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2. 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

3. 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]

4. 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 ...

5. Sleeve (construction) - Wikipedia

   en.wikipedia.org/wiki/Sleeve_(construction)

   Notice the sleeves, fastened to the timber forms before the concrete is cast. improper sleeving in a drywall assembly. In construction , a sleeve is used both by the electrical and mechanical trades to create a penetration in a solid wall, ceilling or floor.

6. Air Conditioning (album) - Wikipedia

   en.wikipedia.org/wiki/Air_Conditioning_(album)

   Air Conditioning is the debut studio album by English progressive rock band Curved Air. It was released in November 1970 and reached number 8 in the UK albums chart on 30 January 1971. It was released in November 1970 and reached number 8 in the UK albums chart on 30 January 1971.

7. Flowers in the Attic - Wikipedia

   en.wikipedia.org/wiki/Flowers_in_the_Attic

   Flowers in the Attic is a 1979 Gothic novel by V. C. Andrews.It is the first book in the Dollanganger series, and was followed by Petals on the Wind, If There Be Thorns, Seeds of Yesterday, Garden of Shadows, Christopher's Diary: Secrets of Foxworth, Christopher's Diary: Echoes of Dollanganger, and Christopher's Diary: Secret Brother.