Lack of a single point of contact like a foreman during the work was a negative.
Mike discovered that a large duct had completely disconnected from its junction, took a photo for me, and put it back...
Mike O'Bier called before he came, showed up on time and explained that a dead battery had caused the crazy readings....
Except for a change at the last minute, all went well. A little better coordination between the sales rep and schedul...