6 Ways To Insulate Your Drafty Windows (When New Ones Aren't in the Budget) 6 Ways To Insulate Your Drafty Windows (When New Ones Aren't in the Budget) You could keep layering on fuzzy socks and sweaters, or you could make your old windows more energy-efficient by trying these tips from the pros. Lisa Marie Conklin, provided by Feb. 22, 2021 FacebookTwitterEmail Stop us if this sounds familiar: Your thermostat is hiked up to 74 degrees, you're covered in blankets, you've donned your fuzziest socks—and your house still feels cold. The likely culprit: Drafty windows. Whether they're old as dirt or just not energy-efficient, windows that let in cold air not only bring down your home's temperature but also raise your heating bills because your furnace is working overtime.