Allergies & Asthma Understanding Ventilation Systems Pet Dander Can Affect Your Air Quality January 7, 2010 by admin Pet Dander is one of those microscopic particles found in many homes that can cause allergic reactions and trigger asthma. Here is some more information about pet dander and what you can do to reduce the amount of it in your home. What is Pet Dander? Pet dander is not animal hair; it is the […] Read more » Air Duct Cleaning Allergies Asthma Cat Dander Dog Dander Indoor Air Quality Pet Dander