Visiting Independence today to check out the finished HVAC ducting, I noticed a number of “nowhere to nowhere” duct vents in the ceiling of some rooms. As I saw more and more, I realized that they were installed as an “air link” across any door that could be closed, presumably to improve whole house air flow.
Turning to Google now, I’ve learned that these are called “jump ducts” and their intent is to “pressure balance” bedrooms. Interesting!
Extractor vent ducts have also now been installed in the bathrooms, as well as the dryer vent – for now the exit hangs below the roof, but when exterior trim is fitted, they will be properly placed in the soffits …