HVAC systems are normally used during winter and summer seasons. Unfortunately, these systems can malfunction without any warning when needed the most. Therefore, it is recommended you implement measures to prevent costly HVAC repairs; the following tips might help you. The transition from air conditioning to heating puts a lot of strain on the HVAC system in your home. Even if your AC system runs smoothly throughout the warm season, the HVAC system switches to heating when the cold season arrives, and the entire system may not be performing optimally.