CONSTRUCTION DEFECT JOURNAL

"News and Information for Construction Defect and Claims Professionals"

CONSTRUCTION DEFECT JOURNAL - ISSUE 242749 - THURSDAY, OCTOBER 9, 2025

LLMs in Construction: Where They Fail and Where They Shine

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Used wisely, LLMs can accelerate knowledge work; used unwisely, they can produce nonsensical results in areas where precision is critical.

September 30, 2025
Aarni Heiskanen - AEC Business

At the Building 2030 Summer Seminar, doctoral researchers Tuomas Valkonen and Roope Nyqvist from Aalto University shared fresh insights into how Large Language Models (LLMs) like ChatGPT and DeepSeek perform in construction-related tasks.

The results highlight a simple truth: used wisely, LLMs can accelerate knowledge work; used unwisely, they can produce nonsensical results in areas where precision is critical.

HVAC Systems Descriptions with an LLM
Tuomas Valkonen shared his experiences using ChatGPT without any customization as a helper for MEP designers.

Mr. Heiskanen may be contacted at aec-business@aepartners.fi


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