Arrived to the customers home and greeted him at the door. Spoke with the customer about how the system has been performing since this summer. Customer states since the repair was made system has been performing extremely well even during the recent cold weather. Completed today’s maintenance inspection, confirming all components and operations were within manufacture specification. Informed customer to continue thinking about the indoor air quality products. We’ve went over now that the system has been cleaned and they are continuing to keep it clean. Emailed all estimates an checklist returned to service