How to properly clean your airconditioning system

For a Home air conditioning outside condenser this is the best video I could find. I would like to give 2 precautions 1.) don't let the coil cleaner dry on the coil and make sure you get it 100 percent off. 2.) be careful when spraying the fins not to bend them. If you accidentally pull the wires out of the fan and can't figure out where they go then your going to have to pay a service fee to have someone come out and wire it back up so be careful there too.  If you have a window AC this is a good video.  Is your Indoor evaporator cloged and need cleaned ? You can clean it in place very carefully with a brush and a small stream of water will go into drain pan here is a good video for Indoor Evaporator.  Or is it your blower wheel that needs cleaned?