Filtration
Match filter discussion to the equipment and household rather than making broad health claims.
Filtration, airflow, humidity, and ventilation topics organized around the way the home actually feels.

Match filter discussion to the equipment and household rather than making broad health claims.
Look at room-to-room comfort, return paths, vents, and equipment operation as connected factors.
Discuss how the home feels and what the system is doing before considering control options.
Make schedules, settings, and alerts understandable without adding controls the household will not use.
This demonstration validates locally and sends nothing.