Take a Breath…Take a Deep Breath Now.

As humans we take a lot of things for granite. Rotation of the earth which produces gravity, land to walk on and water to swim in, and the ever present source of life, the Sun.  Being able to breathe the atmosphere in our environment is also something we take for granite. Interestingly most of us know little about the air we breathe. For example, the atmosphere we exist in is comprised primarily of oxygen and nitrogen. Oxygen comprises 21% while Nitrogen comprises 79%..( actually a little less than 79% as there are some trace elements in the atmosphere as well). In reality we are actually Nitrogen breathers although at the surface pressure of 1 atmosphere our bodies don’t absorb the Nitrogen, but they do take in the Oxygen.

When you have a cold or some form of upper respiratory infection you often find it is difficult to breathe. In actuality the lungs are probably full of mucus and the surface capacity of the lungs to take in Oxygen are significantly reduced, therefore requiring longer and deeper breaths just to get the amount of Oxygen your body requires. This same problem exists when you have lung damage due to smoking or breathing large quantities of airborne particulate in your work place over long periods of time. Ingestion of small, sub-micron sized particles create challenges for the lungs as these particulate tend to stay logged in the lung linings and mucus membranes.  People who smoke have difficulty in running or walking long distances as they get “short of breath” very quickly.

Small concentrations of harmful, respirable sub-micron sized particles, inhaled over a long periods of time can also significantly impair the lungs ability to take in Oxygen. Individuals who work in environments where dust is generated on a continuous basis are more susceptible to lung damage than those working in an office type environment. Even when technicians where masks or respirators, these individuals are more at risk than most.

In 1985, Pure Air Systems was founded to provide a series of commercial grade HEPA and Carbon based systems for the residential, commercial, institutional, industrial and medical markets. Today, the PAS line of HEPA, fan powered systems are used in a wide variety of high performance applications around the world. Removal and reduction of small particles are the key benefit of using HEPA filters. Those used by PAS are initially rated at 99.99% removal of particles 0.3 microns or smaller and approach 98% removal of particles 0.12 microns and larger.

Over the years many home owners have purchased the HEPA units from PAS and found the number of colds, upper respiratory infections, allergies and even headaches were significantly reduced. The same is true of those companies and medical operations that used the PAS HEPA systems. Product through-put, reduction in transfer of airborne pathogens and allergens, increase in product quality and reduction in loss work time for employees were all positively affected when using the HEPA systems on a regular basis.

For more information on the complete HEPA and Carbon based product line please go to our website at: https://www.pureairsystems.com or you can follow us on Twitter @pureairsystems or like us on our Facebook page. Of course you can always call us on our toll-free number at: 800-869-8025.

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HEPA System Working At Minus 34 Degress C

In the over 27 years that Pure Air Systems has been manufacturing and selling commercial grade, high performance HEPA and Carbon based air filtration systems, we have installed our systems on some of the most unique and unusual applications and locations. From oil tankers in the Middle East, mobile surgery units in Africa and units in evidence rooms in police stations, PAS systems have been used in applications that required high performance in severe environments.

Over the past six months, the High Altitude Observatory, a division of the National Center for Atmospheric Research has been testing an highly specialized optical instrument at their laboratory in Boulder, Colorado. This instrument will eventually be shipped to the HAO in Hawaii. Because of the critical nature of the environment in which this instrument must operate, the unit will require an ultra-clean air flow the instrument at temperatures ranging from minus 5 degrees C to plus 40 degrees C.

The HOA purchased one of the HPS 500 portable HEPA units from Pure Air Systems to test its overall capabilities six months. They tested the unit and made sure it would work within the overall boundaries of the operation window for the optical instrument. The HPS unit passed with flying colors and now the HOA has purchased a second unit for their facility in Hawaii. Their only real concern was the operation of the motor at these extremely low temperatures.

The EBM blower/motor used by PAS, is a German made unit that is designed to operate in extreme cold and heat. The operational parameters of the EBM blower/motor are well within the operational requirements set by the HOA and NCAR. The units will be running on a 24/7 basis so durability and performance are paramount in this application. The fact that  Pure Air Systems was able to provide the type of HEPA filtration system HOA needed is not surprising. PAS has been providing the best commercially made, high performance HEPA systems to the commercial, institutional, medical, industrial and residential markets since 1985.

Pure Air Systems offers a complete line of HEPA and Carbon based, fan powered, certified HEPA units ranging from 50 CFM to 2000 CFM and in seven different configurations and designs. These systems can either be used attached to an existing HVAC system or as stand-alone units. With the exception of the HPS series, all of the PAS units utilize the newer ECM variable speed, digitally controlled motors that are rated 120/240 volt, 3 phase, 50/60 Hz.


