Best Robot Vacuum: iRobot Roomba 694 Vacuum-Wi-Fi Connectivity The popular iRobot Roomba 694 Vacuum-Wi-Fi Connectivity ($250, originally $274) is a customer favourite, because it does the work for you. Simply plug it in, set it up, and it'll help keep your home fresh and clean. Image Source: amazon.com iRobot Roomba 694 Vacuum-Wi-Fi Connectivity $250 from amazon.com Buy Now