A review of physics-informed machine learning for building energy modeling

Zhihao Ma, Gang Jiang, Yuqing Hu and Jianli Chen

Applied Energy, 2025, vol. 381, issue C, No S0306261924025534

Abstract: Building energy modeling (BEM) refers to computational modeling of building energy use and indoor dynamics. As a critical component in sustainable and resilient building development, BEM is fundamental to support a diverse spectrum of applications, including but not limited to sustainable building design and retrofitting, building resilience analysis, smart building control. Currently, two main approaches, i.e., physics-based and data-driven modeling, exist within BEM. Despite significant advancements of machine learning (ML) and deep learning (DL) algorithms in recent years, several challenges remain to apply these data-driven approaches in BEM, including the necessity of obtaining sufficient and high-quality training data in algorithm development, unreliable and physically infeasible predictions, and limited algorithm interpretability and generality in applications. These contribute to distrust and impede the widespread adoption of these algorithms in BEM practices. To overcome these challenges, this work provides a comprehensive overview of Physics-Informed Machine Learning (PIML), a novel modeling approach that encodes physics principles and useful physical information into cutting-edge ML algorithms. This approach is designed for advanced building energy modeling with enhanced robustness and interpretability. Specifically, existing PIML methods for BEM are summarized and categorized into different paradigms to integrate physics into ML models, including physics-informed inputs, physics-informed loss functions, physics-informed architectural design, and physics-informed ensemble models. The challenges, including the effective integration of prior physical knowledge in modeling and the evaluation of developed PIML methods, in the development of PIML for BEM are then discussed. This review outlines extensive existing research works and future potential research directions to shed light on the broader application of PIML to support BEM practice.

Keywords: Physics-informed machine learning; Building energy modeling; Physics-constraint learning; Physics-embedded algorithm structure (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1016/j.apenergy.2024.125169

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