Today I arrived on site Initial Inspection: Performed a visual inspection of the heating systems for a systems cleaning. Fault Identification: Discovered that the AHUs blower wheels required deep cleaning. Corrective Action: customer is aware of Completing deep cleanings of the three blower wheels. Upon arrival at the property. The client directed me to the basement where the AHUs are. I explained to the client the reason for today's visit. I proceeded to verify the AHUs. I found the blower wheels of the AHUs dusty. I showed the customers the condition of the blower wheels. I also inspected the ductwork of the systems. The ductworks do not present significant accumulation of dust on this occasion. I explained to the clients that it is necessary to consider doing the ductwork cleanings of the systems. The customers chose only to do the deep cleanings in the units for the moment. Office to follow the client with the following estimates and scheduling of the appointments to do