The Xbox One's instant-on mode, while convenient, uses 30 times more power than energy-saving mode.
Today Honeywell announced that it is providing a service on its Web site that gives an idea of the savings customers could potentially achieve by using a programmable thermostat.
FirstFuel crunches utility and weather data to build a profile of commercial building energy use and offer recommendations to improve efficiency by 10 percent.
EnergyHub's Mercury service, which connects to smart thermostats to optimize home energy settings, will be offered through broadband providers, thermostat makers, and utilities.
The company says that data collected on homes using automated thermostat software system show an average 17 percent reduction in energy use.
Rooftop air conditioning units using new DOE design would reduce energy consumption by 50 to 60 percent compared to current models, agency says.
Silicon Valley-based Soladigm raises $30 million to make auto-tinting "electrochromic glass" for green buildings.
Products geared at using electricity wisely at home are coming from many directions, covering everything from home energy monitors to smartphone apps to manage electric-vehicle charging.
Same backers invest another round in Sage Electrochromics, the maker of electronically tintable and energy-saving glass products.
The software, from corporate power management software company Verdiem, cuts down on energy use significantly by scheduling when a computer goes into suspend mode.