some insulated blinds on here and some insulated curtains. reporter: that could be a big cost savings. it could be significant. reporter: all right, so, this is the garage. next, a fix for that garage letting in cold. those are big gaps up there. we want to potentially add some insulation to this ceiling, and we want to really create a buffer between the room above and this cold garage that we re standing in now. reporter: finally, consider investing in a smart thermostat. these thermostats have sensors that can be placed around your home, and those sensors will help the heating system know where you are in the house at all times. and it ll send heat to those rooms. reporter: and david, be sure to check with your utility company. many have incentive programs with rebates to help cut the costs of those smart thermostats. david? all right, rebecca, thank you. when we come back, the urgent search for a missing son tonight. the plea for help after an argument over his gra