Since the air isn't blown forcefully downward, you won't feel draftiness
Inside the units, new thermostats were installed and old wall units that had contributed to the draftiness
of the units were removed.
For example, my home's energy-efficiency rating fell between "fair" and "poor," though this wasn't surprising considering the vintage (1924), condition and draftiness
of the house.
"If insulation is damaged or missing, it can lead to occupant discomfort, draftiness
, and temperature differences," Hoffman says.
The company also decided to add a vestibule to cut down on the draftiness
at the entrance.
Since the air mixes quickly with the room air, tenants experience no draftiness
. The individual worker can rotate his corresponding grill 360 degrees and adjust a wheel recessed in the module to vary velocity from an off position up to 175 cubic feet per minute (CFM).