Your customers are in their homes a lot these days. Because of this, they are more aware of their HVAC systems and the air it circulates. This awareness leads them to doing many internet searches for the best indoor air quality (IAQ) solutions. The odds are high they find a lot of silver bullets.
In stories, a silver bullet is the projectile of choice to kill scary things that we don’t understand. The term also describes a simple solution to a complicated problem. Unfortunately, silver bullets in the HVAC industry rarely hit the mark because we take them out of context and ignore foundational principles.