A fairly common home appliance, an efficient filter is necessary for any HVAC system. These filters are composed of two elements: spun fiberglass (the same material used for attic insulation) and pleated paper encased in cardboard for structural strength. Air filters must then be installed in the return duct near a central hallway or other common areas. Call us at (626) 217-0559 and schedule a free consultation!
read more..