588ade5c_es____GreenBuildingAdvisor_com__Criteria
[Component] HVAC(Heating, ventilation, and air conditioning). Collectively, the mechanical systems that heat, ventilate, and cool a building. register boots [Criteria] 
HVAC register boots that penetrate building envelope are sealed to subfloor or drywall.
What's All This Hot Air About Air-Sealing Measures? | GreenBuildingAdvisor.com
Criteria