I've finally reached the end of my incandescent bulbs and CFL and am
starting to replace them with LED bulbs. I saw a 60W equivalent bulb
on sale for $5 made by Cree as part of some deal with the utility so I
picked one up. It is a warm light. It is OK, nothing to brag about.
Sunday, I wanted to replace two more bulbs so I picked up two more,
but these were Osram and were $10. I chose the daylight over the
I put the two side by side in a vanity fixture.
Cree = kind of dingy
Osram = Wow, this is nice and bright
both are allegedly 800 lumens.
On Tuesday, August 12, 2014 6:02:29 AM UTC-4, Ed Pawlowski wrote:
Unfortunately, the same thing is happening with LED "bulbs" as happened wit
h CFLs... some are really good and some are not.
I'm guessing you didn't like the Cree because it was "warm white" not becau
se it's bad though. They're usually pretty well regarded, even if the CRI
is only about 80ish or so. If you live in CA you should be able to get a "
true white" version with a 90+ CRI.
The nice thing about CFL and LED is that you can pick color temperature whi
ch you can't do with incandescent - regular incans are all "warm white" hal
ogens maybe a little cooler but you'll never see an incan of any type signi
ficantly higher than 3000K. That's easily achievable with LED (in fact hig
h color temp LEDs are more common than "warm white" ones.)
If you want to fall down a rabbit hole, do some reading over at candlepower
Finally the BEST LED "bulbs" I've tried are the Philips L-Prize bulbs, but
they've been off the shelves for quite some time now. They are warm white
but they are a truly good replacement for a 60W incan. ~900 lumens IIRC.
Energy savings of LED's over CFL's are not worth the extra cost. I'm
waiting for them to come down.
Spectral differences can be a PITA. I bought a couple of CFL's whose
white light made them annoying indoors and they now reside on the porch.
Also some of my CFL's are hummers and can be quite annoying. One in the
kitchen is so loud I can hear it in the den nearby. Wife says it goes
away with time. I've also heard of both type lights interfering with
Looking forward to manufacturers removing this annoyance.
On Tuesday, August 12, 2014 8:39:26 AM UTC-4, Frank wrote:
with CFLs... some are really good and some are not.
ecause it's bad though. They're usually pretty well regarded, even if the
CRI is only about 80ish or so. If you live in CA you should be able to get
a "true white" version with a 90+ CRI.
which you can't do with incandescent - regular incans are all "warm white"
halogens maybe a little cooler but you'll never see an incan of any type s
ignificantly higher than 3000K. That's easily achievable with LED (in fact
high color temp LEDs are more common than "warm white" ones.)
but they've been off the shelves for quite some time now. They are warm wh
ite but they are a truly good replacement for a 60W incan. ~900 lumens IIR
I don't have LEDs because of the power savings over CFLs, it is because the
y (at least good ones - most of mine are the now discontinued Philips L-Pri
zes that I scooped up when they were on sale at HD for $15 apiece) don't ha
ve many of the drawbacks of CFLs. The light is a nice warm white high CRI
light, they are properly dimmable, and they are approximately as bright as
a 60W incan unlike many "60W equivalent" CFLs.
The Osram bulb has a nice even glow over the entire globe. The Cree has
a bright spot under the globe and does not seem to disperse as well.
The color temperature seems lower than the incan too.
I happen to like the brighter colors but that is personal preference.
We just bought two "65-Watt equivalent" "Feit"-branded dimmable BR30 LED
bulbs (very cheap at Costco with an instant rebate from the utility co.)
to try in our dining room (we really need four altogether but bought two
to start). They are brighter than the 65W incandescents they replaced
and seemed to work fine with the dimmer. But because they are a little
too bright at full power we set the dimmer a little lower this morning
but then noticed that the brightness would jump up and down a little
from time to time -- very annoying. I have no idea whether the problem
is in the bulbs or in the dimmer.
We bought more of the Feit BR30 bulbs, so the dining room lights are now
a matched set. The dimmer is a fairly recent Lutron, but it is not
marked as CFL/LED compatible.
We've now replaced the 10-yr-old Sylvania CFL BR30s in the living room
by Feit LED BR30s as well -- *much* brighter. No dimmer on that circuit
yet, but I think we'll be buying the latest Lutron LED-compatible
dimmers for both rooms.
CFL's can work great but if you put them in places where they are
frequently turned on and off they can wear out fast. I no longer put
them in my bathrooms. Between taking several seconds to come up to full
power and short life, I prefer incandescents in bathrooms.
Powder room in my basement has original super bulbs put there by the
builder 35 years ago.
Does anyone know if all LED lights are dimmable?
My mother has a small chandelier above her dining room table. It has
six 40 watt incandescent bulbs with candalabra bases. She has a cheap
dimmer switch which both turns it on and off and varies the intensity of
The problem is that on hot evenings, the heat coming off that chandalier
can make the whole dining room uncomfortably warm.
My understanding is that I can't replace the bulbs with CFL's because
CFL's aren't generally dimmable. I'd have to replace the dimmer with a
special dimmer switch to use CFL bulbs.
I'm hoping someone makes 40 watt equivalent LED bulbs with candelabra
bases so that I could replace those incandescent bulbs with LED's to
eliminate the heat they produce, but still retain the dimmability of the
chandelier with the existing dimmer switch.
I'm not sure that all LED bulbs are dimmable, but some are marked as
Some dimmers are specifically marked as being compatible with CFLs and
LEDs, but I don't know what happens if you use an older dimmer with them.
I think I saw candelabra-base LED bulbs at Costco, but I didn't take
much notice because we have no light fittings with candelabra bases.
On Tuesday, August 12, 2014 12:20:02 PM UTC-4, firstname.lastname@example.org wrote:
mable. You don't need a special dimmer for dimmable CFLs. They may flicke
r dimly on some dimmers, that is all.
A few years ago - probably 5 or 6 now - I purchased one of just about every
"dimmable" CFL I could find in local stores, and not one of them was accep
table. I returned all of them and just used 100W incans in the wall sconce
s in my living room as at the time there was nothing else available that wo
The Philips LED bulbs dim nicely, with the one caveat that the color temp d
oesn't change to the warmer with diminishing brightness like incans do, nor
do they dim smoothly all the way to zero brightness like an incan will. H
owever they seem to be much closer to a functional energy-efficient incan r
eplacement than any CFL I have seen.
A few years ago, 15 ? , I bought a dimmable CFL, might have been walmart,
I installed it in one of those 500 watt halogen floor lamps. It worked well
and was a pleasant daylight color. There was a slight turn on threshold,
but didn't have a problem with that. One day in a move, I broke it. Never
got to retry another lamp after it sat outside under my porch weathering.
I had awful luck with feit dimmables. The only ones I have tried lately.
LEDs will give you a modest power savings over CFLs, but more
importantly they have a much longer service life and that is where more
significant savings come in with lower lamp cost over the service live
vs. CFL as well as less lamp replacement labor.
All of the lighting in a given room should be coordinated as to color
temp and CRI, this is nothing new, it applied just as well before LEDs
or even CFLs.
I've used both CFLs and LEDs for some time and have not run into noise
issues either acoustic or RFI. The one thing I have found in my various
tests is that *ALL* encapsulated CFLs suck. Open CFLs seem to have no
issues and I've not experiences short CFL life as some people report,
and that is with many brands of CFL and in several different physical
locations in different towns and states.
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