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2. 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]

3. Air conditioning - Wikipedia

   en.wikipedia.org/wiki/Air_conditioning

   Air conditioning, often abbreviated as A/C (US) or air con (UK), [1] is the process of removing heat from an enclosed space to achieve a more comfortable interior temperature (sometimes referred to as 'comfort cooling') and in some cases also strictly controlling the humidity of internal air.

4. Eli Chesen - Wikipedia

   en.wikipedia.org/wiki/Eli_Chesen

   Chesen has produced several energy innovations such as transformerless low voltage, halogen light fixtures and an air conditioner (refrigerant mediated) swimming pool heater, which takes waste air conditioner heat and transfers it into the family swimming pool providing, in some latitudes, 100% of desirable pool heating at an energy cost of zero.

5. 13 best dishwasher detergents, according to cleaning experts

   www.aol.com/news/13-best-dishwasher-detergents...

   Cascade Complete Dishwasher Pods $23.47 at Home Depot. ... where I regularly cover cleaning content. I’ve written guides on how to clean a mattress, dishwasher and a window air conditioner ...

6. 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 ...

7. Packaged terminal air conditioner - Wikipedia

   en.wikipedia.org/wiki/Packaged_terminal_air...

   Packaged terminal air conditioner installed in a residential apartment. A packaged terminal air conditioner (PTAC) is a type of self-contained heating and air conditioning system intended to be mounted through a wall. [1] The first practical semi-portable air conditioning unit invented by engineers at Chrysler Motors. It entered the market in ...