HVAC Return Air Requirements Every Homeowner Should Know Proper return vent design is not optional—it’s essential. From duct sizing to vent location, HVAC return air requirements directly influence system performance and indoor comfort. Neglecting them can lead to poor airflow, higher energy bills, and faster equipment wear. Our guide explains the best practices every homeowner should follow. Explore the complete guide: https://www.myacguys.com/blog/where-should-hvac-return-be-located/