One of the first questions I had when I started with SpeedClean was “How does an AC system really work?“. We’re in the business of making system that clean condenser and evaporator coils, among other things.  I had basic questions about how the ac systems worked and about how condenser and evaporator units utilized coils in heat exchange transfer. Without understanding this, I wouldn’t be able to explain the benefits of keeping coils clean. I found that “How stuff works” was a fantastic resource.

Here’s a link if you want to forward to your customers or are looking for refreshers yourself. It discusses the basics of…

Check it out. I know it painted a much clearer picture for me.