For roof top units, how far back from the edge of the roof should the appliance be installed?

The correct answer is 6 feet because building codes and manufacturer specifications typically require that rooftop units be installed at a minimum distance from the edge of the roof. This clearance ensures safety from potential falls and provides sufficient space for maintenance personnel to work safely around the unit without the risk of accidentally stepping off the edge. Additionally, this distance helps to prevent any potential damage to the unit from wind uplift and ensures proper airflow around the appliance for efficient operation.

Safety regulations often dictate these requirements to minimize liability and promote safe working conditions. Adhering to the six-foot distance is a widely accepted practice in the installation of rooftop HVAC equipment, ensuring compliance with code and best practices in the industry.