This type of system hides the bulky components and allows installers to place the grill opening in “typical” ducted locations. These systems are also called “short-run ducted mini-split, mini-duct, or slim-duct” systems (Ce et al., 2018). These systems are advantageous in terms of ...
Instead most HVAC installers simply put a WYE in the supply duct - shown below - and add one or two zone dampers that permit adjusting air flow between the two zones. Below is a simple 90° angle duct Wye connector, again widely available including from supplhyouse.com where we found ...
Watch out: We explain at BATHROOM VENTILATION CODES SPECS, installers should make the bath vent fan duct run through the attic (or any other space) as short as possible. To avoid unnecessary reductions in air movement through the bath vent exhaust system, avoid elbows and bends as much as ...