A/C and Cooling Compressors/Motors Services and Repairs - The compressor is the motor (or engine) of the cooling system. It’s normally at the bottom of the freezer in the back. It’s almost always black and about the size of a football. If the freezer is self-defrosting, the compressor may be behind a thin panel. If your compressor needs repairing or servicing you have got the right company - Call us now!