Basically we had an issue in the middle of the night with the air conditioner. Ace Solves It All, LLC came probably within an hour and a half of calling. They came within the time they said they would, and fixed and replaced the part. It was something in the coil in the air conditioning units that needed to be fixed. My husband heard about Ace Solves It All, LLC through a radio talk show he was listening too. We've been a customer of Ace Solves It All for two months. They're dependable, efficient, and do what they say they're going to do!