It's been very helpful that I mostly dealt with the same guy Mark. He's incredibly knowledgeable. They replaced a water heater for us from two tanks to tankless. He's good at describing everything. They also replaced one of our two air conditioners. The products are not inexpensive and he effectively explains price differences. They are very customer service oriented. I will call them when we need our other air conditioner placed. Additionally, they are very timely. Trey are good about calling to give me a window of when they'll be there which is not the case at other places. They offer a variety of products and can explain the differences between them. They are very reliable. I highly recommend them for their professionalism and customer service.