Day and Night Mechanical Solutions came out back in November, I think, to take a look at my heater. It was just an annual check up, to make sure it was working before winter came. I was very pleased with the guy who came out, he was very nice and very polite. The price was within the range of others services in the area. This was the first time I had worked with Day and Night, though. They were on time on the date when they said they would be here and they were very prompt, courteous, and knowledgeable. I would definitely recommend them.