Do all appliance compressors require start relays? Appliance Repair Questions › Category: Appliance Questions › Do all appliance compressors require start relays? 0 Vote Up Vote Down Scott asked 8 years ago Do all appliance compressors (ac, fridge, dehumidifier) require a start relay? I know my dryer (motor, not compressor) does not. Please login or Register to submit your answer Username or Email Address Password Remember Me