Last time I bought incandescents, they were 30¢ each for a pack of four.
Now that incandescents are to be phased out, prices are going up, but
that's an artificial increase.
Or $2.40 for the incandescents at the price I used to be able to pay.
And your numbers get thrown wholly out of whack if a few CFLs blow
before their rated lives, which I'm discovering is not an uncommon
That's the problem; it's a trivial amount (I give up one Starbuck's
latte a month and there's my $5.70 savings right there). Plus I get ugly
lighting unless I buy just the right kind of bulb; I need a special kind
to put upside down, a special kind for over the stove; you're not really
supposed to toss them out with the trash, etc., etc....
Amen, the ones I have tried have all blown. They have been name
brand, not discount bulbs. The one on the front porch is still
going. By choice I will not be investing in any more CFL or LED
until the technology improves.
Keep the whole world singing . . . .
I've been buying my CFLs in the multi packs at Depot / Lowe's / Sam's /
Costco for quite some time and I honestly have not had any of them that
had short life spans.
I moved about 5.5 years ago, and loaded up most all the fixtures with
new CFLs at that time. So far I have replaced two CFLs, both within the
last couple months and both were lights that got much longer than the 3
hours per day of on time that the 7 year life expectancy is based on.
Indeed these two lights probably average 8 hours per day of on time, so
they both outlasted their rating by a fair margin.
As for the quality of the light, I find they are quite acceptable, and
having spent some 15 years in video production I am pretty attuned to
color temperature. Also as a result of that video production experience
I know not to light an area with mixed color temperature sources, so the
color temperature is consistent throughout my house.
I also am using the 26W killer CFLs in inexpensive clamp light fixtures
for tasks that I used to use portable 500W halogen floods for. I get
plenty of light, for far less power and far less heat.
There's your problem, you think you're investing when you buy a light bulb.
But it's true about LED bulbs not lasting all that long. There's a huge
difference between a low power, 20mA LED indicator lamp that will likely
last for a hundred years, and a high-power LED lamp that is designed to
actually illuminate a given area. High power LEDs generate an enormous
amount of heat at the very small semiconductor junction. It's very
difficult to adequately heat sink these junctions. If you look at
something like a 3W MR16 lamp, you can see the amount of metal used for
the heat sink. If you block the air flow across the bulb by putting it
into a sealed enclosure (like for automotive lamps) then it will quickly
self destruct. Incandescent bulbs dissipate the filament heat through
the glass of the bulb which is much easier to manage.
Much of how an incandescent gets rid of its heat is by radiation. Close
to half the power going into an incandescent (varies by individual design)
becomes infrared of wavelengths that the filament radiates through the
glass. That infrared goes where the light goes. The heat materializes
where this radiation is absorbed - usually mostly outside the fixture.
Incandescents also work OK at higher temperatures that CFLs and LED
bulbs are not OK in.
- Don Klipstein ( firstname.lastname@example.org)
email@example.com (Don Klipstein) wrote in
And you can safely put the very same incandescent
1) over your stove
2) by your bed
3) on the porch
4) upside down
5) in the kids' rooms...
And you know the light emitted is always going to look "right" no matter
low little you paid for that incandescent.
I am happy to leave CFLs on the store shelf for others to buy.
And you are so blissfully happy paying 75% more for electricity for a
apliance that outputs near 95% of its energy consumed as heat. Run 11
-100 w incandesants and be happy knowing you AC this summer has to
remove that extra 1000w of heat CR and Popular Mechanics Mag did
reviews and dont agree with your happiness on color rendition of life
expectancy. With HDs 9 yr warranty my HD soft whites will be free
forever , be happy, stay ignorant.
Yep. Because in actual dollar terms, that 75% is a trivial amount of
Most of our incandescents are 40 and 60 watt. We do have a couple of
Tri-lites that go up to 150, but they're normally on at the 100W
Well, that's part of the point. Generally speaking, when I need my
bulbs, the A/C is off. When I need my A/C, the bulbs are off.
Moreover, in the winter, when the need for the bulbs is greatest, the
heat from the bulbs reduces the need for the furnace, so my gas bill is
And we follow the ancient (and apparently forgotten) precept of turning
the lights off when we leave a room, so there are few bulbs left on
regularly. With incandescents, I can do that. Snap, it's on. Snap, it's
off. No waiting.
I see threads in this groups with comaplints about color unless you buy
/just/ the right kind of bulb. And being in people's homes with CFLs, I
have to disagree with CR. Also, CR is hard left-wing and as religiously
"green" as they come, so their judgements are unlikely to be bias-free.
Except that you had to pay ten times the cost of incandescents to get
that 9-year warranty...
Almost all of ours are 60W, though there are 4-12 per fixture. ;-)
Our heat pumps will "run" seven or eight months a year... When in use
they don't often get shut down at night (though the thermostat will
Perzactly! The average bulb in our house is likely on for 2 minutes
per day with only the bathroom lights on for anything close to an hour
per day. CFLs really suck in our application; won't have them.
Yep. I don't like any CFLs I've seen. They're ugly in expensive
light fixtures, as well. No thanks.
Here again your logic is absent, you are clueless. HD CFLs and most
others now replicate incandesants on color rendition. There is a 2-3
yr old review comparison at Popular Mechanics magazine that rated HD
soft white BETTER than incandesants at color rendition in some
situations. Cfls coatings have come along way over the last few years,
technology moves on if you havnt heard. That pop machanics review is
hard to find, but its there, read it. CR also did a review comparison
test, it will all suprise you. At HD you have a 30 day no questions
asked return policy, buy and try em. Keep a reciept and its a 9 yr
warranty so you can perpetualy always have cfls.
The "half as much" applies to a small outside temperature band where less heat
is actually needed. Yes, that drops the cost of the "wasted" incandescent
electricity by "50%" instead of 100% and a similar amount with other heat
sources. Something the CFL idiots never take into account. That still
doesn't get us to "ransley's" 50% electricity savings he's trying to tell us
that is somehow "normal".
It's time for you to try thinking, Don. Heat pumps are not only used in
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