Trusted Commercial Mechanical Engineering in California


At Therma, our HVAC technicians, plumbers, and engineers are highly trained to design, install, and maintain the building systems that keep your business running without interruption.

Our commercial sector services—like engineering and installing building automations—help increase efficiency and lower utility costs, and our Test, Adjust and Balance techs make sure that your mechanical equipment and systems are at peak performance.

Whether you’re working on a new design-build project, upgrades, or tenant improvement–or you’re looking for ongoing preventative maintenance–Therma can help. We not only address any HVAC and plumbing challenges, we also make sure your building is compliant and up-to-date on all backflow certifications.

Our work is always conducted by Therma’s in-house engineers and technicians. We get the job done right—while being faster, more efficient, and at a lower price than the competition. 

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    What We Do

    • Commercial & Retail Mechanical Construction
    • Design-Builds
    • HVAC & Service
    • Industrial Controls
    • Test, Adjust and Balance (TAB)
    • Energy Services
    • Plumbing & Service
    • Engineering
    • Architectural Sheet Metal
    • Building Automation

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    You’re In Good Company


    At Therma, we’ve collaborated and partnered with some of the biggest names in commercial and retail, including Colliers International, Jones Lang Lasalle (JLL), Eurest Services, Orchard Commercial, and CBRE.

    These renowned companies rely on Therma for their engineering and maintenance solutions, with trusted relationships that have been established over years of quality service. You can be confident that we deliver to every client the quality we’ve built our reputation on.

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    More Than a Handyman


    Therma is committed to providing the ultimate in mechanical engineering solutions and services to commercial and retail spaces. Our technicians are industry leaders in delivering reliable and consistent designs, construction, fabrication, and testing that stays on the front-edge of innovation, without interrupting the flow of business in occupied spaces.

    Since our founding, we’ve focused on customer service and commercial maintenance. Our customer care is unrivaled, as is our goal to deliver quality solutions to every client, every time. That’s why, when you’re looking for comprehensive facility support–not just a commercial “handyman” service–you can count on Therma. We’re California’s number-one commercial-sector mechanical solutions provider, including systems design and construction, property maintenance, and facility repairs.