I had to make the painful decision to buy a new AC/Heat unit this past summer. I called David to give me a quote and hired him. The AC was good during our Texas heat and to my surprise the way it heats my small house is incredible! My other system did a very poor job of heating so I’m very happy with my purchase and hoping it stays good for years to come! David was very good to me and I’m telling all my family and friends about him!