in good condition with regular inspections and maintenance will achieve the optimum results you desire.

Bottom Line

So,  if you’ve been wondering how to improve the air quality in your home or office, an air scrubber provides a compelling answer. This device not only purifies the air, making your environment safer and more comfortable but also contributes to the health of those within it by reducing harmful airborne contaminants. By investing in an air scrubber, you’re not just enhancing air quality; you’re taking a proactive step towards promoting a healthier life in enclosed spaces. Remember, cleaner air means fewer allergens and pathogens and, ultimately, better overall well-being for everyone in the space.

Frequently Asked Questions Related To What Is An Air Scrubber

It is attached to the ductwork of your building’s existing HVAC system, and removes sizeable particulate matter like dust, pollens, pet dander, VOC, and surface contaminants. This device helps to reduce the maintenance cost of your air filtration system.

The portable air scrubber that is equipped with a HEPA filter is potentially the best to remove allergy-causing airborne contaminants like pollens, microbes, dust, etc. It purifies the atmosphere and increases indoor and outdoor air quality.

On average, smaller portable air scrubbers can cost between $500 to $2,000, while larger commercial-grade air scrubbers can cost up to $10,000 or more.

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