Energy Management Tools
Units Conversion
This free online "units of measure" conversion tool converts just about anything to anything else. Over 5,000 units, and 50,000 conversions.
Weather Data
The tool provides average daily temperature, cooling degree days, heating degree days, degree day comparaison, and degree day forcast.
Degree Days
This tool generates heating and cooling degree days for thousands of locations worldwide.
CBECS
Based on CBECS, the estimated 5.9 million U.S. commercial buildings consumed 6.8 quadrillion BTUs of energy and spent $141 billion on energy.
Electric Utility Rates
OpenEI users may browse, edit and add new electric utility rates to OpenEI's repository. EIA provides the authoritative list of utility companies in the United States.
Power Profiler
The Power Profiler report will show you the air emissions attributable to the electricity you use in your home or business during one year.
Greenhouse Gas Equivalencies
This calculator may be useful in communicating your greenhouse gas reduction strategy and targets, or other initiatives aimed at reducing greenhouse gas emissions.
Light Bulb Calculator
This tool compares your existing incandescent light bulb to an ENERGY STAR compact fluorescent bulb, and therefore provide you with estimated energy savings per year.
Target Finder
Target Finder is a no-cost online tool that enables architects and building owners to set energy targets and receive an EPA energy performance score for projects during the design process.
Portfolio Manager
Portfolio Manager is an interactive energy management tool that allows you to track and assess energy and water consumption across your entire portfolio of buildings.
U.S. EIA
The U.S. Energy Information Administration (EIA) has an online portal that provides a comprehensive, dynamic, and interactive view of the U.S. government's national and state energy data.
International Energy Agency
The International Energy Agency (IEA) website has a wealth of statistics regarding energy production and consumption for any country in the world.
Energy and Moisture Transfer
A comprehensive strategy for concurrently regulating heat, air, and moisture transfer through the building envelope will have a major impact on reducing energy consumption.
ZIP-Code Insulation Program
This tool will tell you the most economic insulation level for your new or existing house. To produce your insulation recommendations, the program needs to know many things.
Steep Slope Calculator
DOE Steep Slope Calculator estimates cooling and heating savings for residential roofs with non-black surfaces.
Roof Savings Calculator
The tool was developed as an industry-consensus roof savings calculator for commercial and residential buildings using whole-building energy simulations.
Building Codes
This site is designed to allow you to view the International Codes, State-Adopted Codes, and various Archived Codes for free. Click here to access other free resources..
State Portal
The Building Energy Codes Program (BECP) tracks energy codes at the state level and provides state specific energy code resources.
REScheck
This online tool simplifies residential energy code compliance by automating the trade-off calculations for the IECC and a number of state-specific codes.
