Information and news related to everything that is LED lighting. The LED market is in a constant state of change and Pegasus Lighting works hard to stay on top of all the exciting updates in LED lighting technology.
I attended a webinar about LED lighting last week and learned some interesting facts about what the future holds for this incredibly efficient light source.
Already, LED lighting has far surpassed incandescent, halogen, linear fluorescent, and high pressure sodium lighting as far as efficacy (a measure of efficiency for a light source, expressed as light output, or lumens, per watt of electricity used).
The expectation is that LEDs will continue to dramatically increase in efficiency and to simultaneously dramatically decrease in cost. Lighting designer Joseph A. Rey-Barreau led the webinar, and he noted that most other lighting technologies are on the edge of their potential as far as efficacy. However, there seems to be no limit to LEDs on this front.
Another interesting gem from the webinar came from a few charts analyzing electricity consumption in the United States. Rey-Barreau noted that if the U.S. had maintained the status quo with previous light sources, electricity consumption would double in the next ten years.
However, thanks to LED lighting, we are expected to actually drastically reduce electricity consumption in the next ten years. LED lighting will likely reduce lighting energy use in the United States by one-fourth by 2030!
Sometimes, it’s best to let photos speak for themselves.
Take a look at this kitchen. See the newly installed under cabinet lights nestled discreetly underneath those cabinets? If you can barely spot them, it’s because our LED under cabinet lights are incredibly low profile.
The following photos show the kitchen with the under cabinet lights turned off. For all intensive purposes, consider these the “before” photos:
A research project funded by the Bill and Melinda Gates Foundation is using LED blankets to treat jaundice in newborns.
The story’s an incredible one. The entire idea for the project originated from a small family in Philadelphia, PA.
Dr. Harel Rosen worked in the neonatal intensive care unit at Riddle Hospital. When his mother visited his workplace, she asked about an infant in the NICU laying naked under a bank of blue lights. Rosen explained that the baby was being treated for jaundice with light therapy, and they needed to treat as much of the skin surface as possible.
Daniella Rosen was troubled. “But his mom could not pick him up or hold him,” she said.
The incident sparked a series of conversations at the family dinner table. How could babies with jaundice be treated with light therapy in a less intrusive way? And what about areas of the world without access to power? Was there a solution possible that wouldn’t require electricity? Africa, for example, has one of the highest mortality rates for neonatal jaundice. Could a solution make it easier to treat jaundice across the world? (more…)
Let’s compare a 9-watt LED to a 60-watt incandescent light bulb:
Assuming the cost of electricity is $0.10/kWh, the incandescent light bulb will cost you $300 in electricity over 50,000 hours. The LED will cost you $45. That amounts to $255 in savings for every 50,000 hours of use.
Back in 2006, the city of Raleigh, NC partnered with local LED manufacturer Cree to become the first “LED City.” Since that time, the LED City program has grown substantially, with cities across the U.S. and abroad joining in to reduce their carbon footprint, save money, and promote LED technology in general. In fact, the U.S. Department of Energy itself absorbed the LED City Program recently.
This fall marks Raleigh’s fifth year as an LED City! Since that time, 57 LED projects have been completed in Raleigh, with installations ranging from streetlights to pedestrian walkways to the mayor’s office.
According to assistant city manager Dan Howe, each project passes a careful cost-benefit analysis before going through. “We have undertaken no LED project that did not pencil out for the taxpayers,” says Howe. “Early on, we decided our efforts here have to be focused on LED as a strategy that pays off, not just something cool that will save the earth.”
Take a quick mental inventory of the recessed lighting that’s currently in your home or business.
Is it efficient? Is it helping you save money on your power bill, or on your bottom line? Is the light quality impressive? Are the light bulbs incredibly long-lasting?
If you answered “no” to any of those questions, this article is for you. There’s a good reason why “retrofit” is the hottest buzz word in energy efficient right now, and why individuals and businesses across the world are revamping their recessed lighting systems to save millions of dollars by switching to LEDs.
1. You can kiss the hassle (and cost) of replacing light bulbs goodbye.
Average lifetimes range between 35,000 and 50,000 hours for LED recessed lighting retrofits. That means these lights are going to last anywhere from twelve to seventeen years, even if they are left on for eight hours every day. Imagine: If you install an LED recessed light in your newborn’s nursery, you won’t be replacing the light until that baby is leaving for college. (more…)
1. What size do you need? If you are replacing existing recessed lights, you need to purchase an LED retrofit module that matches those dimensions. If you’re unsure, just measure the diameter of your existing recessed downlights (not including the trim). Your LED retrofit module will be either four, five, or six inches in diameter.
2. Where is the installation location? If you are installing in a bathroom or any other area where moisture might accumulate, make sure to select an LED retrofit module that is “wet location approved.” (more…)
The term “lighting retrofit” may sound daunting, but for contractors and builders familiar with the technology, it’s just another project that makes saving energy possible (and very easy).
In fact, a relatively new product to the lighting marketplace is allowing homeowners to retrofit their own recessed lights with LEDs.
It’s called an LED retrofit module for recessed lighting, and it’s truly revolutionary. Homeowners with existing recessed lights can simply unscrew the light bulbs currently installed in their recessed fixtures, remove their trims, and screw the LED retrofit modules right into the existing sockets.
The LED retrofit modules come complete with a trim and a heat sink to maintain a cool operating temperature.
The opportunity to save energy is not the only benefit. The LEDs deliver incredible light output, high color rendering, full dimmability, and long lifetimes of up to 17 years. The products are even available in a variety of color temperatures – warm white, cool white, or neutral white.
From left to right: A CFL, an LED, & an Incandescent Light Bulb. Credit: Candace Lombardi/CNET
Journalist Candace Lombardi recently compared three Philips-brand light bulbs side by side. She said she’s often asked for a “regular person review” of LEDs versus CFLs versus incandescents without the jargon of lumens, kelvins, wattage, etc.
It’s a great article – Lombardi goes so far as to try smashing the Philips LED to the ground. When the LED survives with no damage, she concludes that Philips wasn’t kidding around about their 22.8 year life estimate for the product.
The Philips AmbientLED is the equivalent of a 75-watt incandescent and gives off a warm light (in a 2700K color temperature, for all the lighting professionals out there). See Lombardi’s photo to the right, and check out the article on CNET!