Lighting Costs Cut By 90% Using Intelligent LEDs

A company called Digital Lumens has introduced product that networks LED lights together to form an “intelligent” lighting system. The system can turn on lights if people are present in a room, and adjust brightness levels over the course of a day. Overall, the system can cut lighting costs by 90% for commercial sites like warehouses. A real world example is …

Charging USB Devices With AA Batteries

Charging USB Devices With AA Batteries

In this article, we will share with you some devices that use AA batteries to charge USB-powered small electronics. These devices provide a convenient way to stretch the time between wall outlet recharges.

LED Lamps That Glow With Warm White Light

LED Lamps With Warm White Illumination: Koncept Z-Bar ($165) and i-Tower ($195) Pablo Designs LIM L Floor ($350) Cree XLamp XR-E Warm White LED Lantern ($25) The color temperature of light is measured in degrees Kelvin. Lower-temperature white LEDs (around 2,000-4,000 K) are warm (yellowish white) like incandescent bulbs. White LEDs with higher color temperatures (above 5,000 K) are cool …

New Light Bulb Efficiency Guidelines

There has been much discussion in the media lately (including a fair amount of misinformation) regarding the phase-out of traditional incandescent light bulbs in the United States.  Read on to separate the reality from the hype, and to learn more about efficient lighting technologies that will save energy and cut your power bills.

Efficient Summertime Room-Cooling Products

When the summer sun starts beating down, homeowners need to use all the tools available to stay cool. We’ve put together the following list of products to help keep your favorite room cool and comfortable this season, while cutting your energy consumption and saving some money in the process.

Intelligent Electrical Outlets: Efficient and Safe

Here’s a short presentation at TED 2010 by inventor John La Grou, where he unveils an invention that would make electrical outlets much smarter. The invention, Safeplug, promises to prevent deadly accidents like house fires — and to conserve energy.

TED 5000 Household Power Meter – Improve Home Energy Efficiency

It’s no secret that cutting your household energy consumption is a great way to reduce your environmental footprint. It’s also a great way to save money on your utility bills. But to pinpoint the best places to reduce power use, you need to know exactly where your power is going – no small task considering the number of devices, appliances, …

Review: Smart Power Strips

I’ve been testing a surging-protecting power strip called the Smart Strip by BITS. The Smart Strip works like this: it has a “Control Outlet” which controls six other outlets on the power strip. If you plug a computer into the Control Outlet, and it turns off or goes into sleep mode, the other “switched” outlets on the strip will be …

Solar Powered 12 Volt Battery Charger

Solar powered 12 volt battery chargers are small solar panels that trickle charge your car’s battery while the sun is shining. Basically, the solar charger provides a small amount of power to the battery, so that if you leave your car’s door open you won’t be left with a dead battery. This reminds me: I’ve always wondered why cars don’t …

Efficient Power Adaptor: PowerSquid

This piece of electrical cordage is called a PowerSquid. It lets you connect multiple devices, even with big power converters, to a single outlet. It even has its own home page. They also have version that incorporate surge protection and other electrical interference. Available from Amazon for $11.99