Despite running into the same root cause over and over again, the industry still hasn’t learned that HVAC equipment and an HVAC system are two very different things.
I hope you see the potential for this formula. It will make your life easier and help you predict changes to blower speed settings with more accuracy and reliability.
You perform maintenance each year, but by the next maintenance visit, dirt and grime are in the equipment again. Have you ever wondered why this happens?