Building Energy Software Tools
Formerly hosted by US Dept. of Energy    

Heat Map Generator Tool - Type 2 (Combined Heat map)

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Centre for Advanced Research in Building Science and Energy (CARBSE) at CEPT University has developed two tools to generate heat maps. This is a free tool. Objective of this tool is to help visualize Building Energy Simulation output in more meaningful manner. Salient features are:
• Choices of colours to make the heat map including separate colour provision for missing value.
• Choice of different date formats that best suits the timeline.
• Choice to alter the range of numbers to be included in the heat map by adjusting variable scale options.
• Provision to enter the title, X-axis, Y-axis and legend label name.

To use this tool the user’s input CSV file should have:
• A column with exact header as “Timestamp”.
• The format of Timestamp should be “decimal date – decimal month – 2 digit year Hours:Minutes”, for example “01-01-17 17:30” that represents 1st January 2017 at 17 hours and 30 minutes.
• Other columns of the input file must contain numerical value and blank cell for missing values.

Heat map Type-2 (Combined Heat Map) helps in visualising many variables at the same time which are listed in the input CSV file. The tool also gives a provision to adjust the number of variables that the user want to show on the heat map.

User can download output from this tool as *.PNG file.

The tool is output of project titled US India Joint Centre for Building Energy Research and Development (CBERD) sponsored by The U.S. Department of Energy (DOE) and the Department of Science and Technology (DST), Government of India.

Expertise Required: 

No Specific Expertise requirements


Architects, MEP Engineers, Energy Analysts, Students


Data with variables listed in the input CSV file


Heat map can be viewed on the screen and can also be downloaded as *.PNG file.


Heatmap Tool can help users visualize the number associated with the variable in a more meaningful way. It is easy to customize the Heatmap by adjusting colour, value range, title, X-axis, Y-axis and legend label name and a click away to download as *PNG file.

Major Capabilities: 
Help and Support: 
Free Email Support
Last Software Update: 
25 July 2017
Last Entry Update: 
28 August 2018
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