Ed Sherbenou articles
PhotoCatalytic Air Purifier
The photocatalytic air purifier is based on photocatalytic oxidation (PCO), an emerging air purifier technology that converts fine (UP to .1 micron) particles (NOT larger particulate) and toxic gasses into safer compounds. PCO is FDA
UV Air Purifiers: The Twilight Zone
UV air purifier technologies focus on disease organisms. In air purifires, ultraviolet light is generally used in combination with other technologies. It is used in photo-catalytic air purifiers (next article), or used to convert an
Negative Ionizer as an Air Purifier
Today negative ionizers, once sold as health devices, are marketed exclusively as air purifiers. In the last decade a new “dual polarity ionizer” has come to market, emitting BOTH positive and negative ions. Examples include
HEPA Air Filter Efficiency; Backpressure and Bypassing
The HEPA air filter is the air purifier industry standard, although air filtration with technologies other than HEPA is selling well. This odd-sounding acronym is short for “High Energy Particulate Arresting” filter. (Pronounced with short
Clean Air Technology – Explained
With so many products claiming to clean air, purifier technical evaluation is very challenging. New products claiming technological breakthroughs are introduced with heavy marketing faster than serious reviewers can adapt. My all time trademarked air
Art Materials: “danger on the edge of town”
There are multiple threats to our health in today’s world. Art materials should not be among them. Artists are exposed to a number of potentially harmful chemicals and particles. Department store air purifiers are not
Office Desktop Air Purifier: “Allergic to my Job!”
Almost three quarters of the US workforce spends their work week in artificial indoor office environments. Millions are dependent on air provided by commercial scale air conditioning systems. Poor indoor air quality in the workplace, where symptoms
Candle Soot Damage
An “emerging” indoor air quality problem is soot from candles. The “discovery” of sooting in homes from candle burning has accompanied the rapid growth of a multi-billion dollar business. Defenders of the candle like to
Indoor Air Cleaners for the Haunted House
An indoor air cleaner should match the scope of the problem it is purchased to solve, and the size of the room to be cleaned. The first step toward clean air is the removal of toxic sources
Allergy Air Purifier
Many people know that for relief of allergy an air purifier should remove airborne allergens. However, each category of airborne allergy trigger can respond differently to air purification technologies. Since allergies can progress to other