Search query: Fan Speed Adjustment
Video title: How To Adjust Fan Speed On A Rheem Variable Speed Furnace

This video shows how to adjust the fan speed on a Rheem variable speed furnace. The homeowner is experiencing poor airflow and a low temperature drop. The video shows how to identify the fan speed setting and how to adjust it using dip switches. The video concludes with the homeowner testing the airflow and confirming that the fan speed adjustment has improved the system's performance.