knowledge matrix on Instagram: "When an HVAC blower wheel becomes heavily coated with dust, grime, and debris, airflow drops sharply, forcing the system to run under extra load. This added strain lowers energy performance, drives up electricity costs, and can eventually damage the motor far sooner than expected. One of the main reasons this buildup occurs is skipped or delayed air-filter changes, allowing fine particles to slip through and settle on the blower blades. Replacing filters every one