What Our Clients Say

UMI Service has been terrific with a focus on customer service and response time.
Jay Momet
Director of Real Estate and Facilities


On behalf of Webcor Builders and the entire project team at The Infinity Towers Project, we would like to thank United Mechanical Inc. for helping us deliver another successful project to San Francisco.
Thomas Soohoo
Corporate Small Business Manager


It has been a pleasure to work with you (UMI) and I hold you in the highest regard.
Clint Simpson
Senior Superintendent

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HVAC Construction

The right HVAC system protects your investment and keeps your environment comfortable. UMI offers a full spectrum of options to fit any requirement. From piping and ductwork to air and water balance, assessing an existing system or creating a new one from the ground up, UMI delivers solutions that are energy efficient and environmentally friendly.

United Mechanical's service construction group installs most any type of controls for commercial HVAC applications. We commission new equipment to assure they are operating at peak operation and efficiency. UMI re-commissions old equipment and provides survey information of what is required to bring it up to reliable and efficient operation. We provide onsite training and turn-over of new systems to end users after completion of projects to ensure our customers have knowledge of their new systems. UMI provides service to troubleshoot & repair all of our new systems installations.

Design Build

United Mechanical is a fully equipped design-build contractor with the experience to take your project from conception to completion. Our on-staff professional engineers have industry specific experience as well as the knowledge needed to design and implement new technologies and systems that are guaranteed to accelerate your schedule and reduce your immediate and long term costs. This includes minimizing all operating costs associated with energy consumption, maintainability and access for repair. We always have your maintenance staff in mind.

Our primary goal is to make your project a success. UMI's design-build projects are customized to your HVAC requirements, budget, schedule, and long-term operational needs to produce exactly what you ask for: no more, no less. Contact us today and we can start the process by identifying your needs.

Our Design-Build customers include: Apple, Network Appliance, Juniper Networks and many more

Test & Balance

United Mechanical offers experienced professional service that can be performed on new construction and existing buildings. We have over 20 years of experience in Test & Balance. UMI is certified by the National Environmental Balancing Bureau (NEBB) certification #3327 and the Testing, Adjusting & Balancing Bureau (TABB) certification # BB104002S. UMI currently holds certifications for Air and Hydronic systems. The type of service offered includes a partial or complete building balance. A survey of the buildings HVAC system would include measured air, water and temperature readings, with CAD drawings which show the current construction of the HVAC system. We also offer annual or biannual service work to be done on existing Fume and Biological Hoods.