Here is what the lightbulb looks like:
If you do the math, the original light bulbs are 2″ in diameter and these are 3 3/4″, which was nearly exactly the inner width of the base of my light.
Luckily it fit:
…and look great:
I wish I could show you a side-by-side of the light output, but both PAR16’s blew out before my new bulbs arrived. I believe there is a problem with the dimmer switch that came with the light. In any case here is an “off” side-by-side:
The first thing you notice is the massive heat sink on the LED lights. This is common, not because LEDs put a lot of heat out, but because LED lifespan is highly heat-sensitive. The more heat you can push away from the tiny LEDs, the longer the bulbs will last. And last it does: these bulbs should last an average of 50,000 hours—for reference, a CFL will last about 10,000 hours and an incadescent will last about 1000 hours. In the case of my PAR-16’s they didn’t last eight.
I’m a little worried about this particular model because the heat sinks can get hot to touch. I’ve decided to run them at just under 20 watts because the light is bright enough to act as a good replacement. That’s 20 watts for both(!)—at that point, my original bulbs would have been using 120 watts. That works out to a penny saved every hour I use these bulbs—or about $40 a year. Here’s a table:
|75W PAR 16||16W PAR 30 CFL||14W PAR 30 LED|
|Avg Lifespan||1000 hours||8,000 hours||50,000 hours|
|Watts (@75W equiv)||150W||38W||28W|
|Yearly cost (real)||$105||$21||$30|
As you can see, CFL’s are still the cheapest overall, all I’d give up is the dimmability. This is completely makes sense because there is an externality costs to CFLs: proper disposal.
I’ll still use CFLs in my apartment for existing light fixtures, but I’m using LEDs for any lights that I’m keeping. Never having to change and properly dispose a lightbulb again is worth that $9 (for now) gap for me.
A crack developed in my lamp. I think I can glue it back but since this lamp shipped from the factory and the factory is down the street, I’m not worried over much. We’ll see how Pablo customer support responds
If you’re curious, Philips is offering an alternative to EarthLED.