Positive About Negative Pressure

The word negative is always associated with something bad or the lack of something good. It is the opposite of the word positive.

In the world of minimizing contact with harmful airborne contaminants the word negative is often used in conjunction with negative air pressure, or making a specific room or area negative.

Hospitals have rooms where they isolate a patient that has a highly communicable disease where the air in the room is constantly being filtered through a HEPA based air filtration system and air handler. The pressure in the room is slightly lower than the air outside the room so when the door to the room is opened all the air moves into the room thus keeping any airborne pathogens from escaping the room.

Negative pressure rooms are common at the CDC in Atlanta and in R&D labs around the world where highly toxic or corrosive chemicals and materials are used for product development. These rooms use both HEPA and Carbon or other adsorptive materials to remove airborne particulate as well as gaseous pollutants.

Pure Air Systems, based in Indianapolis, Indiana manufactures high end, commercial grade HEPA and Carbon based, fan-powered air filtration systems which are used in many of these negative room applications. Their systems can move from 50 CFM up to 2,000 CFM of air through the scanned HEPA filters where in many cases the units themselves are the only air moving device creating the negative pressure.

These systems can also be attached to or be part of the air handling units working in conjunction with cooling and heating systems.

In many instances homes can be under negative pressure when the HVAC system is not properly balanced making the home slightly negative which in this case is bad. That means every time the air handler fan comes on the house tends to draw some air in from the outside which means you are bringing in warm, moist or cold air all the time. Getting your HVAC systems balanced is recommended.

For more information on the complete line of HEPA and Carbon based air filtration systems please go to our website at: https://www.pureairsystems.com or call us on our toll-free number at: 800-869-8025.

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Pure Air Systems Website Update

In 1995 Pure Air Systems purchased its existing URL. At that time there were few companies with a URL and most people had little knowledge of this digital process and even less of an understanding of what to do with the URL. Back in that era there were few websites and only Windows as a major operating system. IOS was still in its infancy.

By 1996 the internet was beginning to show some power in providing real information to a growing computer savvy public. By 1997 about 10% of all new customers for PAS were linked to our very new website that had a few photos and some text.

By 2000 almost 63% of our business was derived from customers viewing our website. We started to ask for their feedback on the information we provided in the site and made those changes accordingly. Over the years we added more products to the website then in 2007 we made a major change to the entire site.

Now, 2018, we are making another major change to the site. This will incorporate more photos and graphics with more bullet points and easy to understand information on how the filtration systems work and their applications including our Pure Air University section that provided a wealth of information on everything “air filtration.”

The website re-design should be in place sometime in May, 2018. The site is being modified by a very experienced team that has created some of the more impressive sites on the internet.

One of the main issues that will be addressed with the new website is the fact that Pure Air Systems only makes one grade of air filtration device. And that is commercial grade. There is no residential grade systems so everyone who buys one of our systems gets the same units we sell to the commercial world.

For more information on our product line please go to: https://www.pureairsystems.com or call us on our toll-free number at: 800-869-8025.

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Pure Air Systems Made In The USA

There is a long history of issues with much of manufacturing moving out of the US. For the most part a lot of the reasons were high  labor costs and corporate greed. In many cases the Asian markets had developed more companies that did injection molding and machining processes that were considerably less expensive with the ability to change product parts almost over night.

For many items imported into the US there will be little change of manufacturing venue. Technology has afforded countries around the world to make products faster and cheaper than the US. Even countries like Cambodia, Vietnam, and Thailand are now major exporters to the U.S. And, many of the companies that own these operations are U.S. corporations.

Pure Air Systems has been making HEPA based, fan powered air filtration systems in the US since 1985. Everyone of these systems has a made in the USA label on it and all the components are also made in the USA. Knowing that one would think that customers would not consider purchasing any other filtration systems. But that is and was not the case. The PAS line of high end, commercial grade filtration systems is more expensive than the closest competitor but the units are designed to run for 15 to 20 years and they perform exactly as promised. Most of the competitors use cheaper, off shore components and are not made of steel or use the high end ECM variable speed drive motors.

After 32 years PAS has proven that if you make a great product, consistently and deliver what you promise, people and companies will continue to come back and order more. PAS now offers a line of 7 different HEPA systems ranging from the small portable HPS series to our 2000HS Plus units that can move up to 2000 CFM of HEPA filtered air.

For more information on our complete line of HEPA and Carbon based air filtration systems please go to our website at: http://www.pureairsysems.com         or call us on our toll-free number at: 800-869-8025.

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Air Filtration

For those people who live and work in colder climates, the amount of time you spend indoors is proportionally more than those individuals who live in warmer climates. In addition colder air is much drier than warm moist air and as a result dust particles and other airborne contaminants tend to stay suspended in air for much longer periods of time.

As humans we inhale large quantities of air every time we take a breath. All of that air is filtered through our mucus membranes and lung linings and a large portion of the particulate are ( those particles larger than 20 microns ) air filtered out and most often projected out of the body when exhaling.

