The service people were very polite and professional, they explain what the service covered and did we have any questions, they had on mask and shoe covering while in the house. Before finishing they also went over other services that were offered and we took the disinfecting. When they had finished they asked again did we have any questions and also showed us photos inside the ductwork so we can see the before and after, we were very pleased with their service and recommend them to anyone who needs their ductwork cleaned.