There’s a laundry list of what to do when it comes to maintaining an HVAC system, but regular coil cleaning is an item that makes its appearance closer to the top of that list than the bottom. Be they indoor or outdoor, coils need attention, and regularly cleaning them can yield efficiency improvements for customers and increased revenue for contractors. To do this, contractors must understand the fundamental benefits of regular coil cleaning, be able to explain those benefits to their customers, and develop a process for their service technicians to follow.