ANo—closing vents raises duct static pressure, can increase leakage and risk coil icing, and may raise energy use. Use proper zoning or balancing instead.
ACheck monthly and replace/clean every 1–2 months during heavy use; homes with pets, dust, or allergies may need more frequent changes. Proper filtration protects coils and airflow.
AStart around 75–78°F when home and raise the setpoint by about 7–10°F when away for 8 hours to save roughly up to ~10% annually, while keeping humidity under control.
