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Service Agreements
At The Tustin Group, we make your mechanical HVAC and process systems our business, offering competitive service agreements to keep your equipment and mechanical processes running in the best, most efficient way possible.
Mobile Technician
Our service technicians use Mobile Technician, an advanced service technology that utilizes wireless tablet devices and integrated WiFi-enabled field service communication systems for real-time communication for all service calls.
Case Studies
Our service capabilities are proven effective when it comes to improving building operations and efficiency. Check out our Case Studies to learn more about how The Tustin Group has supported our customer’s facility needs.
Call The Tustin Group Today!

We are one of the top commercial refrigeration companies in our region because of our close attention to detail and commitment to customer satisfaction. Since we started business in 1992, we have consistently delivered integrated building services that exceed customer expectations and industry standards. Every member of our team practices honest and open communication as well as full delivery on all commitments at all times. Call us at (800) 437-0655 to learn more about our HVAC and other integrated building services.

Our Testimonials
Read What Our Customers are Saying
Tilley Fire Solutions provides exceptional customer support when it comes to working with their clients. Their technicians go above and beyond to accommodate our buildings specific needs. From communication to technical
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When working on a new installation for my facility, Tustin Mechanical Services and Tustin Energy Solutions provided me with the care and attention I expected in my 30 years of industry and facility experience. Their service
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The Tustin Group Is a Rock Star Service Provider. Their attention to detail, communication, and service capabilities are outstanding. They make scheduling my service easy and painless. I would highly recommend their
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Tustin Mechanical has managed and serviced our HVAC system for more than 15 years. During that time we have found Tustin to be a reliable partner providing maintenance, repair and replacement services. Tustin’s design and
Vice President of Operations|Pharmaceutical
Since I have signed my first contract with Tustin some 17 years ago, soliciting bids for our HVAC work has become a thing of the past. Tustin is my first call when we build or acquire another property or simply need to update
Property Manager|Real Estate Developer