A home energy checkup helps owners determine where their house is losing energy and money – and how such problems can be corrected to make the home more energy efficient. A professional technician – often called an energy auditor – can give your home a checkup. You can also do some of the steps yourself. Items shown here include checking for leaks, examining insulation, inspecting the furnace and ductwork, performing a blower door test and using an infrared camera.