Alberto was very professional and honest. Our AC unit is 24 years old and was not cooling right. Alberto came by on a Saturday morning on time as promised. He looked at the furnace unit and noticed a part was the problem. He did not pressure buying a new AC but I know I will need one soon. He changed the part and the AC working great and the cost was very, very reasonable. My wife and I are on a budget and his charge was very reasonable.