The function of a HEPA air filter is to remove not just dust and debris from your HVAC system, but also much smaller irritants such as pollen, mold spores, and pet dander. That doesn't mean that installing a HEPA filter will solve all of your problems, however. If you are considering upgrading the air filter in your home's HVAC system, read on. This article will present two complicating factors that you should take into account first.
3 March 2017