True or False: Technicians who repair HFC-134a MVACs must be trained and certified by an EPA-approved organization.

Technicians who repair HFC-134a MVACs must undergo training and certification through an EPA-approved organization because HFC-134a is a refrigerant that is subject to regulations aimed at protecting the environment. The EPA requires technicians to be properly trained in handling refrigerants to minimize the release of harmful substances into the atmosphere. This certification ensures that they understand the safe handling, recovery, and recycling procedures necessary for maintaining compliance with environmental laws and efficiently performing their duties. Being trained and certified also enhances the technician's skill set, ensuring they are capable of executing repairs in a manner that promotes sustainability and adheres to safety standards.