Advanced Systems Services, Inc. is a family-owned and operated business specializing in the service and maintenance of mechanical systems in mobile and commercial environments.  

 

Since 1990, we have supported clients with dependable HVAC, chiller, trailer, and power systems maintenance and repair services. Our services include commercial HVAC and chiller services, mobile medical and broadcast trailer services, and scheduled maintenance and repairs of mechanical systems and equipment.

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We serve the following clientele:

• Mobile medical diagnostic units

• Mobile television production and broadcast trailers

• Commercial facilities and specialty mobile equipment operators

• Mobile police, fire, municipal command, and control units

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We hold an HVAC C20 California Contractors License #792602. Our offices and service center are located in Upland, California, from where we operate a fleet of fully equipped field service vehicles to provide on-demand emergency services across the state, including after-hours and weekend service.

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Call (909) 949-9944 or get in touch to learn more.