Brad arrived at my home and performed my winter tune up and explained to me the steps he was completing. Everything checked out OK and I am all set for another heating season. Brad is a very professional tech and an asset to Air 1 heating & cooling. Brad was well mannered and answered all the questions I asked and did not seem to mind them. He treated my home like it was his own. I would recommend Air 1 to anyone looking for furnace repair or upgrades.