Whether it’s an indoor or an outdoor HVAC unit, you want to keep the coils as clean from debris as humanly possible. This is all part of good HVAC maintenance, and you want to keep the airflow running as smoothly as possible. One of the signs that you have a blocked coil is how the unit no longer powers on. Cleaning the coils is a quick maintenance hack, but before you begin to clean them, you should make sure that you carefully follow the instructions. Take special care when