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2. Attic fan - Wikipedia

   en.wikipedia.org/wiki/Attic_fan

   An attic fan installed underneath a roof. A powered attic ventilator, or attic fan, is a ventilation fan that regulates the heat level of a building's attic by exhausting hot air. A thermostat is used to automatically turn the fan off and on, while sometimes a manual switch is used. An attic fan can be gable mounted or roof mounted. Additional ...

3. Fan coil unit - Wikipedia

   en.wikipedia.org/wiki/Fan_coil_unit

   These motors are sometimes called DC motors, sometimes EC motors and occasionally DC/EC motors. DC stands for direct current and EC stands for electronically commutated.. DC motors allow the speed of the fans within a fan coil unit to be controlled by means of a 0-10 Volt input control signal to the motor/s, the transformers and speed switches associated with AC fan coils are not required.

4. 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 ...

5. 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]

6. Deck the halls (extra carefully): Common Christmas injuries ...

   www.aol.com/deck-halls-extra-carefully-common...

   Anyone who’s seen December classics like “Home Alone” or “National Lampoon’s Christmas Vacation” knows that holiday decor can pack a punch: Tree baubles turn to glass-shard booby traps ...

7. Ringo Starr and Paul McCartney reunited on stage to play ...

   www.aol.com/ringo-starr-paul-mccartney-reunited...

   Paul McCartney and Ringo Starr got back to where they once belonged on Thursday night – performing together, live on stage in London.. Starr made a surprise appearance at the O2 Arena on the ...

8. Minnie Driver Shares 'Rare' Bare-Faced Selfies and Reveals ...

   www.aol.com/minnie-driver-shares-rare-bare...

   Minnie Driver is getting candid about her recent makeup-free selfies.. The Serpent Queen actress, 54, unveiled a couple of bare-faced selfies and opened up about why she usually never goes ...

9. Air handler - Wikipedia

   en.wikipedia.org/wiki/Air_handler

   An air handler, or air handling unit (often abbreviated to AHU), is a device used to regulate and circulate air as part of a heating, ventilating, and air-conditioning system. [1] An air handler is usually a large metal box containing a blower , furnace or A/C elements, filter racks or chambers, sound attenuators , and dampers . [ 2 ]