Home Depot offers the Genie ChainLift 600 1/2 HP Chain Drive Garage Door Opener w/ Remote, model no. 1022-2TX, for $119. Coupon code "HDSPRINGBF" cuts the price to $109. With free shipping, that's the lowest total price we could find by $10. The full-drive chain assembly lifts sectional garage doors up to 350 lbs. and 7 feet in height. It includes two remotes and a wall-mount push button.