What does this mean? Literally replacing all the overhead lights with a ceiling fan w/light attached?
All the overhead lights outside of the kitchen and showers were cheap "boob lights." The kitchen and shower lights are LED pucks that mount flush to a shallow box and kind of look like recessed lights. First we replaced all of the boob lights with wider LED panel lights with a warm color temperature. While doing this I noticed something about the light boxes in the centers of the living room and bedrooms: the boxes were mounted so they are centered over a joist, meaning you can screw a fan directly into the joist. They also had two hot conductors running from the switch box. One was colored red and the other was colored black. The red one was wired from the switch to the light, and the black one was capped at both ends. They were set up to have fans installed without any modification to the box.