There are so many advantages for home owners who have home energy audits done. Of course being able to save money on home energy bills is one of the main reasons people have these types of audits done on their homes. Now there are many tax rebate and incentive programs available to people who have energy efficient homes. Since there are so many money saving advantages for people with energy efficient homes more and more people are looking for someone to do an an energy audit on their homes. People who do these type of audits go through extensive training to get their RESNET certification.RESNET is a nationally known organization that does energy audits on homes. Many different things are covered in RESNET training, before someone can get their RESNET certification. Things such as duck leakage and blower door testing procedures are covered in this training. Those who go through RESNET training are also taught how to determine air leakage. They are also taught how to determine azimuth. People going through training also taught the different types of heating and cooling systems and their efficiencies. They are also taught how to correctly calculate different shaped areas. One of the most important things taught in this course is quality assurance.