Dear Jim: We have central air conditioning, but have a problem keeping all the rooms evenly cool. Someone is always too hot or too cool. What are some simple methods to balance the temperatures ...

When certain rooms in a home are consistently warmer or cooler than others, there may be an obvious cause, like an uninsulated exterior wall or drafty windows. But that's not always the case. If ...

To do this, the team used a robotic arm equipped with a force and torque sensor to measure air flow in hundreds of spots inside a short model duct to build up a map that shows the unstable danger ...