A multimeter might look intimidating, but learning to use this simple electrician's tool will come in handy during a number of every day tasks.

The numbers you see on the box don't always work out in real life. LED bulbs do last longer, but those claims about five to 10 years are estimates based on internal testing -- and companies are always ...

Plus, companies may use sneakier language, like "up to seven years," which means they're probably doing serious weighting toward the very top performers in their bulb testing, making it more likely ...

That means inside every LED bulb are tiny circuit components -- and their soldered contact points -- which are far more vulnerable than the diode itself. The Lighting Research Center of the Rensselaer ...

Phantom energy is the easiest line on your electricity bill to tackle—and it’s not as mysterious as its name suggests.

Energy bills are relentless, and hard water leaves its calling card on the one appliance we use without thinking: the kettle.

Millions of people will get a letter this week giving a £150 discount off their energy bills this winter, but which DWP ...

Does a bigger magnification than the simultaneously released TS-L 1640 make the 20x TS-L 2040 the new top dog among ...

CNET's experts have tested the best air purifiers on the market for price, size and performance to help you breathe more ...