There are several signs that it might be time for you to consider having a maintenance appointment performed on the HVAC system. One of the greatest signs that trouble is on the way is a high electric bill. When your energy bill is higher than usual, there may be concerns with the HVAC system. Most of the time during the summer, the electric bill for my apartment is around $400. I have a 2500 ft property with an in-ground pool. The pool is not heated. If it was, I could spend another $100 every month on the energy bill. This month I acquired the energy bill and it was $625. There was entirely no reason for the energy bill to be that high. My buddy and I didn’t do anything strange this month than the previous month and hot and cold temperatures were correctly the same. When I acquired the higher than average utility bill, I immediately contacted a local HVAC supercenter to schedule a maintenance appointment. I told the lady on the iPhone that I was nervous about the higher energy bill that I acquired and she told me that it was a undoubtedly good idea to call them for help. They could perform routine and respected maintenance on the whole system and find out if anything seemed out of the ordinary. It didn’t cost undoubtedly much cash for the maintenance appointment. In fact, I found a coupon on the website which entitled me to save $30 on the price. After the service appointment, I found out that the air duct was the problem. I need several spots sealed and repaired.