My central heating & a/c system was having some major complications as of late. When you go to shut it off, the central heating & a/c system will just keep running for almost 20 minutes before finally closing down! This is a real issue. So I decided to finally chop down & call my local heating & a/c company to send out a certified heating & cooling specialist to come out to see what was going on with my central heating & a/c unit. When the heating & cooling specialist from the local heating & a/c company showed up & had a look at things, it seemed some kind of relay switch inside the temperature control was having complications. This is what was causing it. So the service was to get a brand current temperature control. Which thankfully the heating & a/c specialist had on his truck. So I was able to get my temperature control upgraded & get my central heating & a/c system laboring again. This was a great thing because I was worried that the issue could have been much worse than just a temperature control being broken more or less. So now my central heating & a/c system unity is fully back up & running again as it should & it turns off when I undoubtedly switch it off! That is the way it all went down & again, I am thankful for this because I did not know what I was going to do if I needed a current Heating & Air Conditioning unit.