OPTIMIZING BUILDING PERFORMANCE: A NOVEL LIFE CYCLE COSTING-BASED MODEL FOR ENERGY EFFICIENT BUILDINGS

Date

2026-02-01

Author

EMEKCİ, ŞEYDA
Tanyer, Ali Murat

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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The imperative for constructing green and sustainable buildings has intensified due to environmental constraints and limited resources. Addressing the complex challenge of energy-efficient building design involves navigating trade-offs between initial investment costs and subsequent operational expenditures. While prior research has explored alternative design options and the dependencies of proposed solutions, inherent limitations in managing the diverse characteristics of off-the-shelf software programs often hinder the attainment of optimal solutions. This article introduces a pioneering approach to the multi-criteria optimization problem through simulations, targeting key constraints in building energy performance and life cycle costs. The methodology integrates a life cycle costing-based model with optimization algorithms, aiming to identify a robust, cost-optimal set of solutions and mitigate limitations in selecting decision variables and objective functions. Tested on a building unit, the developed technique reveals substantial savings of up to 40 percent in operational costs and a remarkable 60 percent reduction in energy consumption per square meter. Furthermore, this optimization approach emerges as an effective tool for achieving cost optimality, facilitating informed decisions in early-stage processes to enhance energy efficiency and yield cost savings throughout the building’s life cycle. The resultant outputs of this tool provide valuable insights for decision-makers within the broader building sector.

Subject Keywords

Cost Optimality, Energy Efficiency, Life Cycle Costing, Optimization

URI

https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=105029773958&origin=inward
https://hdl.handle.net/11511/118650

Collections

Department of Architecture, Article