That is right.
I don't know which brand BulbMan is selling, but the GE 500-watt
linear halogen incandescent, Q500T3/CL, is rated for 10550 lumens and
2000 hours while the GE 350-watt HIR version, Q350T3/CL/HIR, is rated
for 10,000 lumens and also 2000 hours.
See above. The GE HIR lamp is rated for 5% less light.
The 150 watt savings times 2000 hours is 300 kWh saved. At $0.08 per
kWh the lamp saves $24 over its life. I know we pay far more than
$0.08 per kWh.
Touche...
I pay almost $.14 per KWH, but my rate is worse than average. I am
under the impression that the USA average is about $.10.
As for me, if investing into an interesting lamp is borderline in
projected return in comparison to adding that money to my next purchase of
shares of a mutual fund, I would buy the interesting lamp.
But somehow, for investing into alternatives to conventional halogen for
torchiere lamps (which conventionally consume 300 watts of electricity, as
in I consider them minor room/ceiling heaters) I think I would do better
with fluorescent versions that achieve something more like 60 lumens per
watt as opposed to improved halogen ones that achieve upper 20's as in
improvement over 20.
- Don Klipstein (
[email protected])