About Us
About Us
Our Vision is to become Southern California's most dynamic full service mechanical and automation contractor, providing sustainable solutions essential to a better, safer, and more efficient environment for our customers and their clients. A firm of experienced Project Managers and top-tier field technicians specializing in a wide range of commercial and industrial HVAC/R services and projects.
Our mission is to create customers for life through exceptional customer satisfaction by implementing safe, innovative, and efficient HVAC solutions and services. We actively promote professionalism and unparalleled quality, by empowering our people to deliver a premier product that adds value and longevity to our customer’s assets.
Our Mission
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Unparalleled Customer Service
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Prompt and Timely Project Completion
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Accountable and Reliable Technical Support
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Unmatched 24/7/365 Emergency Response
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Impeccable Company Safety Record
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Customer Training and Education
What We Do
Diversified Thermal Services, Inc. was founded in 1990 by President and CEO Craig Steinmetz, specializing in the service and construction sectors of the Commercial and Industrial HVAC/R industry. Since 1990, we have extended our reach and expertise by creating and fostering a Building Automation department, making Diversified Thermal a unique all-encompassing mechanical contractor that can provide a turnkey solution for any Commercial HVAC or Industrial Refrigeration project.
Our management team is comprised of the most innovative and mechancial minds in the industry. These skills have been developed through our management staff’s extensive hands-on, in field mechanical experience, giving them the valuable and relevant industry knowledge and insight required to deliver the most effective and efficient solutions to our continually growing customer base. With this expertise in our support staff, we empower our field employees with the tools and knowledge that they need to deliver for our customers. We take pride in the services we offer and will always stand behind our product and our people.
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Diversified Thermal Services has been providing refrigeration maintenance and repairs at my Ice Skating facilities for the past sixteen years. Their employees are very reliable and knowledgeable. The service reports are clear stating the services performed and any possible recommendations needed to keep the equipment running in top condition. If my chillers go down so does my business, therefore I will only entrust my livelihood in the hands of Diversified Thermal Services.
Joe Polonsky
CEO, UTC Ice, Inc.
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I have been working with Dan Bailey and the Automation Department at Diversified Thermal Services for a few years at multiple locations in Southern California and have always received high quality work and outstanding customer service. Diversified has installed new DDC Controls Systems for chiller plants, upgraded exisiting DDC controls, and repaired multiple control systems throughout our portfolio in Southern California. The Automation Team has demonstrated oustanding knowledge of controls and building systems far superior to any other controls vendor I have worked with over the years.
David Schroyer
Abbey Engineering, The Abbey Company
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We at Mission Hospital have been using Diversified Thermal Services exclusively for the past 17 years as our HVAC contractor. Being a full service hospital that runs 24/7 365 days a year, we are prone to breakdowns at all, often inconvenient, hours that require emergency service. Diversified Thermal is a full service company that has always been there for us at these desperate times. They have installed cooling towers, air handlers and package units along with providing exceptional preventative maintenance and service on our chillers. Their staff is always friendly and courteous and their service is prompt and professional. I would highly recommend their services to any company or hospital that requires service on their HVAC equipment.
Joe Ortiz
Assistant Facilities Director, St. Joseph's Healthcare Systems - Mission Hospital
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For several years Diversified Thermal has provided excellent workmanship and prompt responses to the never ending needs of the Long Beach Convention & Entertainment Center. Their scope of works covers installation of new equipment as well as replacement of existing HVAC equipment, and anything from small refrigeration repairs for food service to repairs of the central plants and chiller maintenance. Diversified Thermal comes highly recommended as a refrigeration service company.
Ray Blanton
Director of Facilities, Long Beach Convention and Entertainment Center
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“Since 1992, I have had a great working relationship with Diversified Thermal Services. They quickly figured out the issues that were plaguing our Vapor Recovery Systems. They are not only extremely efficient at the component level but also with the complete systems. They have saved us millions of dollars over the years by implementing a very precise maintenance program. They strive to make sure that our units are always in compliance with all local, state and federal regulations. They have taken ownership and it shows.”
Timmy Lee Pruett
Manager of Projects, Kinder Morgan Energy Partners