We focus on providing services to reduce the impact on our built environment and ensure that our actions benefit communities. We want to give back to our schools, non-profits, and civic organizations. Let us know how we can make your building the best performer for you and your city. We give away a small portion of our services to organizations in need, or unable to hire a specialized engineering firm. 


Matthew Higgins


Matt's passion lies in energy systems design, building controls and sequencing, energy modeling, equipment optimization, and integrated passive design in order to minimize building energy use. He takes great interest in educational and speaking opportunities related to performance design, and continuously strives toward net-zero energy use and increasingly autonomous buildings.


Colin Evans

Principal Mechanical Engineer

Colin is a licensed professional engineer, having completed many energy projects for both LEED and non-LEED buildings. Colin's expertise is in energy audits, mechanical system design, energy modeling, and analysis reporting for healthcare, resort and hospitality, commercial and residential facilities.


Michael Griesel, PE

Senior Electrical Engineer

Michael brings over 25 years of broad experience in Professional Consulting Services for the AE industry. Beyond his Electrical Engineering experience, he has specific interest and concern for the integrated design of MEP-FP-Technology systems, including the holistic approach of intentionally aligning and maintaining the owners' and design team’s goals. He uses these skills and interests to provide superior Project Management, and owner representation. Michael is committed to helping clients understand the technical requirements of a project, logically approaching detailed tasks, defining programming requirements, and collaborating with all involved disciplines to maximize project goals. Experience includes K-12, higher-educational, healthcare, governmental, and general commercial projects.


Rex Stockwell

Senior Mechanical Engineer

Rex is a registered mechanical engineer with over 30 years experience, including successful roles in commissioning, design and engineering, project management, client advocacy, and owner representation. Particular technical expertise in complex HVAC systems. Extensive higher education and healthcare experience. Excellent skills in planning, problem solving, and working with people.


Victoriano Ceballos

Energy Engineer, CEM

Victoriano is a New Mexico resident since childhood and holds a Bachelor of Mechanical Engineering from UNM. As an alumni, he holds strong ties to the community and is committed to helping improve the building stock of his home state. His background in energy efficiency helps improve all facilities, with emphasis in occupant comfort. His main interests lie in all things mechanical; automobiles, motorbikes, HVAC-R systems, aerodynamics, and heat transfer. He was the 2018 President of the NM Association of Energy Engineers.


Theresa Lujan

CAD/BIM Coordinator + Mechanical Designer

Ms. Lujan's passion is to learn about the ever-evolving, various building materials and methods, specifically those related to sustainable living and design, this passion is precisely why she decided to pursue a career in construction & engineering! Theresa, a lifelong New Mexico resident, is currently a UNM engineering student studying Construction Management/Civil Engineering. In 2009, she graduated with honors from CNM with an Associates Degree in Architectural/Engineering Drafting Technology. With over 5 years of industry experience in mechanical and plumbing drafting and design, she takes great pride in working for a firm that understands the importance of conserving Mother Earth.


Joshua Silva

BIM/CAD Technician and Mechanical Designer

Joshua is a technology and software enthusiast. He enjoys building, remodeling, and painting with his grandfather and has done so since he could lift a hammer. Josh’s curiosity and love for learning has recently guided him to interests in mechanical design as well as sustainable methods and design. He began his schooling in the Mechanical Engineering program for New Mexico State, however decided to slightly adjust his path and ended up graduating with honors from Central New Mexico with an Associate’s Degree in Architectural/Engineering Drafting Technology. He is hopeful to leave the Earth better than he has entered it, and feels that Vibrantcy is part of a movement that is on the right track to do just that.


Colton Alexandar

Electrical Engineer

Colton brings over five years of industry experience in electrical design and holds a Bachelors’ degree in Electrical Engineering from University of Colorado - Colorado Springs. He strives to provide cost effective, sustainable and energy efficient designs to directly align with the owner’s needs. Experience includes: K-12, higher education, healthcare, resort and hospitality, government, and general commercial projects. His love for the environment and welfare of the community has led him to Vibrantcy, a company with the same core values.

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Prisila Urbieta

CAD/BIM Technician

Ms. Urbieta was born and raised in New Mexico. She is building up her experience as a drafter after receiving her Associates Degree in Architectural/Engineering and Drafting from CNM. Prisila’s passion for learning and becoming attracted to MEP designs was influenced by her uncles who have worked as Electrical, Mechanical, Structural Engineers & even an Architect in the building industry. As a little girl Prisila would be amused with the buildings her uncles worked on and decided to take a similar path.