page_title: Energy Star
section_title: Buildings
hierarchical_section_title: Energy Star / Energy performance ratings / Buildings
caption_attribution_description: Is your city a true Energy Star? Check out the top 5 cities with the most Energy Star certified buildings. See all 25 winners here: http://go.usa.gov/3r6mH
context_page_description: Energy Star is a program run by the U.S. Environmental Protection Agency and U.S. Department of Energy that promotes energy efficiency. The program provides information on the energy consumption of products and devices using different standardized methods. The Energy Star label is found on more than 75 different certified product categories, homes, commercial buildings, and industrial plants.
  Elements of the Energy Star Program have been adopted in the European Single Market as well as Energy Star Canada, Japan, and Taiwan. In the United States, the Energy Star label is also shown on the Energy Guide appliance label of qualifying products.
context_section_description: The number of space types that can receive the energy performance rating in Portfolio Manager is expanding and now includes housing, bank/financial institutions, courthouses, hospitals (acute care and children's), hotels and motels, houses of worship, K-12 schools, medical offices, offices, residence halls/dormitories, retail stores, supermarkets, warehouses (refrigerated and non-refrigerated), data centers, senior care facilities, and wastewater facilities.
  See the technical descriptions for models used in the rating system at. These documents provide detailed information on the methodologies used to create the energy performance ratings including details on rating objectives, regression techniques, and the steps applied to compute a rating. A 1-100 rating can be generated for ratable space types by entering building attributes, such as square footage and weekly operating hours, and monthly energy consumption data into Portfolio Manager, a free online tool provided by Energy Star. This process is known as benchmarking and reveals how a building's energy consumption compares to that of other similar buildings of the same space type, based on a national average. Earning a rating of 75 or above is the first step towards achieving the Energy Star for a building.
  Energy Star energy performance ratings have been incorporated into some green buildings standards, such as LEED for Existing Buildings. In the U.S., builders of energy efficient homes are able to qualify for Federal Income tax credits and deductions.
  Energystar.gov estimated that energy use in commercial buildings accounts for 20% of greenhouse gas emissions, costing more than $100B per year.
caption: 2015 graph showing cities with the most Energy Star-certified buildings
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