For all your HVAC and indoor climate control needs

Since 1993, Retrofit Service Company has been one of the leading commercial HVAC installation, service, and building automation specialists in Southern California, providing services for office complexes, retail centers, professional buildings, restaurants, religious facilities, and educational institutions. RSC provides professional service with personal attention. We make even the largest projects run smoothly by acting with integrity, reliability, and competency.

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Protecting your investment with preventative maintenance agreements and 24/7 routine and emergency service by factory-trained, NATE certified technicians.

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Specializing in Title 24 compliant new construction, tenant improvements, and direct unit replacements of rooftop units, VRF and split systems, boilers, and more.

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Offering the right systems at the right price to efficiently manage the efficiency and comfort of your buildings – no matter how simple or complex.

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