Since 2003 AV Upgrades staff has design, installed, programmed and integrated Control4 products and services into homes and businesses ... Making AV Upgrades the most experienced Control4 Dealer in the Triad Serving Greensboro, Winston Salem, Lewisville and the surrounding areas with over 20 years experience in Home Theater and True Home Automation design, installation and programming. AV Upgrades specializes in the integration and true automation of your new or existing home. AV Upgrades offers only the best in sales, design and installation.