Building science assessment identifies and corrects fundamental issues that cause environmental problems, eliminating the root causes rather than treating symptoms. This approach prevents recurring maintenance costs by ensuring repairs address underlying system failures rather than visible damage alone. Proactive identification of potential failure points allows preventive maintenance that avoids costly emergency repairs and environmental problems. Comprehensive solutions ensure building systems work together properly, improving energy efficiency and reducing operating costs. Long-term building performance optimization protects property values while ensuring occupant health and comfort. This scientific approach transforms buildings from reactive maintenance burdens into properly functioning systems that perform as designed.