Kevin was so kind and helpful. He took the time to explain everything to us and reassured us we did not need a new system and that everything was ok with our current unit. This was the first time we have used Air Assurance, as we were unhappy with the previous company we were using. We made a great choice in using Air Assurance and we will use them the next time we need any service. Everyone we have spoken with has been so nice and helpful. Thank you!