The inside of heating and cooling systems can become a breeding ground for germs and bacteria. After all, there are typically dark, damp, and dirty. This has an effect on the quality of the air that we breathe indoors. Those who are sensitive can develop respiratory ailments as a result of their growth. Periodic cleaning is a good way to keep them at bay. Installing the best UV light sanitizers is another option.
UV light has the ability to kills germs upon exposure. Effectiveness depends on the strength of the rays and the period of exposure. There are now several products on the market that are designed to be placed inside HVAC systems for passive sanitation. You simply leave them there and they will take care of the rest. They will zap all of the unwanted microorganisms that come their way.