JTEC, INC. | Engineering & Consulting Services

JTEC has extensive experience in HVAC system design for both commercial and residential facilities in Jackson, Wyoming and throughout the Rocky Mountain West, California, and Washington. Principal Justin Tatosian is a Licensed Mechanical Engineer in the states of Wyoming, Washington, and California.

HVAC Systems Design

A properly designed HVAC system not only affects the comfort of those who will inhabit it, but also their health and the integrity of the building. We use the latest technology and best practices to design systems that are efficient, functional, and sustainable, based on your needs. We can work with you to meet your needs to design a mechanical system and planning with efficiency and sustainability in mind for the following:


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

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