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Quality and reliability for all your critical electrical power systems needs


Sterling Oakes offers a full portfolio of services to ensure your power is clean and reliable. We know your operations depend upon reliable power systems and we are ready to assist you.

UPS Installation & Repairs

Sterling Oakes Services can help you with all of your UPS needs.  We can troubleshoot problems on any brand UPS, perform factory trained PM's for APC, Active Power, and others as well as verify proper operation of any brand with testing equipment.  Load banking services are also available for mission critical sites or commissioning.

Battery Monitoring

Perform battery checks and replacements every two years.  Replace fans and capacitors every three years.  Fix non working UPS's and generators.  Cost analysis of repair vs. replace.  Sterling Oakes Services operates a full time repair, calibration and test facility for all types and brands of power supplies.  AC, DC, Switch Mode, Linear, Hybrids, UPS, Power Conditioners and Frequency Converters

Comprehensive Testing

Completely test and accurately measure the reliability, capability and capacity of your entire back-up power system including Uninterruptible Power Supply (UPS), Power Distribution Unit (PDU), Generator, Automatic Transfer Switch (ATS), DC Plants, Distribution, Chargers, Rectifiers and Batteries.

Power Quality Analysis 

The RPM Power Recorder is used exclusively to record the quality and quantity of power at your site to identify power issues and determine the right solution.


We perform site startups, resistive load bank testing, quarterly maintenance, and power quality testing.

Site Inspections

Sterling Oakes can provides pre-installation consulting services specifically tailored to address all of the factors involving long term power reliability.  We can also do regularly scheduled inspections to make sure your facilities are operating properly.



Over ninety percent of our business is derived from repeat customers who entrust us with their critical power systems and are pleased with our commitment, performance, and dedication to quality and reliability.  These are just a few of our clients we have done business with.  



For any inquiries or questions, call: 713-661-9696 or fill out the following form

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Main Offices

21302 Castlemont Lane

Spring, TX 77388

Tel: 713-661-9696

Fax: 866-856-7650


At Sterling Oakes Services, we are committed to providing you with the best customized solutions to meet every aspect of your critical power system needs. 

For over 26 years, Sterling Oakes has been supporting clients from project concept to developing, implementing, maintaining and improving electrical systems.  Our power equipment is always rigorously inspected and tested before recommendation, and all Sterling Oakes field service engineers are factory-trained and certified, ready to provide you with superior service in the building and maintaining of your critical power system.

Our expertise in power solutions achieved by decades of training, hands-on experience and dedication to quality has lead to many satisfied clients.  Most of our business is derived from repeat customers who entrust us with their infrastructure needs ranging from individual equipment to entire sites.

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