ANSI/ASHRAE 193-2010 (R2024): HVAC Equipment Airtightness
An airtight building envelope and HVAC ducts result in a more precise ventilation system that can provide the correct amount of fresh air. When there…
ASTM F1977-22: Vacuum Cleaner System
A vacuum cleaner uses the force exerted by its air flow, along with a brushing action, to pick up the dirt, dust, and mite droppings into…