The following information will - In My Opinion- help you become better at diagnostics and less of a parts changer. I will take you through  Basic Electrical, Basic Refrigeration, components, troubleshooting of electrical systems using schematics and basic refrigeration troubleshooting.                                                                                              The beginning information may seem boring, but I believe necessary. Not all the information will be needed for the job you do, but is necessary to build on the ideas that follow.                                                There will be Quiz’s and tests on all the information presented. I have not decided on how the Quiz’s and Tests                                                will be presented.                                     NOTE:The following information may seem to be  disjointed, but in time I will try to restructure the paragraphs. Tech            Air Conditioning & Heating