Who We Are

Since 1993, Retrofit Service Company has been one of the leading commercial HVAC installation, service, and building automation specialists in Southern California, providing services to thousands of office complexes, retail centers, professional buildings, restaurants, churches and other 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.

photo who we areWe Make Your Building Work

We are one of the leading HVAC installation, service, and building automation providers in Southern California … offering our clients the size, strength, and stability to handle large projects, combined with flexibility, best-in-class service, and a commitment to communication that delivers real peace of mind. With clients ranging from global companies to small building owners, we work hard to earn your trust, deliver value, and increase the efficiency of your equipment and systems.

RSC AboutUs WhatWeDoWhat We Do

RSC offers a full range of HVAC system design and engineering for new construction or replacement systems. We provide industry-leading maintenance and service options including regular system maintenance, service agreements, system upgrades, ongoing staff training, and remote monitoring. Plus, our advanced energy management systems automate the energy, comfort, and security needs of your building.

photo how we do itHow We Do It

We employ the most highly qualified and trained staff in the industry. We employ only manufacturer-certified programmers and technicians. All of our sales staff and technicians have multiple manufacturer certifications and are up-to-date with the latest technology. Our best-in-class service sets the standard for our industry, with service specialists and technicians available on call 24/7.

Our Associations

We are proud of our association with the leaders in our industry.

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