Solar Hybrid Lighting Tested In California

A handful of buildings in California are beginning to try a new kind of indoor lighting: sunlight without windows. It’s called hybrid solar lighting, and it is being marketed by a company called Sunlight Direct. During the day, sunlight is captured and channeled into lighting fixtures, then at night, the fluorescent bulb takes over. On the roof, sunlight is captured …

EcoLEDs: Mercury-Free LED Bulbs

A start-up company is offering mercury-free, energy efficient, high-brightness LED lights to replace typical light bulbs in homes and offices. The EcoLED lights use 1/10th the electricity of incandescent light bulbs, and are estimated to last 50,000 hours before burning out (approximately a decade of normal use). Unlike compact fluorescent bulbs, these bulbs contain no mercury. Note that these bulbs …

Modern LED Candle: The Havaleena

It’s a 1 watt LED lamp called the Havaleena by Tayo Design Studio. These lights only require three AAA batteries to run, and fully charged batteries provide 20 hours of illumination. Each light comes with four colored filters and they are priced at $59.

The Best LED Floor Lamps

Even in these modern times, LED floor lamps are tricky to find. We, however, found one by Adesso, the Eternity Floor Lamp, which incorporates 20 white LEDs. So what can you expect from an LED floor lamp? Well, white LEDs will emit a concentrated, bluish-white light. So these lamps are great for accent lighting. As far as energy goes, these …

Optimal Green: Daylighting

Most modern buildings don’t take full advantage of daylight. Here, in the Plaza at PPL Center, a dramatic eight-story central glass atrium brings natural light deep into the core of the building, while extensive perimeter glazing provides abundant daylight.

Icelight: LED Desk Lamp

Here’s a new LED Desk Lamp from Koncept. It features 66 “super bright” LEDs. The IceLight is about as bright as a 40–60 watt incandescent bulb. A single bright white LED puts out about 1.7 lumens of light, so 66 of them produce about 112 lumens. This 112 lumens is focused in a 50-degree viewing angle, compared to an incandescent …

Dimmable Compact Fluorescent Bulbs

Dimmable compact fluorescents are available, they are usually made with “cold cathode” technology. You can find dimmable bulbs here on Amazon. There’s a 12 pack available here, and a dimmable compact fluorescent spotlight here. 1000 Bulbs also sells a wide range of dimmable compact fluorescent bulbs

20 LED Portable Spotlight

Not bad! Good marks on efficiency and portability. This spotlight has 20 LEDs on a rotating head. It runs up to 200 hours continuously on 3 D-size batteries.You can also plug it into a 12V DC lighter socket if you wish. It’s available from Amazon for $29.97

Colored Compact Fluorescents

Who knew that compact fluorescents came in colored bulbs too? The yellow ones can be used as bug lights. They also come in other colors too. Available from: Save on Lighting ($9-$11)

LED Light Bulb Replacements

LEDs are close to becoming metaefficient alternatives to regular light bulbs, but they are not quite there. Right now the brightest LED bulb is equivalent to a 25W incandescent bulb. The bulb seen here has 36 LEDs and runs on 1W. That means it could run 10 hours a day for a whole year for less than two dollars. It …