Why and how do the lamps with the same reported colour temperatures look different?

We see more and more light sources that have a reported/indicated colour temperature that when compared to another light source actually appear different to human eye. So, how and why does this happen? When discussing colour temperature (CT), people are usually referring to correlated color temperature (CCT). There is a key difference between these two...

Don’t Overlook the Benefits of Correct Outdoor Lighting

This article highlights three often overlooked benefits of the correct outdoor lighting design and execution. It also provides a reminder that the main reason most outdoor lighting upgrades are driven by the obvious long-term costs benefits that LED provides. This article comes via our friends at Switch – Advanced Lighting Solutions. We use them for...

LED Lighting – A Double-edged Sword…If done improperly

LED lighting is the most efficient and fastest growing segments in the lighting market today. LEDs provide a variety of benefits, however, they also have key disadvantages, particularly if you invest in a lower quality system. Below is a list of the distinct pros and cons that LEDs offer: The Benefits More Efficient Unlike older lighting solutions, do...

Lighting Controls – Top Reasons Why They are so Important

Increase Workplace Comfort. By setting the right light levels for each workspace at each hour of the day, employees are more comfortable and experience less eye strain. Not surprisingly, eyestrain is the leading cause of stress in the workplace, according to a report by Kensington Technology Group. Reduce Energy Consumption by as Much as 50%....

Lighted Door Handles

An interesting concept to be sure, having not yet seen this in actual use, I cannot comment on how robust the mechanism is, nor on how long the battery will last. Lighted Door Handle Concept

LED Efficiency Has Surpassed CFL, with more to come

Light-emitting diodes, or LEDs, once were the stuff of electronics geeks rifling through circuit board component drawers at Radio Shack. They were the blinking lights on computers and stereo systems signifying that the power was on, and the soft red glow of a calculator display back when President Jimmy Carter was putting solar panels on...

The 101 on LEDs and You

The future of LED technology is bright as buildings young and old continue to migrate to the environmentally friendly light source. LEDs are rapidly transforming the commercial market as manufacturers continue to unveil products that offer increased brightness, increased reliability, affordability and lifespan. The industry is looking to LEDs for their greatest value – energy and CO2 reduction....

Interesting Article on the Effects and Use of Light

Key points are: Two-thirds of the world’s population, and 99 percent of people living in the continental U.S. and Western Europe, no longer experience what we might call true night — one free from the glow of artificial lights. The three main ways people are finding out it’s having an impact is that it’s disrupting...

LED

Castle Howard Case Study: Planetsaver 2013 Although this is a British case, the basic elements of the retrofit story are the same for the North American and particularly Canadian market.  Re-lamping (changing out old technology bulbs such as incandescent, halogen or fluorescent) your light fixtures with LEDs is the simplest, quickest and easiest way to...

Retrofitting to LEDs…

Here’s a link to an interesting article on residential retrofits and how to properly incent homeowners/consumers. It is written for the British, but applies equally here in North America. http://www.theguardian.com/sustainable-business/light-bulbs-incentives-energy-efficient   Things we consider when we move a client from a traditional lamp/bulb to LED: an LED need only provide 1/7th the output (in watts) of...

Simple Discussion of LEDs

5 basic facts about LEDs: Energy Efficient Lifetime Size Light Distribution Controllable http://www.ieslightlogic.org/learn-about-lighting/why-choose-led-lighting-fixtures/ For more details or information on LEDs, check out our other posts: http://www.ddmlighting.com/light-emitting-diodes-thats-so-last-century-check-out-light-emitting-plants/ http://www.ddmlighting.com/very-interesting-work-being-done-by-the-canadian-urban-institute/ http://www.ddmlighting.com/leds-change-bottom-line-today/

LEDs…how to change your bottom line, TODAY

A very interesting article on the immediate impact of retrofitting to LED.  Although the discussion starts at the public policy level with a mention of POTUS Obama’s state of the union speech, it quickly drills down to the nuts and bolts of large multi-location commercial retrofit. Long story, short: this can be done today, it...

Many ways to peel an onion…

Yesterday I wrote briefly about financing for retrofit projects, presenting one point of access for capital, an innovative municipal government program. Today I will present a second option, which is a lease program offered by a private company on a for-profit basis. This concept is relatively unique, as leasing of lighting has rarely been done...