Many of you have seen the advertisements for the smartphone-controlled dampers that fit into a duct system to control airflow into individual rooms. They seem like cool devices. After all, you can manage them from your smartphone, so they have to be awesome.
It also has to have some credibility because the idea was scooped up on the popular TV show “Shark Tank.” Could this be the latest device to save energy and solve all your comfort problems, or could there be a dark side to it?