My unit was deemed unrepeatable by another company on a Friday. I made a call to A-Best for an appointment for Saturday. The team came out and explained all my options and we agreed on replacing the complete unit. I thought they would get to it within the week but to my surprise they could have a crew there the next day (Sunday). The team arrived at my home right on time and completed the install inside of 4 hours. They answered all my questions and went over the unit with my wife and I. All in all it was a very good experience. Thanks !!