Fluorescent VS Incandescent
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    The chart below gives the general comparison of fluorescent lamps to the incandescent lamps listed on the left. Please note the chart does not list the approximate annual energy savings for fluorescent or the lamp replacement costs. Consult your local utility for the cost per watt to determine energy savings.

    INCANDESCENT APPROXIMATE FLUORESCENT LAMP EQUIVALENTS
    Lamp Type Lamp Life Lamp Lumens Lamp Type Lamp Life Lamp Lumens
    150W A21 750 hrs 2,850 (3) 13W Twin Tube 10,000 hrs 2,700
    40W Twin Tube 20,000 hrs 3,150
    40W T12 Straight Tube 20,000 hrs 3,150
    32W T8 Straight Tube 20,000 hrs 2,800
    (3) 100W A19 750 hrs 4,800 (2) 40W T12 U-Bend 12,000 hrs 5,520
    (2) 32W T8 Straight Tube 20,000 hrs 5,600
    (2) 40W T12 Straight Tube 20,000 hrs 6,300
    (2) 28W T5 Straight Tube 20,000 hrs 5,800
    (2) 100W A19 750 hrs 3,200 32/40W Circline 12,000 hrs 4,300
    (2) 21W T5 Straight Tube 20,000 hrs 4,200
    (2) 26W Quad Tube 10,000 hrs 3,600
    100W A19 750 hrs 1,600 (2) 13W Twin Tube 10,000 hrs 1,800
    (2) 22W Circline 12,000 hrs 2,100
    32W Circline 12,000 hrs 1,800
    30W T12 Straight Tube 18,000 hrs 2,250
    (2) 75W A19 750 hrs 2,440 32W Circline 12,000 hrs 1,800
    (2) 20W T12 Straight Tube 9,000 hrs 2,400
    (2) 14W T5 Straight Lamp 20,000 hrs 2,700
    75W A19 750 hrs 1,220 22W Circline 12,000 hrs 1,050
    20W T12 Straight Tube 9,000 hrs 1,200
    (2) 9W Twin Tube 10,000 hrs 900
    17W T8 Straight Tube 20,000 hrs 1,325
    60W A19 1,000 hrs 890 (2) 7W Twin Tube 10,000 hrs 800
    20W Circline 12,000 hrs 1,050
    13W Twin Tube 10,000 hrs 900
    13W T5 Straight Tube 7,500 hrs 820
    40W A19 1,000 hrs 495 8W T5 Straight Tube 7,500 hrs 400
    7W Twin Tube 10,000 hrs 400
    9W Twin Tube 10,000 hrs 600