A lot of homes struggle with pests. These insects and animals often seem to find their way back into residential properties after they’ve already been repelled. Not only can they infest your actual living areas, but pests can also enter your HVAC system. When they do this, they cause a vast range of issues. For instance, they might start breeding in your home and living in the ducts. Once they do, they’ll leave behind things like shells, fur, carcasses, wings, and even fecal matter. Click through to read more on this subject.