Fan power is proportional to the cube of airflow. Reducing fan speed by 20% reduces power consumption by nearly 50% (P2/P1 = (RPM2/RPM1)^3).
The final page is a blank form: "Monthly Inspection Checklist." Empty checkboxes stretch into the white void, waiting for a hand that will never sign. And below them, a small footnote: "Plume visible under high humidity conditions."
