GE 21710 15 Watt (65W equivalent) Energy Smart Floodlight Dimmable R30 Light Bulb
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Tools and Hardware Reviews of GE 21710 15 Watt (65W equivalent) Energy Smart Floodlight Dimmable R30 Light Bulb
Customer Review: Works just fine with my dimmer, much lower power consumption
Summary: 4 Stars
I'm happy with these bulbs which I use in my recessed lighting. The dimming works just fine, they don't get quite as "dark" as old-fashioned bulbs before simply turning off but that doesn't bother me. They provide enough light to help my guests find their way to the bathroom at night without being so bright as to keep them awake. I've gotten about a year and a half out of my bulbs with fairly regular use and they still work great. The package says they last 4 years with 4 hours of use per day, mine see 2-4 hours of use per day. I rarely get what the package advertises though. Play it safe and keep your receipt in case these bulbs die too soon.Customer Review: good but don't dim
Summary: 3 Stars
I really like the clean, crisp light that these produce and the delay is not really noticable and can be overlooked. NOTE: package says "dimmable - works with most dimming switches". I have high end Lutron "designer" dimmer switches - the GE 21710 does not dim on this switch AT ALL. 20% would be acceptable but I am at 100%. Unfortunately looks like I am stuck with regular incandescents to get my dimming feature which I use all the time.Customer Review: good replacement for indoor flood lights
Summary: 4 Stars
Overall, these bulbs are good replacements for typical incandescent flood lights. The amount of light they put out is comparable.
These are also the first fluorescent flood lights I have found which work with dimmer switches. So a couple plusses in their favor.
There are a couple important differences between these bulbs and a typical incandescent bulbs:
1) they are more expensive
2) they have about a 1/2 second 'pause' when turning on. When hooked up to the same switch, an incandescent bulb will come on first, by maybe a half second. More of a small annoyance than anything, but the expectation is immediate light when you flip the switch
3) there is a 'warm up' time before these bulbs emit their full light output. Probably 90 seconds before they are 100%. They start at probably 70%.
4) these bulbs work with a dimmer switch, but the levels are different than a typical bulb. They probably range between 20% and 100%, whereas a typical bulb would go from 1% - 100%.
Overall, I am satisfied. They use less energy, put out the same light and work with dimmers.
Customer Review: hey don't dim! Back to the drawing board, GE
Summary: 1 Stars
I have dimmable recessed lighting in three main rooms facing north and west that are almost always light, even during daytime. So CFLs could make a major dent in our electricity bill, and ease the need to change bulbs in hard-to-reach locations. Dimming is critical in all locations.
Tested on _all_ dimmers in our home - including two new ones - this bulb did not dim whatsoever. I tried leaving it on for a while, but the bulb ran a apparent full capacity even when all the incandescent R30s are barely lit. Moving the dimmer has a binary effect on this bulb - just on or off.
One slight pro with this bulb is that unlike other CFLs, I've noticed that this one is at full brightness right away.
Customer Review: unacceptable delay and warmup time
Summary: 1 Stars
I have reviewed this bulb for a similar listing on Amazon, but my basic points are as follows:
I am a huge fan of CFLs. We use them all over our house. You should, too. There is really no reason to go incandescent anymore. You may actually be better off throwing out your incandescents BEFORE they burn out, and replacing them with CFLs. CFLs work equivalently to incandescents; you just have to know what to look for: low color temperature (on the order of 2700K), a bulb to match the application. Two years ago, after burning multiple incandescents out in our garage door opener, I installed CFLs. They are sturdy enough to withstand the vibrations and have been going strong for a couple of years.
This bulb is unacceptable. It has the drawbacks of CFLs that I bought in the mid-90s: a delay when you switch them on, and a long warmup period (some reviewers say that it is 1 minute; it took my bulb 2-3 minutes. These are the qualities that made it hard for me to convert my wife and my parents to CFLs.
I would recommend trying different brands of dimmables until you find one that is compatible with your dimmers and doesn't have any significant drawbacks. i can't believe that GE let this bulb hit the market with such a switching delay and long warmup time. Reminds me of the disappointment I felt with the early generation CFLs, but I believe that these dimmable bulbs will eventually get the rough spots ironed out.
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