​​​Firm Capabilities


  • HVAC Engineering                              
  • Electrical Engineering
  • Plumbing Engineering                      
  • Medical Gas Systems                        
  • Fire Alarm Systems and Special Systems            
  • Lighting Design                                  
  • Solar Systems Design                       
  • Metering and Advanced Metering
  • Cost Estimation/Life Cycle Costing


Design Philosophy:


We believe that the effective integration of engineered systems into Architecture involves a complimentary approach to suit the aesthetic purpose and the functional needs of a project. The engineering should add value and moderate the use of financial and natural resources in the most practical way possible. The design needs to balance all of the factors involved.


There isn't a singular way to approach all design projects; to choose a prescriptive approach on a wholesale basis means that any given project doesn't achieve our client's goals and may be over-engineered or under-performing. That's too easy of an approach when your project depends on multiple factors. 


Our Background


J A Mills began it's operations in July of 2013 in order to provide electrical, mechanical and plumbing engineering services. The firm is incorporated in the State of Texas and is located in San Antonio. J A Mills provides MEP services in multiple markets including Healthcare, Commercial, Government, Retail, Hospitality, Venues, Transportation, Industrial, Critical Infrastructure and others.


Our small but growing firm's current portfolio includes a broad range of local and nationwide projects anchored by a Healthcare, Industrial and Commercial Specialization

Our Culture


We strive to maintain a culture of continuous learning, enrichment and empowerment. We believe that Senior Leadership should lead through mentorship; that Junior leaders lead through new ideas and engagement. While check-listing can be a quantitative support tool, quality comes from a solid understanding behind engineering decisions. We foster better engineering by encouraging and supporting new work methods such as hoteling, teaming and work-from-home. We can be differentiated by many factors but most certainly by the strength of our commitment to your project goals. Ultimately, we understand that we don't meet our goals if we don't meet yours.

  • Due Diligence Studies
  • Feasibility Studies
  • Building Performance Modeling
  • Power Systems Analysis
  • Lightning Protection and Grounding
  • Master Planning
  • Design Build and Construction Support
  • Construction Administration and Management/Inspection


JA Mills Engineering, Inc © 2013-2019

J A Mills Engineering, Inc.