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2. Should You Close Vents In Unused Rooms During Winter ... - AOL

   www.aol.com/lifestyle/close-vents-unused-rooms...

   Vents act as exit and entry points for warm and/or cool air to lower or raise the temperature in your house. As the return removes the cool or hot air, Martin says, the supply vents replace this ...

3. Register (air and heating) - Wikipedia

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

   During winter months, for example, an air conditioning register can be closed to prevent cold air from being pulled from the room. This allows the hot air to mix more completely with the cold air in the room, improving the efficiency of the HVAC system. [7] (The return should be efficient enough to draw off the cooler air.) [10] [11]

4. Take these steps to protect yourself from winter ... - AOL

   www.aol.com/steps-protect-yourself-winter...

   Inside EV batteries, lithium ions flow through a liquid electrolyte, producing electricity. But they travel more slowly through the electrolyte when it gets cold and don’t release as much energy.

5. Heating, ventilation, and air conditioning - Wikipedia

   en.wikipedia.org/wiki/Heating,_ventilation,_and...

   In summer, ceiling fans and table/floor fans circulate air within a room for the purpose of reducing the perceived temperature by increasing evaporation of perspiration on the skin of the occupants. Because hot air rises, ceiling fans may be used to keep a room warmer in the winter by circulating the warm stratified air from the ceiling to the ...

6. Trickle vent - Wikipedia

   en.wikipedia.org/wiki/Trickle_vent

   The US Standard ASHRAE 62.1-2007: Ventilation for Acceptable Indoor Air Quality, only requires 4% of net floor area to be operable. This creates the potential for increased energy consumption where natural ventilation is provided by operable windows where supplemental air conditioning is provided, in addition to generally poor control over ventilation rates during hot summer or cold winter ...

7. It's going to be a wet Christmas for much of the middle of ...

   www.aol.com/beginning-look-lot-white-christmas...

   Around 20 million people were under winter weather alerts across the regions, which received upward of an inch of snow in a weather system that produced a covering of light to moderate snow before ...