MECHANICAL AND PLUMBING CONSULTING ENGINEERS
From campus-wide central plants to small office T.I.’s, our experience in the mechanical and plumbing engineering industry can help you with your next project.
ABOUT US
Johnston Engineering Company has a 30-year history of serving our clients using a personalized service approach while providing accurate, cost-effective engineering system designs and analysis. Our philosophy is to maintain high standards, professionalism, integrity, and ethics while providing creative solutions.
Our mission is to exceed our customer’s expectations and to continue to grow through close client relationships - providing mechanical and plumbing projects for customers as the southwest’s leader in energy efficient, innovative mechanical design solutions that improve safety in schools and workplaces, while providing a great place to work with a long-range plan for growth.
Client testimonials
Here’s what recent clients are saying about Johnston Engineering Company
“Tom Johnston, Johnston Engineering, has demonstrated a model of professionalism, ethical integrity, and pragmatic engineering practices. I have been involved with Tom on a number of projects and utilized Tom on forensic evaluations, resolving issues for the collective interest of all concerned parties. Tom is dedicated to his profession, a creative problem solver and works well in collaborative environment.”
Greg Hesse
Core Construction
“Johnston Engineering is committed to excellence and providing their clients with the highest quality of service. Tom Johnston and his team are the premier innovative and solution driven leaders needed in this industry.”
Chris Walvoord
Phoenix Elementary School District
“Johnston Engineering Company assisted the town with planning, programming, designing, and implementing a new air-cooled chiller replacement. Their talent and expertise were critical in obtaining Town Council approval for the design as well as in the selection and award of a contractor to perform the work. The town was extremely impressed with JEC’s responsiveness to staff inquiries and the positive relationships JEC has formed with the HVAC community.”
Jason Harris
Town of Paradise Valley
