Mr. Rodriguez arrived in a timely manner. He was very polite and personable. He introduced himself. Mr. Rodriguez was knowledgeable. I told and showed him the problem. He located the specific problem, and he explained solutions and pricing. He worked diligently and efficiently to accomplish the task. He kept me informed of progress and explained what he was doing. Punctual, friendly, knowledgeable and efficient. Great friendly service. And it was a Sunday! Thanks.