Cleanroom Services and Investigation specializes in high-performance controlled environments and advanced air filtration solutions. Based in Santa Clara, California, the company provides critical diagnostic, cleaning, and testing services to ensure pristine indoor air quality and ventilation performance. Their expertise is highly relevant to modern Passive House and high-efficiency buildings, where airtight envelopes demand superior mechanical ventilation and precise environmental monitoring. By focusing on contamination control and particulate elimination, they help maintain healthy, safe, and energy-efficient spaces. Whether optimizing industrial cleanrooms or verifying residential mechanical systems, this team ensures compliance with the highest standards of air quality and ventilation engineering. Their diagnostic approach helps identify system inefficiencies and contamination risks, delivering actionable solutions for optimal building health.