Harmonized Emissions Analysis Tool (HEAT)

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HEAT+ is an online software to support local governments in planning, implementing and monitoring greenhouse gas and air pollution emission reduction programs.

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This tool is included in the Development Impacts Assessment (DIA) Toolkit from the LEDS Global Partnership.


HEAT is an online tool to build an emissions inventory based on local energy use, transportation demand, and waste practices. The tool will also help a user/city build a simple emissions forecast, set a targets for reducing emissions, and quantify emission reduction activities and their co-benefits. HEAT is available for 7 countries and regions, including India, Philippines, Korea, South Africa, Europe, Brazil and USA.

When to Use This Tool

This tool is most useful for development impacts assessments focused on:

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Learn more about the topics for assessing the impacts of low-emission development strategies (LEDS).

Key Outputs

Local government officials use HEAT+ to:

  • Inventory and forecast emissions
  • Prepare Action Plans
  • Track commitments
  • Measure progress against targets
  • Inform policy decisions
  • Determine Priorities
  • Quantify progress, and
  • Report results

How to Use This Tool

Training Available
Country specific training offered periodically in the past

Level of Expertise

Key Inputs

Energy use, transportation demand, and waste practices

"The American ICLEI (Local Governments for Sustainability) developed the Harmonized Emissions Analysis Tool (HEAT) online software to support local greenhouse gas and air pollution emission reduction planning"


  1.  "ICLEI-HEAT"