JTEC provides comprehensive mechanical engineering services for commercial and residential projects throughout Jackson, Wyoming, the Rocky Mountain West, California, and Washington. Led by Principal Justin Tatosian, a Licensed Mechanical Engineer in Wyoming, Washington, and California, our team works closely with architects, contractors, developers, and property owners to design efficient, reliable, and sustainable building systems tailored to each project's unique goals.
Mechanical Engineering Services
Successful building systems begin with thoughtful engineering. From initial planning through construction, JTEC delivers practical solutions that balance performance, energy efficiency, occupant comfort, and long-term value. Our experience spans new construction, renovations, tenant improvements, and system upgrades for a wide variety of project types. Our areas of expertise include:
Hydronic systems including radiant heating, snowmelt, domestic hot water, pools, hot tubs, and fan coils.
Geothermal heating and cooling systems
Ground water cooling systems
Solar thermal systems
Radiant cooling systems
Ventilation solutions including whole house ventilation, dehumidification/natatoriums, and heat rejection systems
Light commercial systems including radiant, fan coils, VAV systems, and VRF systems
"I have had the opportunity to be part of the engineering design team with Justin on commercial projects. It is critical from the electrical engineer’s standpoint to have a detailed and comprehensive mechanically engineered set of plans in order to provide a complete and professional set of electrical plans. Justin has proven to provide a professional and comprehensive set of mechanically engineered plans, but has also been a pleasure to work with."
— Marc Subin, Electrical Engineer, Bradley Engineering
"Justin Tatosian has been very responsive to tight schedules on some very complex projects. He has helped our clients with designing both commercial and residential mechanical systems that are efficient and value engineered."
— John Kjos, Ellis Nunn Architects
"We have been thrilled to have had the opportunity to work with Justin on our team. His dedication to the project, professionalism, and sincere enthusiasm for the science of building environments is palpable and inspiring."
— Matthew Byers, PLAAD, LLC
Ready to start your next project?
Partner with JTEC for reliable HVAC engineering and design services tailored to your project.