It might be easy enough to fit a regular front door yourself, but when it comes to smart doors, it's probably not worth going DIY. 'We recommend having a professional install their doors as they're connected to your home’s power, and the installation process requires a licensed electrician,' Cory notes. 'Homeowners can contact The Home Depot‘s Millwork Virtual Apron experts or visit the website to arrange for professional measuring, ordering and installation services.'