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Engineering Services in San Antonio, TX

Are you looking for engineering services in San Antonio, TX or any other nearby town? NRG Engineering is a full-service engineering company specializing in electrical, mechanical, and plumbing consulting. We provide construction documents for various industrial, government, and commercial projects. 

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Engineering Services

If you are looking for qualified and experienced engineers to help you with your project, NRG Engineering is the right company to contact. Our engineering firm was established in 2002 and is well known in the local community for high standards for quality work. Our team consists of engineers, designers, and other staff members who always strive for excellence. The services that we provide include mechanical, electrical and plumbing consulting and design. Our clients include schools, government buildings, training facilities, auto dealerships, and other organizations and institutes. 

Mechanical Engineering 

For over 20 years, NRG engineering has been offering mechanical engineering services. The services that we offer are always tailored to your needs and the mechanical engineering problems that you may have. No matter the industry, timeline, or scope, your project is always our priority. Our mission is to provide every level of mechanical engineering services in order to bring your project to fruition. We serve a wide range of local clients, including government organizations, schools, 
Our mechanical engineering services include:


  • Heating system design

  • Ventilation design, including dedicated outdoor air systems, critical environments, and hazardous environments. 

  • Air conditioning, including direct expansion design, chilled water design, water source design, variable volume systems, and constant volume systems. 

  • Building management systems    

  • Facility management systems    

  • Smoke management systems

One of our most recent projects was the design of the United 9th Grade High School in Laredo, TX. The mechanical engineering services that we provided included the design of the mechanical HVAC system with air cooled chillers and a state-of-the-art building automation system. 

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Plumbing Engineering

At NRG Engineering, we design plumbing systems for various projects that range from large to small. Our experienced and knowledgeable engineers and designers work on plumbing systems to make sure that they are designed and installed properly. Our engineering specialists are able to plan and design a full plumbing system, including the drainage and water systems. This requires us to collaborate with other disciplines to make sure that all the items of the plumbing system are sufficient. 
Our plumbing engineering services include the following:

  • Building sanitary sewing and venting design, including acid waste piping design, grease waste design, gray water and reclaim system design. 

  • Septic system (leach systems and aerobic spray)

  • Building storm water design, including hot water, cold water, tempered water systems, soft water, and reverse osmosis

  • Fuel gas systems, including natural and propane, gas systems

  • Medical gas systems    

  • Fire sprinkles hydraulic calculation analysis. 

One of the recent projects is the project of a new station complex located in Kingsville, TX. The part of the project was the installation of plumbing systems that include sanitary water, domestic water, oil and sand separators. The total budget of the project was over $30,000,000. 

Electrical Engineering 

At NRG Engineering, we also offer a range of quality electrical engineering services for different industries. Our qualified and experienced engineers specialize in electrical designs that keep any project on budget. We always make sure that we focus on the unique needs of every client and take into consideration the aspects of every project. Our professional team of engineers and designers work together to create a sophisticated design that can be implemented efficiently to deliver excellent project performance. 

This is a list of our electrical engineering services:


  • Indoor and outdoor lighting design

  • Motor control center design 

  • Building electrical system design

  • Installation of fire alarm systems    

  • Design and installation of security systems, including CCTV systems, intrusion alarm systems, access control systems   

  • Lighting protection design

  • Installation of back-up power systems, including emergency generators and UPS systems

  • Data and communication systems

One of the recent projects was a new jail facility located in Bandera County. The facility was created to house 96 inmates and included kitchen and laundry facilities, exercise, transport, multipurpose areas, offices for Sheriff's department, an Emergency Operations Center, court rooms, a water pump station, and others. One of the significant parts of the project was the design of the electrical system for the growth of the facility in the future. 

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Need Engineering Services in San Antonio, TX?

If you are looking for quality engineering services in San Antonio, TX, or any other nearby area, NRG Engineering is ready to assist you. We are a full-service plumbing, mechanical, and electrical consulting firm that consists of knowledgeable and qualified engineers and designers with over 50 years of combined professional experience. The services offered by our firm include electrical, mechanical and plumbing consulting and design. We work with a wide range of clients, including government organizations, training facilities, schools, dealerships, and other institutions, businesses, and organizations. We are well known for our excellent customer support, professionalism, reliability, and high standards of excellence. 

If you have any questions, want to know more about our engineering services, or discuss the details of your project, feel free to contact us - we are ready to provide you with the information you need. 

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