Commercial Services

Maintaining optimal environmental control across commercial and industrial facilities demands specialized mechanical expertise. Precision Mechanical Solutions, Inc. (PMSI) delivers comprehensive engineering, installation and maintenance across Fresno and the Greater Central Valley. Operating out of our central Fresno facility, our union-certified technicians bring over 160 years of combined experience to safeguard your operational continuity.
From high-capacity commercial air conditioning and heating retrofits to industrial boiler plant overhauls, we manage your facility’s thermal systems with technical rigor. We protect perishable inventory through specialized commercial refrigeration repair, enhance indoor air quality with high-capacity air filtration and streamline building performance using intelligent energy management system (EMS) controls.
When unexpected mechanical failures threaten your operations, our dedicated 24/7 emergency dispatch team responds immediately to restore performance. To eliminate costly downtime, our structured Planned Maintenance agreements provide proactive quarterly care paired with complete labor and parts coverage for maintainable components. Whether modernizing aging infrastructure or optimizing existing units, PMSI provides the honest communication and union craftsmanship your enterprise deserves.