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Home Energy Saver / Home Energy Advisor
The Home Energy Saver was the first Internet-based tool to help homeowners reduce energy use in their homes. The World Wide Web site serves as a "do-it-yourself" home energy audit, helping homeowners identify the best energy upgrades and providing the information and resource contacts to help implement these upgrades. The site is being developed as part of the U.S. Environmental Protection Agency's Energy Star Program for reducing CO2 emissions from homes.
The Home Energy Saver quickly computes a home's energy use on-line, and by simply changing one or more features of the home users can estimate potential energy savings of energy-efficiency improvements. Separate modules are provided for heating/cooling, domestic hot water, appliances and miscellaneous uses, and lighting. Energy consumption is estimated using state-of-the-art models and data developed at Lawrence Berkeley National Laboratory, most notably the DOE-2 building simulation model for the heating/cooling module. We developed a coordinated system of software and hardware in order to make the HES as easy to use as possible involving an interactive database accessed through common gateway interface (CGI) scripts. In addition to calculating energy use on-line, the tool connects users to an expanding array of hundreds of other web sites providing information on energy-efficient products, home builders, residential utility programs, practical newsletters, energy software, and other useful topics.
The Home Energy Saver is designed for the lay-person, but is also useful to energy analysts, utilities, residential builders, and equipment/service vendors. This Web-based approach has several advantages over the traditional process of designing and deploying energy tools, such as a dynamic web-based information network, and low-cost, immediate software distribution.
Lead - Evan Mills*
* LBNL, Center for Building Science
# LBNL, Energy Analysis Department
U.S. Environmental Protection Agency
$ LBNL, Building Technologies Department
¥LBNL, Indoor Environment Department
Energy Star energy conservation energy savings energy efficiency environment climate change weatherization solar energy appliances energy audit energy tools efficient buildings energy education heating cooling heat pumps furnaces boilers air conditioners insulation ducts skylights windows thermostats fuel switching mechanical ventilation water heater water heating refrigerator freezer dishwasher clotheswasher clothes dryer miscellaneous energy home energy comfort remodeling residential energy.