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2. The best temperature for sleep to get a better night's rest - AOL

   www.aol.com/lifestyle/best-temperature-sleep...

   If you find yourself tossing and turning at night more than usual, your room temperature may be to blame. As it happens, the mechanisms in our bodies that regulate sleep are widely affected by ...

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. Passive cooling - Wikipedia

   en.wikipedia.org/wiki/Passive_cooling

   Night flushing of the courtyard happens automatically as the night air cools; evaporative cooling cools it further and can be used to create drafts and change the air during the day. Windows can be left open around the clock. Night flushing (also known as night ventilation, night cooling, night purging, or nocturnal convective cooling) is a ...

5. Air source heat pump - Wikipedia

   en.wikipedia.org/wiki/Air_source_heat_pump

   An air source heat pump (ASHP) is a heat pump that can absorb heat from air outside a building and release it inside; it uses the same vapor-compression refrigeration process and much the same equipment as an air conditioner, but in the opposite direction. ASHPs are the most common type of heat pump and, usually being smaller, tend to be used ...

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