Floor vents may be small details, but they play a big role in airflow and overall comfort. For installation, always measure the duct opening—not the old vent cover—to ensure the right fit, especially with flush-mount or custom designs. Once sized correctly, prepare the area, set the vent in place, and test airflow to confirm smooth circulation without leaks. Maintenance is just as important. If you notice weak airflow, dust collecting beneath covers, or dampers that don’t work properly, it’s time for cleaning or replacement. Regular vacuuming, dusting, and using safe cleaning products will keep vents clear and efficient. When issues become more complex or fitting feels tricky, seeking professional help guarantees proper installation and long-lasting performance for your HVAC system.