O.C. McDonald, a trusted mechanical contractor in San Jose, has been serving the Greater Silicon Valley since 1906. With a focus on innovative technology and old-fashioned values, they offer comprehensive design, installation, and service for commercial and residential projects, specializing in HVAC, plumbing, process piping, and building automation systems.
With over a century of experience, O.C. McDonald is known for their expertise in heating and cooling, providing customized solutions for any job. Their team of experienced technicians is available 24/7 to address emergencies with speed and efficiency.
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