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Preventive Mechanical Maintenance and HVAC Service in Irvine, CA


Therma has been providing innovative, facility-specific mechanical solutions across Southern California since 1960.


Mechanical Infrastructure Engineering & Maintenance in Irvine, CA

Accurate diagnosis and fast, precise repair is the hallmark of our service teams at Therma. Your mechanical infrastructure is critical to the performance of your building and our technicians tackle your issues with innovative but pragmatic solutions to get your facilities and systems working to peak performance.

We understand the critical relationship between supporting a mechanical infrastructure to sustain a comfortable working environment and process application, whilst controlling costs, managing energy consumption and achieving highest operational performance.

If you are seeking industry leading mechanical solutions with unmatched customer service, then contact Therma today-  Irvine’s leading HVAC service and mechanical construction company.



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Rooftop HVAC Systems

What We Do


Energy Services


Test, Adjust and Balance (TAB)


Heating, Ventilation and Air Conditioning (HVAC)


Plumbing & Service


Fabrication and Engineering


Reactive Repairs and Preventative Maintenance


Architectural Sheet Metal


Building Automation


Infrastructure Management

Who Do We Cater To?

Our Preventive Maintenance Services