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From the incandescent to CFLs to LEDs, we're exploring the <a href="/node/772396">long history of the light bulb</a> and how it led to new technology breakthroughs that are helping consumers save money on their energy bills.

From the incandescent to CFLs to LEDs, we're exploring the long history of the light bulb and how it led to new technology breakthroughs that are helping consumers save money on their energy bills.

Our homes are a major source of energy use in the U.S. Improving the efficiency of new and existing homes while educating consumers about their energy use will help consumers save money and increase the nation’s energy security.

The Energy Department supports research and development on innovative technologies that save energy and money while also working with local governments, utilities and nonprofits to provide opportunities for families to make smart, cost-effective energy upgrades to their homes. From basic information on water heaters and insulation to home energy audits and appliances, the Department’s Energy Saver website provides consumers with practical tips and advice on ways to cut their energy use. 

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Top 4 Energy Department Inventions Saving You Energy & Money at Home

Learn how the Energy Department is helping lay the foundation for more efficient homes by developing energy-saving technologies.

Energy Saver 101 Infographic: Home Cooling
Just in time for summer, our new Energy Saver 101 infographic covers everything you need to know about home cooling. Download a <a href="/node/920771">high-resolution version</a> of the home cooling infographic. | Infographic by <a href="/node/379579">Sarah Gerrity</a>, Energy Department.

Just in time for summer, learn everything you need to know about home cooling with our new Energy Saver 101 infographic.

Energy Saver 101 Infographic: Home Heating
Our new Energy Saver 101 infographic lays out everything you need to know about home heating -- from how heating systems work and the different types on the market to what to look for when replacing your system and proper maintenance. Download a <a href="/node/784286">high-resolution version</a> of the infographic or individual sections. | Infographic by <a href="/node/379579">Sarah Gerrity</a>, Energy Department.

Learn everything you need to know about home heating with our latest Energy Saver 101 infographic.

Energy Saver 101 Infographic: Landscaping
Our new Energy Saver 101 infographic highlights everything you need to know to landscape for energy savings. Download a <a href="/node/898361">high resolution version</a> of the infographic or individual sections. | Infographic by <a href="/node/379579">Sarah Gerrity</a>, Energy Department.

Our new infographic covers everything you need to know about energy-saving landscaping.

Energy Saver 101 Infographic: Home Energy Audits
New Energy Saver 101 infographic breaks down a home energy audit, explaining what energy auditors look for and the special tools they use to determine where a home is wasting energy. | Infographic by Sarah Gerrity, Energy Department.

The first step to saving energy and money is a home energy audit.

New Infographic and Projects to Keep Your Energy Bills Out of Hot Water
New Energy Saver 101 infographic lays out the different types of water heaters on the market and will help you figure out how to select the best model for your home. Download a high-resolution version of the <a href="/node/612506">infographic</a>. | Infographic by Sarah Gerrity.

New Energy Saver do-it-yourself guides and an infographic will help you save energy and money on water heating costs.