It’s a terrible feeling. You know your air conditioning system isn’t working right, but you don’t know what’s wrong, whether it can fixed without having to get a new system and how much it will cost you to be cool in your own home again.
If your AC system isn’t working, there’s usually no mystery about it when a trained professional takes a look. Here are the four most common issues that keep air conditioning units from working well:
1. Refrigerant leaks. Your AC unit requires a certain amount of a substance called refrigerant. If it doesn’t have enough, it won’t work right. Refrigerant can leak from a system in a variety of ways, and the reason for the leak needs to be found and fixed. Then, the system needs to be recharged.
2. Poor maintenan...