The smaller particles, those under 20 microns and especially those sub-micron particles, are trapped in the lung linings and not exhaled. They are absorbed by the body and then flushed out of the body. However, some of those particulate may be harmful to the body and these may be airborne viruses or bacteria or perhaps some other type of airborne contaminant. Collecting these particulate is what Pure Air Systems does with their HEPA based air filtration systems.

Started in 1985, Pure Air Systems created a line of Air Filters that specifically used true, commercial grade, scanned HEPA filters in all their systems. HEPA filters are the most effective mechanical device for removing 99.99% of all particles 0.3 microns or lager and approaching 99.98% at particles as small as 0.12 microns in size.

These HEPA systems are all fan powered and use the newer ECM variable speed drive motors so they can be used on 120/240 volt 50/60Hz electrical systems and used any where in the world.

The systems range in capacity from 50 CFM ( Cubic Foot Per Minute) up to 2,000 CFM. They can be used either attached to an existing ducted HVAC system in the by-pass configuration or as stand-alone units. These Air Filtration systems can be used in residential, commercial, institutional, medical and industrial applications.

For more information on the complete line of HEPA based Air Filtration systems please go to our website at: https://www.pureairsystems.com  or call us on our toll-free number at: 800-869-8025.

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Air Apparent

Pure Air Systems is now 32 years old and is one of the remaining few companies in North America that still makes high end, commercial grade, fan powered HEPA air filtration systems. These systems are designed to provide true HEPA filtered air in a wide variety of applications including but not limited to: commercial, industrial, institutional, medical and residential.

Pure Air Systems makes only one type of HEPA based air filtration system so the residential customer receives the same identical system as the hospital or laboratory. These systems are designed to last a long time and run for years with minimal maintenance other than changing any one of the three filters at regular intervals.

There are a number of models available designed to fit any application and with the ability to be either installed as stand-alone units or being attached to the return air side of any HVAC system; commercial or residential.

Pure Air Systems is now the Air Apparent in this industry as there is only one other company in Europe that makes fan powered HEPA air filtration systems with the ability to handle air flows from less than 50 CFM up to 2000 CFM in a small housing configuration. In addition, the PAS units utilize the newer ECM variable speed drive motors that are rated 120/240 volt 50/6 Hz motors so they can be used anywhere in the world.

Each system has a prefilter, carbon media filter and true HEPA  filter. The systems can be configured to have all Carbon media with one prefilter for applications where only odors and gases are present. Or, they can be configured with two prefilters for applications where high levels of large particulate are present.

For more information on the complete line of HEPA and Carbon filters please go to our website at: https://www.pureairsystems.com  or call us on our toll-free number at: 800-869-8025.

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Pure Air Systems Moving Into 2018

Our company has been around since 1985 and over the past 32 years we have seen some interesting changes in technology and the way we communicate with each other and the world. It is in the communication department that we see major changes.

PAS first had a URL in 1995. There were few ways to promote  yourself in those days and we thought being part of the Internet would be a great way to promote our products and company. Turns our we were correct.

Today, almost 80% of all our new customer leads come through our website. People can view our equipment and learn more about our products and systems and the applications for all of them and how they can be installed. But we need to go further.

Our current site is now over 6 years old and needs some fine tuning . It is not responsive so it is somewhat difficult to view on a mobile device. And since over 60% of our new views are from phones or tablets we need to change that. Also we will make the site more user friendly and eliminate some of the confusion about the differences between commercial systems and residential systems ( clue…there are none ).

We would also like to add a Chat app and be more progressive in using Facebook and Twitter. These social media platforms have become the best way to connect to everyone anywhere at anytime.

Look for a major face-lift on our site coming in February of 2018. We think you will like it a lot. If you would like more information on the complete line of HEPA based air filtration systems please go to our website at: https://www.pureairsystems.com or call us on our toll-free number at: 800-869-8025.

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Surviving The Zombie Apocalypse

By now we all know that the Zombie Apocalypse was created through a virus developed by some unknown group. You also know by watching the documentary, Walking Dead, that the only way to put down a Zombie for good is to shoot or stab them or remove their head. So if you want to be a Zombie killer and not a member of the walking dead, then you need to pay attention to the rest of this blog. It may save your life!

Since we now know that an airborne virus is the method by which we become infected, the the obvious solution is to not breath in any contaminated air. Hard to do when the infected are now everywhere. But there is a solution. HEPA air filtration.

Started in 1985, Pure Air Systems introduced a commercial grade, fan powered HEPA air filtration system for use in homes, hospitals, schools, office buildings and other commercial facilities. Had all of these potential customers heeded our warning and installed one of our 7 different HEPA filtration models we may have to be writing about this issue today.

The HEPA systems handle up to 2,000 cubic feet of air per minute and can provide a surgery suite/clean room environment in any structure, even your home where you can hide comfortably from the Zombies.

HEPA filters are the only filtration method of significantly removing or reducing the levels of airborne contaminants at an efficiency of 99.99% at 0.3 microns and larger. They are even effective down to 0.12 microns and smaller ( virus size ) and become more efficient over time. …You are already thinking you need one aren’t you?

