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2. Room air distribution - Wikipedia

   en.wikipedia.org/wiki/Room_air_distribution

   Displacement ventilation systems supply air directly to the occupied zone.The air is supplied at low velocities to cause minimal induction and mixing. This system is used for ventilation and cooling of large high spaces, such as auditorium and atria, where energy may be saved if only the occupied zone is treated rather than trying to control the conditions in the entire space.

3. Register (air and heating) - Wikipedia

   en.wikipedia.org/wiki/Register_(air_and_heating)

   The velocity of air through a register is usually kept low enough so that it is masked by background noise. (Higher ambient levels of background noise, such as those in restaurants, allow higher air velocities.) On the other hand, air velocity must be high enough to achieve the desired temperature. [6] Registers are a critical part of the HVAC ...

4. Displacement ventilation - Wikipedia

   en.wikipedia.org/wiki/Displacement_ventilation

   Displacement ventilation is best suited for taller spaces (higher than 3 meters [10 feet]). [2] Standard mixing ventilation may be better suited for smaller spaces where air quality is not as great a concern, such as single-occupant offices, and where the room height is not tall (e.g., lower than 2.3 meters [7.5 feet]).

5. Best Stock to Buy Right Now: Walmart vs. Costco - AOL

   www.aol.com/best-stock-buy-now-walmart-221500343...

   Costco's revenue rose 17% in fiscal 2021 (which ended in August 2021) as the pandemic drove more people to stock up on packaged foods and household goods. Its revenue grew another 16% in fiscal ...

6. Costco egg recall: These eggs with a risk of salmonella could ...

   www.aol.com/costco-egg-recall-eggs-risk...

   The eggs should not be eaten and should be thrown away or returned to Costco for a full refund. Consumers with any questions can call 888-877-7221 Sunday-Saturday, 8 a.m. to 5 p.m. ET. What is a ...

7. Duct (flow) - Wikipedia

   en.wikipedia.org/wiki/Duct_(flow)

   Downstream of the air handler, the supply air trunk duct will commonly fork, providing air to many individual air outlets such as diffusers, grilles, and registers. When the system is designed with a main duct branching into many subsidiary branch ducts, fittings called take-offs allow a small portion of the flow in the main duct to be diverted ...