HVAC technicians are responsible for ensuring the safety of their clients. It includes ensuring that their workplaces are safe and protecting them from injuries or illnesses caused by exposure to chemicals, dust, harmful particles, and other hazards. Because the work of HVAC technicians can be dangerous, these workers must follow OSHA regulations. These regulations include requiring employers to provide training for new employees on how to use hvac equipment safely. They also mandate that employers provide respirators to workers who may be exposed to harmful chemicals or bags of dust during their jobs.