A lapsed car registration effects everyone no matter what you drive, whether it is a gas guzzler producing more smog than a Beijing city street or an emissions-free electric vehicle. You can’t go back to the gas station and blame them because you failed to take care of your car. It wasn’t the gas that caused a failure but owner neglect. The same applies to your HVAC/R units, their owners and the contractors that service them. Do you know what you’re responsible for?