I had a gas leak and needed it fixed next day. ASI called the night before when I put in the request on-line (very good scheduling method) to confirm the appointment and to make sure my warranty co. had sent them the correct request. Mr. Mike Sloan gave me a courtesy call about 30 minutes before he came, did great work, talking me through everything and then explained what he had done and the warranty plan well when he was finished. Would recommend ASI