A Comparative Approach on Predicting Energy Consumption in HVAC Systems Using Boosting Algorithms
DOI:
https://doi.org/10.13052/spee1048-5236.4437Keywords:
Energy usage prediction, HVAC systems, XGBoost, CatBoost, SSA, GOA, FBIOAbstract
Boosting the precision of energy usage prediction in Heating, Ventilation, and Air Conditioning (HVAC) systems is essential in elevating energy efficiency and lowering operating expenses in contemporary building environments. This study introduces a suite of hybrid predictive schemes that integrate advanced machine learning (ML) tactics – Extreme Gradient Boosting (XGBoost) and Categorical Boosting (CatBoost) – with state-of-the-art metaheuristic optimization algorithms, namely the Salp Swarm Algorithm (SSA), Grasshopper Optimization Algorithm (GOA), and Forensic-Based Investigation Optimization (FBIO). Leveraging a high-resolution database obtained from a commercial building in Turin, Italy, six blended schemes were developed and rigorously examined utilizing a comprehensive set of statistical performance indicators, including R2, RMSE, MAPE, MBE, RAE, and VAF, along with convergence rate and runtime analysis. Among the proposed schemes, the XGBoost-SSA hybrid consistently outperformed its counterparts, achieving superior predictive accuracy (R2 = 0.91), the highest variance accounted for (VAF = 91.35%), and reduced computational time (6.20 s). The outcomes demonstrate that incorporating SSA into XGBoost significantly enhances model robustness, convergence behavior, and generalization capability. These findings underscore the potential of the recommended hybrid modeling framework as a robust decision-support tool for intelligent energy management in building systems and offer promising directions for future research in energy analytics and smart infrastructure design.
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