Thank you Tyler....about a year in a half ago Johnson Roofing replaced partial roof - great job. I contacted Tyler as the refrigeration unit detached from the vent and I had thought it was from when they lifted the stand to re-roof. Tyler went out, repaired, explained what else needed to be done as former repair persons tarred the vent and unit, the problem was NOT caused by Johnson Roofing,...but he repaired it anyway, and was very pleasant. I will call again when roofing needs to be done