So, making the decision to buy one of our HEPA filtration systems is a “no brainer” if you get my drift.

For more information on our complete line of HEPA based filtration systems please go to our website at: https://www.pureairsystems.com  or call us at our toll-free number. 800-869-8025.

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Monuments

There is a lot of discussion these days about historical monuments and the issue of whether they should remain or be moved or destroyed. No matter which side you choose the fact remains that these were built for a specific purpose in their time. Many are still standing and a number are now gone.

Many corporations started out creating products that were relevant for their time in the development of our country and it’s industrial base. Over time, many of those companies have either changed completely, went out of business or merged with another larger corporation. Time changes everything.

Pure Air Systems started in 1985 by offering its’ first HEPA based, fan powered air filtration system. At the time it was slightly ahead of the curve as this type of high-end filtration system began to set the standards for high-performance in the area of reduction and/or removal of large percentages of harmful, airborne sub-micron particulate.

Over time, Pure Air Systems saw the opportunity to add larger systems with more airflow capabilities to its product line and began to expand its systems into the commercial, institutional, medical and industrial markets. The addition of the new ECM variable speed motors in 1999 added a new dimension to their product line.

The variable speed motors were magnet driven as apposed to the traditional use of wound motors thus giving PAS the ability to use digital controllers which allowed them to control the airflow in 1% increments. In addition, the motors were rated 120/240 v 50/60 Hz so they could be used anywhere in the world. This propelled the PAS line into another level which lead to the addition of 3 more products to their line.

If PAS was a monument it would probably look slightly different today, 32 years later, than the original built in 1985. Everything changes, nothing remains the same. Technology will move forward in spite of our attempts to slow it down. Time changes everything.

For more information on the complete line of HEPA and Carbon based products please go to our website at: https://www.pureairsystems.com or call us on our toll-free number at: 800-869-8025.

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Life Insurance

Life Insurance has many advantages especially if your dependents are on the receiving end of the payout. For you, not so much since your demise benefits other people.

Insurance is designed to cover risk. If you don’t believe that life has risks then don’t get insurance. However, your state requires you have insurance to drive and not having insurance on your home takes real guts…and a large bank account.

This leads us into the discussion of how best to insure ones self with minimal costs and maximum benefits. I am talking about insuring your health. Obviously seeing a Doctor on a regular basis and eating healthy and exercise do matter, but breathing good, clean, pollution free air is also very important.

Pure Air Systems started its business in 1985 selling one of the first true, commercial grade HEPA air filtration systems in the U.S. Beginning with one model over time, PAS developed 6 additional systems over the next decade and today, 32 years after it started, is now one of the major players in the world of HEPA air filtration systems.

These units are designed to be used in residential, commercial, industrial, institutional and medical applications. PAS was the first and is still the only company to apply a large, fan powered HEPA system to any forced air ducted HVAC system in the residential market. Customers who have installed these systems have seen dramatic results in reduction and / or removal of airborne contaminants that can cause severe respiratory dysfunctions.

In addition, the use of the PAS HEPA systems has propelled the companies products into markets all over the world. The use of the variable speed ECM motors in all the units allows them to be used in any country as they can operate on 120/240 50/60Hz electrical systems.

For more information on the complete line of HEPA and Carbon based air filtration systems please go to our website at: https://www.pureairsystems.com or call us on our toll-free number at: 800-869-8025.

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Delta P. The reason you have dust in your house.

With a few exceptions, most homes in the U.S. use some form of ducted heating/cooling system with air returns and registers located throughout the rooms in the house. The central air handler moves air from the returns back to the cooling and heating coils and then moves it back  into the house to either heat or cool the indoor environment.

On the return air side of the air handler where all the returns merge at one point is where the air filter is located. The filter is designed to remove all the airborne dust and dirt that is in the air. Only dust particles in the air that are pulled into the return air grills will be filtered. If the dust particles are too heavy to be airborne they will remain at rest on a surface and never reach the filter.

The HVAC unit in your home is a balanced system. It is designed so that there is slightly more air moving than returning. This helps to keep the house in a positive pressure mode which eliminates in-leakage of cold or hot air. The balance also includes the ability of the blower/motor to move the air throughout the duct work as well as through the air filter. The air ducts and filter all have a resistance known as Delta P or pressure drop. The higher the pressure drop or static pressure the more powerful a blower/ motor will be required.

If the air pressure is balanced with a clean air filter, once the air filter starts to load up the resistance or pressure drop across the filter ( Delta P ) will increase. If the Blower/Motor is not properly sized as the Delta P increases the air flow across the air handler decreases. Once this takes place the amount of air and amount of airborne dust that is in the air will be significantly reduced and you end up with the air handler running more often just to keep the house cool or warm and more dust in the environment.

This is one reason why you need to change your air filter at least once every 6 months and more often if you live in an urban area. For more information on air filtration and how it works please go to our website at: https://www.pureairsystems.com  or call us on our toll-free number at: 800-869-8025.

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