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Breakthough: $25 LED Light Bulbs Available Soon

by Justin Thomas •

I’ve been testing the new Zeta-Lux 2 LED light bulb from EarthLED. This bulb looks similar to the first Zeta-Lux –but this bulb retails for $25 instead of $40. This means you can get a 40-watt equivalent LED bulb that consumes just 6 watts. The color temperature of the Zeta-Lux 2 is a pleasing 2800K. These bulbs are very durable …

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Efficient LED Light Bulbs For The Home

by Benjamin Roman •

LED light bulbs have some huge advantages over incandescent and compact fluorescent (CFL) bulbs. But they perform differently, so here’s your guide to understanding LED bulbs so you can enjoy their benefits and play to their strengths.

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Solar Powered Air Conditioner Released

by Justin Thomas •

A company called GreenCore Air has released an air conditioner than can be powered by a single 170 watt solar panel. The GreenCore air conditioning unit can heat and cool a 600 square foot room. It runs on DC power, so there is no need to put an AC inverter between the solar panel and the air conditioner. This eliminates …

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Zapino: A 100% Electric Scooter by ZAP

by Justin Thomas •

The Zapino scooter, made by ZAP, in a company better known for their electric cars, has been getting rave reviews. Many Zapino owners report that this scooter performs really well and is quite reliable (see here and here). It’s also relatively inexpensive, being sold for just under $3000. It has a powerful 3000-watt brushless DC hub motor, which, according to …

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13W LED Bulb Can Replace 100W Incandescent

by Justin Thomas •

This 13 watt bulb, the Evolux by EarthLED, is said to be first LED light to be able to replace a 100 watt incandescent. The lifetime of this bulb is rated at over 50,000 hours — which is five times longer than a compact fluorescent bulb. Other advantages of LED bulbs is their ability to brighten instantly, and be switched …

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EcoLEDs: Mercury-Free LED Bulbs

by Justin Thomas •

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 …

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New Rooftop Wind Turbine Tested: The Helyx

by Justin Thomas •

Recently, I wrote about the low-profile Aerotecture wind turbines, which are designed to be installed on the rooftops of city buildings. Now I’ve heard of another rooftop wind turbine under development. It’s called the Helyx Wind Generator, and it’s composed of two twisted wings of fiberglass that rotate around a vertical axis. The turbine is also colored bright green, which …

Modern LED Candle: The Havaleena

by Justin Thomas •

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.

An Intelligent Indoor Plant Light

by Justin Thomas •

It’s great to brighten up a cold winter day by growing plants under lights indoors. This device aims to make indoor growing easier. It has a grow light (a full-spectrum 9-watt fluorescent), and the lamp turns on and off every day, simulating the changing length of days with the passing seasons. The Intelligent Plant Grow Light also has an adjustable …

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LED Ceiling Lights

by Justin Thomas •

Glen Hunter has created lighting fixtures using 1 watt LEDs and acrylic rods. He originally designed the lights to use in his off-grid house. This kind of lighting design is really pushing the efficiency envelope. They are now available from Eurolite. More information: GlenHunter.Ca