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2. 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 ...

3. Turning vanes (HVAC) - Wikipedia

   en.wikipedia.org/wiki/Turning_vanes_(HVAC)

   HVAC turning vanes are sheet metal devices inside of mechanical ductwork used to smoothly direct air inside a duct where there is a change in direction, by reducing resistance and turbulence. See also

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. Duct (flow) - Wikipedia

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

   Ducts for air pollution control in a 17000 standard cubic feet per minute regenerative thermal oxidizer (RTO). A round galvanized steel duct connecting to a typical diffuser Fire-resistance rated mechanical shaft with HVAC sheet metal ducting and copper piping, as well as "HOW" (Head-Of-Wall) joint between top of concrete block wall and underside of concrete slab, firestopped with ceramic ...

6. 25 New Year's Eve Drinks to Say 'Cheers' When the Ball Drops

   www.aol.com/25-years-eve-drinks-cheers-201700181...

   Toast to 2025 and try some of our best New Year's Eve drinks and cocktails. We've rounded up sparkling margaritas, martinis, and drinks with champagne!

7. We Taste-Tested 19 Hot Chocolate Mixes—Here Are Our Favorites

   www.aol.com/taste-tested-19-hot-chocolate...

   Going through the taste test results, it was very clear that most of our editors prefer thick, silky smooth bittersweet hot chocolate over sweet, milky hot chocolates. Many hot chocolate mixes ...