For more information on Pure Air Systems, please go to our website at: www.pureairsystems.com. or follow us on Twitter @pureairsystems. Of course you can always contact us anytime on our toll-free number at: 800-869-8025.

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Portable HEPA Systems

Portable HEPA units have been around since the early 80’s. The majority of the early versions were round, using a doughnut shaped HEPA filter, wrapped with a prefilter/carbon media to capture the larger particles. The blower/motor was inside the HEPA and pulled the dirty air through the HEPA through slots or holes located  in the outside of the case and the clean air exited through the bottom.

Most of the early versions had three speed motors so you could adjust the volume of air based upon the size of the room or amount of noise you could tolerate. The air volume movement for the units, as measured in CFM, ranged from 50 CFM to 250 CFM. However two major problems occurred with these units. First, any speed setting above the lowest one created enough noise to make you slit your wrists…twice. Second, the rated air flows never approached the stated CFM volumes from the manufacturers. This meant you had to run the system at its lowest setting if you were in the room and then it would take a very long time to clean all the air in that room. But they were the only game in town.

Subsequent portable HEPA units were not much better. Where the original was made from metal and heavy duty plastics, the newer units, mostly imported from overseas, were all plastic. They were just as noisy as the first units but were less expensive and the replacement filters were cheaper. These units used what was called, faux HEPA filters. They were not certified or designed using any of the certified HEPA filter rating systems but they were still called HEPA units. The public had little choice to purchase these if they want HEPA filtration for their indoor environment.

Pure Air Systems was started in 1985 and from the beginning used only commercial grade, certified, metal framed HEPA filters in their systems. Over the years PAS developed a range of larger units using variable speed, digitally controlled motors that could move from 100 CFM to 2000 CFM of HEPA filtered air. And do it rather quietly. These systems were designed to be attached to existing HVAC systems or be used as stand-alone  units.

In 2005 PAS began working on the design for a new portable HEPA unit that would be a commercial grade, powerful and quiet unit with air flow volumes two to three times the levels of the current units on the market. These systems had to be small and light enough to be easily transported and be rugged enough to with stand the abuse of use in commercial and institutional environments. After 16 months of trial and error the HPS 350 and HPS 500 were born. The most powerful and effective true HEPA portable units on the market today.

For more information on the technical specifications you can go here and find out all about the HPS series by Pure Air Systems. You can also follow us on Twitter @pureairsystems or call us on our toll free number at: 800-869-8025.

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Two Hospital Labs Use PAS Portable HEPA Systems

Recently two major hospitals purchased one the model HPS 500 portable HEPA systems by Pure Air Systems. They are Bellevue Hospital in New York City and Rhode Island Hospital in Providence Rhode Island. The HEPA units were purchased for the medical laboratory for each Hospital.

Bellevue is the oldest public Hospital in the country, founded in 1736, and one of the most well known in the U. S. Rhode Island Hospital is one of a group of medical facilities in Rhode Island which service almost the entire state. Each of these Hospitals enjoys a reputation for providing state-of-the-art medical care using the latest advancements in medical technology.

A clinical laboratory or medical laboratory is a laboratory where tests are done on clinical specimens in order to get information about the health of a patient as pertaining to diagnosis, treatment and prevention of disease. These facilities maintain a semi-clean room environment so there is no cross contamination of specimen samples.

The Pure Air System portable HEPA units use a certified, commercial grade HEPA filter that removes 99.99% of airborne particles 0.3 microns or larger and removes a high percentage of particles down to 0.12 microns. These units are fabricated from powder coated steel and use a four speed blower/motor assembly to allow for variations on air flow to meet the specific needs of the customer. These units also have a combination prefilter/carbon medial filter to remove large particles, reduce odors and help maintain a longer life for the HEPA filter. With air flows up to 500 CFM the portable units can provide significant air exchange rates even in large areas.

The HPS series of portable HEPA units are approximately 13″ square  and 21″ long and weight less than 30 lbs. They are rugged and designed for continuous use operations. These units represent some of the most powerful,portable, true HEPA filtration systems on the market today.

Pure Air Systems has been manufacturing high end, commercial grade, HEPA filtration systems since 1985 and has their systems in commercial, institutional, industrial and residential applications around the world. So for Bellevue and Rhode Island Hospitals, the choice was easy. Buy the best portable HEPA systems on the market for their laboratories.

For more information on the HPS series of portable units and to view the complete line of HEPA and Carbon based air filtration systems please go to our website at: www.pureairsystems.com. Or call us at: 800-869-8025.


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