If at all you want to perform repair or replacements on your unit, you should know what you will be dealing with. Most importantly, get the idea of all the components found in the unit. They are very many in number and without the right information, you might just end up making the wrong connections. Especially if you are not an expert, you need to gather enough information just to be on the right track. There are some mistakes relating to air conditioning repair services that you need to know.