Video: What's included in an HVAC tune-up?

Your HVAC system needs some love and attention periodically.

Some maintenance you should be able to do yourself — such as changing the air filter.

A recommended HVAC pro can give your system a complete tune-up, which should include such tasks as sealing ducts, cleaning coils and checking Freon level.

Watch this video and learn what an HVAC tune-up involves and the estimated cost for the service.