Following is a list of freeware that provides information related to energy conservation. Before you access any software or apps, please read our disclaimer and permissions page if you haven't already done so.

Acid Rain Program Forms
By US Environmental Protection Agency, Acid Rain Program. Forms required under the US EPA's Acid Rain Program, including those required for the Allowance System, Permitting, Monitoring, the Opt-In Program, Annual Reconciliation, the Allowance Auction, and Conservation and Renewable Energy Reserve. The forms are in PDF and WordPerfect formats.

BTS Core DataBook
By Department of Energy's Office of Building Technology, State and Community Programs (BTS). Data related to energy use in commercial and residential buildings. Topics include: energy consumption and expenditures; end-use splits; geographic region and vintage; construction statistics; and, estimated carbon emissions. Tables are fully indexed, and can be viewed as HTML or PDF formats or downloaded as a spreadsheet (tab-delimited) file. The entire DataBook can be downloaded as a PDF file (registration required).

Electricity and Environment Database
By Commission for Environmental Cooperation. Provides information relating to the "Environmental Challenges and Opportunities of the Evolving Continental Electricity Market" and the green goods and services certification project. The database is searchable by keyword or text, and contains information on government and non-government initiatives from Canada, Mexico and the United States.

Energy Star Products
By US Environmental Protection Agency and US Department of Energy. Helps you make the most economical purchases for your facilities and home with a simple estimate of potential energy savings.

Environmental Impact Calculator App
By Siemens AG. This iPhone/iPad app allows you to estimate your building’s baseline carbon footprint from purchased electricity, natural gas, and heating oil. In addition, you can measure the impact of energy efficiency improvements on an annual basis or throughout the length of the project term.

Green Conference Initiative
By US Environmental Protection Agency, Office of Pollution Prevention and Toxics (OPPT). Opportunities for conference planners and suppliers (e.g., hoteliers, convention centers, and food service providers) that can help reduce pollution, energy use, and water use at a conference.

Green Gas Saver App
By The Green Gas Saver is an iPhone App that trains you to drive more efficiently. Hard accelerations when driving translate to poor fuel economy. With two visual gauges, and audible warnings, the Green Gas Saver corrects your driving style.

Green Vehicle Guide
By US Environmental Protection Agency. Find information about the air pollution emissions and fuel economy performance of different vehicles.

Heat Transmission Properties of Insulating and Building Materials
By National Institute of Standards and Technology. A reference for building designers, material manufacturers, and researchers in the thermal design of building components and equipment.

Home Energy Saver
By Environmental Energy Technologies Division at the Lawrence Berkeley National Laboratory. Is your home energy efficient? This online tool looks at ways to save energy for heating/cooling, domestic hot water, appliances and miscellaneous uses, and lighting.

HORIZON Solutions Site
By HORIZON Communications, UNEP, UNDP, UNPF, UNICEF, Harvard University, Yale University, and the IDRC of Canada. A source of case studies on proven or promising solutions drawn from all parts of the world and from both high and low technologies. Subjects include agriculture, biodiversity, desertification, forests, oceans, fisheries, land management, energy production and consumption, population, public health, toxic chemical and pollution control, transportation, waste management, and water quality and supply.

By Envirolytics. Perform your own quick or detailed energy analysis with no prior technical experience. Get heating, cooling, lighting, hot water and appliance energy consumption break downs with yearly cost and CO2 emission estimates. Upgrade and retrofit suggestions include yearly savings, economic projections, payback period and information about various energy saving alternatives. For iPhone.

Light Bulb Finder
By Eco Hatchery, LLC. An app for iPhone and Android that makes it easy to switch from conventional light bulbs to energy-saving equivalents with the right fit, style and light quality. View bulb images, cost, savings, and environmental impact. Create shopping lists, and buy bulbs directly through the app or at local stores.

One Stop Green Mobile App
By One Stop Green, LLC. This iPhone app allows you to conduct home and commercial energy audits right from your mobile phone! Receive daily green tips. Includes a solar, wind, water, and lighting calculator.

Solar Panels Suitability Checker
By Solar Panels UK. This iPhone app will help you identify if your roof or other location is suitable for solar panel installation.

U.S. Life-Cycle Inventory Database
By National Renewable Energy Laboratory (NREL). This database provides a cradle-to-grave accounting of the energy and material flows into and out of the environment that are associated with producing a material, component, or assembly. It's an online storeroom of data collected on commonly used materials, products, and processes.

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This page last updated on 2/13/18