A modern energy audit puts your home through a stress test of sorts to find out if, how and where it might be leaking heating or cooling dollars. The technicians who perform this investigation draw a vacuum on the entire house, pressurize air ducts, employ infra-red temperture sensors and use numerous other techniques to track down potential energy wasting situations. Often, this service is available from your local utility comnpany at little or no cost. A thorough audit not only identifies problems, but also provides recommendations on how to correct them. This video demostrates many of the methods and procedures commonly used.