NREL/EnergyPlus
Nov 2024 – Oct 2025
6 Months active
Languages Used
C++IDFCMakePython
Technical Skills
C++ DevelopmentCode FormattingCode RefactoringEnergy ModelingHVAC SimulationHVAC Systems
Tanaya Mankad
PROFILE
Tanaya Mankad
Tanaya Mankad contributed to the NREL/EnergyPlus repository, focusing on reliability, maintainability, and simulation accuracy in HVAC and energy modeling software. Over six months, Tanaya delivered targeted bug fixes and refactoring, such as improving DX coil performance calculations and refining multi-speed cooling logic to ensure correct compressor operation. She standardized floating-point types to Real64 for consistent numerical results, enhanced test coverage for Python plugins, and clarified licensing in source files. Using C++, Python, and CMake, Tanaya’s work addressed both code quality and functional correctness, demonstrating a methodical approach to software engineering that reduced technical debt and improved long-term project stability.
Overall Statistics
Feature vs Bugs
50%Features
Repository Contributions
16Total
Bugs
6
Commits
16
Features
6
Lines of code
3,296
Activity Months6
Your Network
33 peopleSame Organization
@bigladdersoftware.com2
Work History
October 2025
2 Commits • 1 Features
Oct 1, 20252025-10 monthly summary for NREL/EnergyPlus focusing on code quality and naming consistency improvements. Implemented minor formatting consistency in ShowDetailedSevereItemNotFound and renaming GetUserDefinedAirTerminal to GetUserDefinedAirComponent to improve API clarity. Changes are captured in two commits, enabling better maintainability and reducing future refactor risk. Overall impact includes clearer code paths, easier onboarding for new contributors, and reduced risk of misnamed components.
2 Commits • 1 Features
Oct 1, 20252025-10 monthly summary for NREL/EnergyPlus focusing on code quality and naming consistency improvements. Implemented minor formatting consistency in ShowDetailedSevereItemNotFound and renaming GetUserDefinedAirTerminal to GetUserDefinedAirComponent to improve API clarity. Changes are captured in two commits, enabling better maintainability and reducing future refactor risk. Overall impact includes clearer code paths, easier onboarding for new contributors, and reduced risk of misnamed components.
October 2025
September 2025
6 Commits • 2 Features
Sep 1, 2025Month 2025-09: Delivered reliability, testing refinements, and licensing clarity for NREL/EnergyPlus. Stabilized UserDefinedComponents initialization by decoupling ZoneHVAC and AirTerminal initialization, reducing startup conflicts and improving initialization reliability. Strengthened SolarHeatingPythonPlugin quality with regression-focused test improvements, module-name corrections, and annual-simulation readiness, elevating plugin robustness. Added an open-source license to SolarHeating.py to clarify redistribution terms. These efforts reduce risk, improve maintainability, and enable broader, longer-running validation for business-critical simulations.
September 2025
6 Commits • 2 Features
Sep 1, 2025Month 2025-09: Delivered reliability, testing refinements, and licensing clarity for NREL/EnergyPlus. Stabilized UserDefinedComponents initialization by decoupling ZoneHVAC and AirTerminal initialization, reducing startup conflicts and improving initialization reliability. Strengthened SolarHeatingPythonPlugin quality with regression-focused test improvements, module-name corrections, and annual-simulation readiness, elevating plugin robustness. Added an open-source license to SolarHeating.py to clarify redistribution terms. These efforts reduce risk, improve maintainability, and enable broader, longer-running validation for business-critical simulations.
May 2025
1 Commits • 1 Features
May 1, 20252025-05 Monthly Summary – NREL/EnergyPlus Key focus: code quality improvements and numerical precision alignment to support reliable energy simulations.
1 Commits • 1 Features
May 1, 20252025-05 Monthly Summary – NREL/EnergyPlus Key focus: code quality improvements and numerical precision alignment to support reliable energy simulations.
May 2025
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for NREL/EnergyPlus. Focused on license-year compliance update in headers to reflect current year. Implemented a targeted, low-risk change across multiple header files; ensured no impact on build or runtime behavior; improved licensing accuracy and audit readiness.
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for NREL/EnergyPlus. Focused on license-year compliance update in headers to reflect current year. Implemented a targeted, low-risk change across multiple header files; ensured no impact on build or runtime behavior; improved licensing accuracy and audit readiness.
December 2024
2 Commits • 1 Features
Dec 1, 2024December 2024 monthly summary for NREL/EnergyPlus: Delivered critical bug fix in cooling system multi-speed control and implemented code cleanup to improve maintainability. The bug fix ensures the compressor is correctly identified as off when cooling load is present but the compressor is not running, preventing unintended activation; the UnitarySystem.cc cleanup removes redundant local variable calculations to simplify logic and improve readability. These changes enhance reliability, energy-model accuracy, and maintainability, laying groundwork for future feature work.
2 Commits • 1 Features
Dec 1, 2024December 2024 monthly summary for NREL/EnergyPlus: Delivered critical bug fix in cooling system multi-speed control and implemented code cleanup to improve maintainability. The bug fix ensures the compressor is correctly identified as off when cooling load is present but the compressor is not running, preventing unintended activation; the UnitarySystem.cc cleanup removes redundant local variable calculations to simplify logic and improve readability. These changes enhance reliability, energy-model accuracy, and maintainability, laying groundwork for future feature work.
December 2024
November 2024
4 Commits
Nov 1, 2024Concise monthly summary for 2024-11 focusing on NREL/EnergyPlus work: key bug fixes that improve DX coil accuracy, unitary system logic, and code quality, with measurable impact on model reliability and maintainability.
November 2024
4 Commits
Nov 1, 2024Concise monthly summary for 2024-11 focusing on NREL/EnergyPlus work: key bug fixes that improve DX coil accuracy, unitary system logic, and code quality, with measurable impact on model reliability and maintainability.
Activity
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Quality Metrics
Correctness93.2%
Maintainability92.6%
Architecture88.8%
Performance85.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
C++CMakeIDFPython
Technical Skills
Bug FixingBuild System ConfigurationC++C++ DevelopmentCode FormattingCode MaintenanceCode RefactoringConfigurationEnergy ModelingEnergyPlus IDFFile RenamingHVAC SimulationHVAC SystemsLicensingPython Scripting
Repositories Contributed To
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