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2. Radiant heating and cooling - Wikipedia

   en.wikipedia.org/wiki/Radiant_heating_and_cooling

   Radiant heating and cooling is a category of HVAC technologies that exchange heat by both convection and radiation with the environments they are designed to heat or cool. There are many subcategories of radiant heating and cooling, including: "radiant ceiling panels", [ 1 ] "embedded surface systems", [ 1 ] "thermally active building systems ...

3. Radiative cooling - Wikipedia

   en.wikipedia.org/wiki/Radiative_cooling

   The three basic types of radiant cooling are direct, indirect, and fluorescent: Direct radiant cooling - In a building designed to optimize direct radiation cooling, the building roof acts as a heat sink to absorb the daily internal loads. The roof acts as the best heat sink because it is the greatest surface exposed to the night sky.

4. List of school shootings in the United States (2000–present ...

   en.wikipedia.org/wiki/List_of_school_shootings_in...

   Annual school shootings in the USA from 2000 through 2024. Data source: Wikipedia. This chronological list of school shootings in the United States since the year 2000 includes school shootings in the United States that occurred at K–12 public and private schools, as well as at colleges and universities, and on school buses.

5. Heating, ventilation, and air conditioning - Wikipedia

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

   The starting point in carrying out an estimate both for cooling and heating depends on the exterior climate and interior specified conditions. However, before taking up the heat load calculation, it is necessary to find fresh air requirements for each area in detail, as pressurization is an important consideration.

6. Mechanical, electrical, and plumbing - Wikipedia

   en.wikipedia.org/wiki/Mechanical,_electrical...

   Heating, cooling, ventilation and exhaustion are all key areas to consider in the mechanical planning of a building. [4] In special cases, water cooling/heating, humidity control or air filtration [5] may also be incorporated. For example, Google's data centres make extensive use of heat exchangers to cool their servers. [6]

7. Passive daytime radiative cooling - Wikipedia

   en.wikipedia.org/wiki/Passive_daytime_radiative...

   free of ecotoxic and carcinogenic titanium dioxide "can be produced at a large scale and conveniently coated on various substrates through traditional drop casting, spraying, roller painting, or spin-coating methods" and "switchable [between] solar heating and radiative cooling," tested in Shanghai (daytime humidity ~28%).