Using HEPA filters in the home is an easy and accessible way to curb heart disease say researchers. Exposure to fine particles in the home can lead to blood vessel inflammation that leads to heart disease. In a recent study Canadian researchers found that HEPA filters can reduce fine particle concentrations inside homes by 60% … More
Articles
The Effect of Particle Removal Effectiveness on Particle Levels in an Office Environment
Particle removal effectiveness is a function of filter efficiency and the air exchanges per hour but also of outdoor to indoor particle transfer, particle size and indoor activity. The purpose of this paper is to analyze the effect of air cleaning on particle counts in an office environment attached to a manufacturing facility. A 10′ … More
Are Portable Air Purifiers Effective for Reducing Indoor Allergens?
A study by researchers at Johns Hopkins provides some interesting insight into the use of air purifiers at reducing indoor allergens. At a recent meeting of the American Academy of Allergy, Asthma and Immunology (AAAAI) Johns Hopkins researchers presented findings of tests conducted with three air purifiers in reducing mouse allergens from the air. The … More
Children in Neighborhoods Near Highways and Railroad Intersections at Risk for Asthma
A study by Mayo Clinic shows that children living near traffic intersections at greater risk of developing asthma. Mayo Clinic researchers recently released data showing children who lived near major highway or railroad intersections have a higher risk of developing asthma. The researchers used this study to show how neighborhood environment is a risk factor … More
Study of Particle Counts in School with Mechanical Ventilation Produces Surprising Results
This study shows that a school with mechanical ventilation and a variable volume make-up air system using MERV 8 pleated filters has significant reductions in small particles but lower than expected reductions in particles in the 3 to 10 micrometer range. Health professionals often recommend that asthmatics and others with respiratory diseases stay indoors during … More
Tex-Air Filters Purchases Pure Air Filter Company of Dallas
In response to numerous customer requests Tex-Air Filters is pleased to announce that the company now has a physical presence in Dallas. The company purchased Pure Air Filter Company of Dallas and now operates out of a new location at 11251 Leo Lane, Dallas, Texas 75229. Phone numbers for this location are Office 214-247-7101 and … More
How to Use Proper Filtration and Differential Pressure to Help Control Contamination During Health Care Facility Construction
Between July and September of 1994 technicians in the clinical microbiology laboratory of Wilford Hall Medical Center at Lackland Air Force Base in Texas found Aspergillus niger in 17 clinical samples submitted for 15 patients at the hospital. This caused a great deal of consternation for two reasons: 1. The incidence of Aspergillus niger … More
What is a MERV? Air Filter Testing Explained
It is important to understand what a MERV (Minimum Efficiency Reporting Value) means when it comes to air filters. This article explains how a MERV is calculated and gives information on how it should be used to evaluate air filters.
How to Select the Right HVAC Filter
What is the right filter for your job? Today, more than ever, there are a large variety of filter choices for every application. Filters come in a wide range of efficiencies, pressure drops, depths, media types and methods of filtration. There are filters that will withstand very wet environments as well as filters designed for … More
There is Still Something in the Air
The May 2005 issue of Consumer Reports presented new concerns about ionizing air cleaners (ionizers). The magazine reported the results of tests they had conducted with 5 ionizers including the Ionic Breeze sold by Sharper Image, the market leader. Other units tested included the Brookstone Pure-Ion, the Ionic Pro, the IonizAir and the Surround Air. … More