1.A programmable AC booster fan with a thermostat and 10 different speed options that'll ever so quietly maximize the airflow that your central HVAC system is blowin' all unevenly through your home.

Duct booster fans are consumer products - at least in my experience. I don't remember an HVAC professional using or recommending a duct booster fan on any job I've worked on. The only reason you would ...