The best replacement for R-22 Freon is usually R-407c. It has a very low loss in capacity (0 – 5%) relative to R-22 and is less expensive than many other R-22 replacement refrigerants. If a system has R22 in it already you cannot use a replacement refrigerant to simply add to the R22. For one,… Continue reading Things To Be Aware Of When Considering R 22 Replacement Refrigerants
On this page: Indoor Air Quality (IAQ) Management Student Performance Asthma Mold Radon Indoor Air Quality (IAQ) Management Framework for Effective School IAQ Management The Framework for Effective School IAQ Management provides a common language to describe the drivers of IAQ program success; detailed guidance on the proven strategies, organizational approaches and leadership styles that… Continue reading Publications about Indoor Air Quality in Schools
In 2014, the National Center for Educations Statistics surveyed a sample of school districts and estimated that the average age of the nation’s main school buildings was 55 years old – putting the average date of construction for our nation’s schools at 1959. Additionally. nearly one-fourth of the nation’s schools have one or more buildings… Continue reading Take Action to Improve Indoor Air Quality in Schools
Knowledge about air duct cleaning is in its early stages, so a blanket recommendation cannot be offered as to whether you should have your air ducts in your home cleaned. The U.S. Environmental Protection Agency (EPA) urges you to read this document in it entirety as it provides important information on the subject. Duct… Continue reading Duct Cleaning, is it necessary?