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Energy Solutions Center Inc.

400 N. Capitol St., NW 4th Floor
Washington, DC 20001

Voice 202-824-7153
E-mail aduckman@escenter.org


Tools and Calculators


Commercial Buildings Carbon Foot Print Calculator


Carbon Calculator   

This Commercial Carbon Calculator was produced by ICF International for ESC.  This uses the latest eGRID data released in 2021. 

Residential Energy & Emissions Carbon Calculator

Launch calculator

The Residential Energy & Emissions Calculator allows a user to compare the energy usage, emissions and approximate energy costs for a home that utilizes natural gas for heating, water heating, cooking and clothes dryer versus various other energy sources for these appliances.  Users have ultimate flexibility in being able to select from various pieces of equipment and efficiencies. The calculator will default to using state average energy prices for the different fuels or a user has the option to input their local rates. Emissions are calculated for electric using current E-grid data on emissions.

 Heating Oil & Propane Cost Calculator
This simple calculator compares the cost of heating oil and/or propane to that of natural gas.

 Combined Heat & Power (CHP) Payback Tool


This tool provides a simple payback calculation for various CHP technologies based on the size and energy rates.

 Large Tonnage Gas Cooling & Gas Heat Pump Calculator


This tool will calculate life cycle costs & emissions of conventional systems compared to large tonnage gas cooling options (>=100 tons), or to gas fired heat pumps (<100 tons).