I found the salesman to be very knowledgeable and willing to discuss my needs until all the questions were answered. The installation crew were very professional, explained everything they were doing or were going to do on that day, very courteous, very safe (always wore masks), polite and always cleaned up after themselves. 6 man crew the first day and they appeared to be a well oiled machine, they all worked very well together. A1 services in my opinion!