if the climate is hot and humid. The Southeast faces this problem every single year. Mild summers are practically unheard of! It's no surprise that heating and air conditioning companies are extremely busy during the summer months in this part of the country. One of the reasons is that some people don't seem to make the connection between maintaining a cool and comfortable temperature in their home, and how much more difficult that is as the temperature increases outside. Some people don't seem to realize that the higher the temperature and humidity is, the harder their air conditioner system has to work in order to keep them cool and at their preferred temperature. This is especially true for people who insist on setting a consistently low temperature on their thermostat in spite of extremely high temperatures outside. The air conditioner system has to work much harder, and it causes the kind of wear and tear that can cause a system to completely fail. Obviously, one tip off that your air conditioner system is working harder is a higher energy bill. Some people may actually be willing to pay higher energy bills to keep cool, but these people also need to understand that the cost for HVAC maintenance will also be quite steep If they do not maintain their unit. In short, if you get a lot of use out of your air conditioning system, there is going to need to be an equally proportional amount of service done on the unit If it is going to last for a significant amount of time. It may be a drag to pay service fees, but they are a lot less expensive than completely replacing an HVAC system.