The recently released Withings Thermo has already broken into our list of the best smart home products you can buy right now. The advantage of Thermo is that it lets you take super fast contactless readings of your body temperature without the need for it to be poked under your tongue or armpits. With just a mere sweep across the forehead, Thermo takes its readings from the temporal artery which is considered to be the best spot to detect temperature as the blood there comes from the core of the body. As there is no body contact involved it the cleanest method available to measure your temperature.