The site provides tips such as how to set up your thermostat, how to seal your home with weather-stripping, and how to replace the filter in your furnace.
From the Microsoft Hohm blog:
"Microsoft Hohm is a free online beta application that helps you save energy and money. With Microsoft Hohm you can better understand your home energy usage, get recommendations to conserve energy and start saving. As with any recommendation engine, Hohm will provide increasingly more accurate and relevant suggestions for energy conservation as its users contribute home energy input and feedback. One of the objectives during our beta period is to refine our tool and further increase the value our product can offer to you."
You can sign up or read more at Microsoft Hohm.