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