This safety lesson covers how HVAC technicians can work safely at heights when on rooftops, ladders, or elevated platforms. It explains how to identify fall hazards, use proper fall protection equipment, and inspect ladders and anchor points before work begins. The video highlights the importance of staying alert, following company procedures, and using PPE such as harnesses. By following safe practices, HVAC workers can reduce the risk of falls and stay compliant with OSHA rules.