That’s Right, I Said Water-Cooled LEDs for the Home


hydralux-4 hydralux

A company called EternaLEDs is selling a product called the HydraLux-4 lamp – it’s an LED source for the home and office, fully dimmable, and equivalent to about 25W (the lamp itself consumes 4W).  The biggest difference?  The HydraLux-4 is water cooled.  That was water cooled, in case the first time I typed it wasn’t clear.

It’s no secret that LEDs generate heat.  Heat shortens their lifespan, leads to crappy lumen depreciation, and generally wears and tears at the components of the source.  EternaLEDs’ HydraLux-4 apparently defeats this problem with the water cooling, and claims a 360° light output, unlike a lot of other LED sources on the market.  The HydraLux-4 comes in “warm white” and “daylight white,” with a two-year warranty and 30-day guarantee.

A bit of info from the EternaLED site, comparing the HyrdaLux-4 to other sources:

  • Saves money. At 8 hours a day, the HydraLux-4 only costs $1.75 per year* to run, saving an average of $157.00 over the lifetime of the bulb in electricity and bulb replacement costs.
  • Long Lasting. The HydraLux-4 is rated at 35,000 hours. At 8 hours usage per day, it will last 12 years.
  • Non-Hazardous. These bulbs contain no mercury, unlike CFLs so they don’t require special disposal or clean up. Likewise, the liquid inside is equivalent in composition to baby oil so it’s completely non-toxic and UL compliant.
  • Fully-dimmable. Many LED and CFL bulbs are not capable of being dimmed. The HydraLux-4 is fully dimmable, allowing consumers to create the ambiance they desire by using existing dimmer switches.
  • Outdoor-approved. Many LED bulbs have their components exposed to open air so are can’t be used outdoors. The HydraLux-4 is one of the few LED bulbs approved for both indoor and outdoor use.
  • Cool to the touch. The HydraLux-4 runs cool, cutting down on cooling costs as well as being safe in household applications.
  • Eternaleds plans to announce 8W, 12W and 16W versions of the HydraLux by the end of 2009.
  • The Eternaleds HydraLux-4 comes in two colors, Warm White and Daylight White, and can be ordered directly from at a list price of $34.99. Every purchase comes with a two-year warranty and 30-day money-back guarantee.

The HyrdaLux-4 is available on the EternaLEDs website for $34.99.  They’re also saying 2-3 weeks for shipping due to popularity.  It’s a relatively hefty pricetag, but for 35,000 hours it’s not a bad deal.




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