Add Yahoo as a preferred source to see more of our stories on Google. Person opening white ceiling vent cover - Scott Habermann/Shutterstock Have you been avoiding the growing layer of dust that's ...

Editor's Note: Keen Home has released some hardware and firmware updates that have significantly changed the product experience. Our review has been updated to reflect those changes. Keen Home's fixes ...

Question:We have seven-inch round ducts in the ceiling of our house, for heating and air conditioning. In a little-used room, we’ve never bothered to find ceiling diffusers for them. Now that we’d ...