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2. Damper (flow) - Wikipedia

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

   A damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, VAV box, air handler, or other air-handling equipment. A damper may be used to cut off central air conditioning (heating or cooling) to an unused room, or to regulate it for room-by-room temperature and climate control - for example, in the case of ...

3. Heating, ventilation, and air conditioning - Wikipedia

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

   Central, "all-air" air-conditioning systems (or package systems) with a combined outdoor condenser/evaporator unit are often installed in North American residences, offices, and public buildings, but are difficult to retrofit (install in a building that was not designed to receive it) because of the bulky air ducts required. [32] (Minisplit ...

4. Air conditioning - Wikipedia

   en.wikipedia.org/wiki/Air_conditioning

   The efficiency of air conditioners is often rated by the seasonal energy efficiency ratio (SEER), which is defined by the Air Conditioning, Heating and Refrigeration Institute in its 2008 standard AHRI 210/240, Performance Rating of Unitary Air-Conditioning and Air-Source Heat Pump Equipment. [61]

5. Bake Better Cookies by Avoiding These 5 Common Mistakes - AOL

   www.aol.com/lifestyle/bake-better-cookies...

   The best air purifiers of 2025. AOL. 15 of the coziest winter sweaters you can buy for under $40. AOL. Ready to file your taxes? You can get TurboTax for 30% off on Amazon today. See all deals.

6. Prince Harry Fulfills Elderly Man's Doughnut Request amid ...

   www.aol.com/prince-harry-fulfills-elderly-mans...

   Prince Harry fulfilled an elderly man's special request at an emergency evacuation center in California amid the series of wildfires devastating the Los Angeles area.. On Jan. 10, Prince Harry and ...

7. Drainage law - Wikipedia

   en.wikipedia.org/wiki/Drainage_law

   Drainage law is a specific area of water law related to drainage of surface water on real property. It is particularly important in areas where freshwater is scarce, flooding is common, or water is in high demand for agricultural or commercial purposes.

8. Trump shares ruthless reel of Dems calling Biden ‘sharp ...

   www.aol.com/trump-shares-ruthless-reel-democrats...

   President-elect Donald Trump on Monday shared a ruthless highlight reel of Democrats in denial over Joe Biden's cognitive decline after a veteran journalist slammed US media for not making it a ...

9. Evaporative cooler - Wikipedia

   en.wikipedia.org/wiki/Evaporative_cooler

   An evaporative cooler (also known as evaporative air conditioner, swamp cooler, swamp box, desert cooler and wet air cooler) is a device that cools air through the evaporation of water. Evaporative cooling differs from other air conditioning systems, which use vapor-compression or absorption refrigeration cycles.