This 65-inch plasma is the most power-hungry TV we’ve ever tested. It uses $6.77 per month in electricity. Since 2011 the FTC has required that every TV display a yellow and black Energy Guide label ...

As of now, the sole mode of enforcement for the pending regional energy efficiency standards will come in the form of a new-look Energy Guide sticker. Through the Appliance Labeling Rule, HVACR ...

EnergyGuide labels are like nutrition facts for appliances. Reading them can help you save energy when making a big purchase. The EnergyGuide label for an appliance (like this one for a freezer) tells ...

Northern freeze-thaw cycles vs. Southern sun exposure: How location changes window cost priorities.

Paid content is paid for and controlled by an advertiser and produced by the Guardian Labs team. A 100% renewable tariff means 100% renewable electricity, right? Maybe not. Here’s how to make sure ...