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Microsoft Hohm is a free online application that helps you save energy and money. With Hohm you can better understand your home energy usage, get recommendations to help conserve energy and start saving. As with any recommendation product, Microsoft Hohm will provide increasingly more accurate and relevant suggestions for energy conservation as our 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.

Hohm uses advanced analytics licensed from Lawrence Berkeley Labs and the Department of Energy, to give you personalized energy saving recommendations. These recommendations are tailored based on your specific household circumstances including home attributes and use of appliances and systems. You will also be able to compare your energy usage with that of others in your area. In this beta version, the Microsoft Hohm team will learn from its users and communities and will make improvements to the site and analytics.

Thank you for your interest in Microsoft Hohm. Hohm is not currently available outside the U.S. Currently, the energy model and recommendations are tuned specifically for U.S. residences. We understand that saving energy and saving money are worldwide concerns and we plan to make Hohm available to other countries in the future. Additionally, Hohm leverages data such as weather, building techniques, common appliances, and energy commodity pricing, based on the location of the home. We appreciate your interest and hope that you will use Hohm once it is released in your country. Please check back to the site for announcements when additional markets are available. You can also follow us on Twitter or become a fan on Facebook.

Automated data feeds are live for Sacramento Municipal Utility District (SMUD), Seattle City Light, and Xcel Energy. Until your utility provider is added, we encourage you to manually input the data from your bill. In addition, we are actively signing up other utilities and will announce these through our blog, Facebook fan page and Twitter account.

Based on the location of a home, we can determine numerous averages including when the year a house was built, the type of heating system, and general appliance data. The default values for a house in that area are used to calculate how much money someone living in that ZIP code could save by following energy savings tips with a return on investment within 18 months. Actual homes in any ZIP code may vary significantly from the average. To get more accurate cost savings estimates, sign up for an account and enter more details about your home and your energy use, which will be used to generate energy-saving recommendations tailored for you.

A Hohm Score is a number from 0 to 100 (higher is better) measuring your home's energy efficiency based on home structure and your estimated energy use. It can change over time based on your improvements to your home. Until you join Hohm, it's an estimate; it will become more accurate after you sign up and enter details about your home. Use your Hohm Score to compare your home's efficiency to other homes in your neighborhood, or see how you compare to family and friends who are using Hohm.