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BATHROOM SIZE DETERMINES CFM NEEDED.

To determine the approximate minimum CFM needed for your bathroom, determine the square footage (length x width).  Multiply that number by 1.1 for an 8 foot ceiling; multiply by 1.25 for a 9-12 foot ceiling; or multiply by 1.5 for a cathedral ceiling, and round up.

   
Approximate Minimum CFM Required
Bathroom Size
Length x Width - Sq. Ft.
8. Ft. Ceiling
Sq. Ft. x 1.1
9-12 ft. Ceiling
Sq. Ft. x 1.25
Cathedral Ceiling
Sq. Ft. x 1.5
6 x 6 = 36
40
50
60
6 x 9 = 54
60
70
80
8 x 10 = 80
90
100
120
7 x 12 = 84
100
110
130


The higher the CFM, the greater the air movement.

The lower the Sones, the quieter the fan.

Sound levels are measured by an industry standard called a "Sone".  The lower the Sone rating, the quieter the fan.  An exhaust fan with a Sone rating of 4.0 is twice as loud as one with a rating of 2.0 Sones.



RECESSED LIGHTING BASICS
General Guidelines
The area of floor space illuminated by one recessed light 18 equal to the height of the ceiling where the light installed.



Sloped Ceilings
The area of floor space illuminated by one recessed light 18 equal to the height of the ceiling where the light installed.





Room Accents
When illuminating areas to 8-12 pitch should like fireplace mantles, the use an eyeball trim distance from the light to the to direct the light wall should be 60% (multiply straight down by .6) of the distance from the ceiling to the object.



Planning A Room
A spacing of 6' to 8' will provide even light distribution throughout a room.  A spacing of 12' to 14' will provide a softer ambient light.

The first light should be about 3' away from the wall. Placing the light closer to the wall will create more reflection into the room and make the space feel brighter. Placing the lights farther away will make the corners seem dark, visually lowering the ceiling.

Hallways
The recommended distance between lights in a hallway installation is every 6' to 8', as shown.





Kitchens
Space the lights every 3' to 4' to evenly illuminate the counter top. Center the lights over islands. Counter with cabinets over them should have the lights centered over the edge of the counter.

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RECESSED LIGHTING  TECHS & SPECS

Energy Saving Benefits

  • Decorative Lighting
  • Recessed Lighting
  • Track Lighting
  • Specialty Lighting
  • Ceiling Fans
  • Exit Signs
  • Dimmers & Controls
  • Incandescent
  • Flourescent
  • High Intensity Discharge
  • Low Voltage

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Besco Electric Supply | 711 South 14th Street, Leesburg, Florida 34749 | 800.541.6618 | Email: info@bescoelectric.com