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Your Trusted Engineering Partner in Phoenix
At ASEI Engineering, we operate as a consulting engineering firm deeply committed to hands-on involvement in every project. Our approach emphasizes collaboration with clients through all phases of development, from initial planning to on-site execution. We prioritize practical solutions that balance budget constraints with technical precision, ensuring minimal change orders through meticulous design. Our team actively engages in community service initiatives, reflecting our belief that engineering excellence should extend beyond technical expertise to positively impact society. With licenses across multiple states, we serve diverse sectors including commercial, residential, and institutional projects. Our leadership team brings decades of combined experience in mechanical, electrical, plumbing, and telecommunications engineering.

We maintain a client-centric philosophy, focusing on educating stakeholders about building systems to enable informed decision-making. Our culture embraces innovation while maintaining a down-to-earth approach, as evidenced by our team's active participation in construction activities alongside clients. We measure success not only through project completion but also through the relationships we build and the positive influence we exert on both our clients and the broader community. This holistic approach has defined our practice since our founding, establishing us as trusted partners in the engineering industry.
Services
Mechanical Engineering Electrical Engineering Plumbing Engineering Telecom Engineering Commercial Projects
Highlights and features
  • We combine engineering expertise with hands-on project involvement
  • Our team holds licenses in multiple states for nationwide service
  • We maintain a proven track record of accurate, budget-conscious designs
  • Our engineers have decades of combined experience in all major disciplines
  • We prioritize client education to enable informed building decisions
Services
Mechanical Engineering
Our mechanical engineering services encompass complete HVAC system design for commercial and residential buildings. We specialize in creating energy-efficient climate control solutions that meet precise comfort requirements while maintaining budget constraints. Our engineers utilize advanced modeling software to optimize system performance and ensure seamless integration with building infrastructure.
Electrical Engineering
We provide comprehensive electrical engineering solutions for building power distribution systems. Our expertise includes designing electrical infrastructure for commercial developments, institutional facilities, and residential complexes. Our team ensures all systems meet current safety standards while optimizing energy efficiency and future scalability for evolving technological needs.
Plumbing Engineering
Our plumbing engineering services cover complete water distribution and waste management systems for various building types. We design efficient plumbing layouts that comply with local codes while maximizing water conservation. Our solutions integrate modern fixture technologies with traditional piping systems to ensure reliable performance and reduced maintenance requirements.
Telecom Engineering
We specialize in telecommunications infrastructure design for commercial and institutional buildings. Our services include structured cabling systems, data center layouts, and wireless network planning. We ensure robust connectivity solutions that support current and future communication technologies while maintaining seamless integration with other building systems.
Commercial Projects
Our commercial engineering expertise spans retail centers, office buildings, and mixed-use developments. We provide tailored engineering solutions that address specific project requirements while maintaining cost-effectiveness. Our experience includes designing systems that accommodate high-traffic environments and complex tenant improvement scenarios across various commercial property types.
People
Scott Weesner
President / Owner
Scott leads ASEI Engineering with a vision for combining technical excellence with community impact. He actively participates in project execution while guiding the firm's strategic direction.
David Martin
Vice President of Operations
David oversees daily operations and project management, ensuring efficient delivery of engineering services across all project phases from concept to completion.
Eric Voss
Regional Director, Houston
Eric manages our Houston operations, bringing extensive regional expertise to commercial projects while maintaining alignment with the firm's quality standards.
David McCarthy
Principal Mechanical Engineer
David specializes in mechanical systems design, applying his technical expertise to develop innovative HVAC solutions for complex building environments.
Scott Allred
Principal Electrical Engineer
Scott leads electrical engineering efforts, ensuring code-compliant, energy-efficient power systems that meet the evolving needs of modern buildings.
Questions
What engineering disciplines does ASEI offer?
We provide mechanical, electrical, plumbing, and telecommunications engineering services for commercial and residential projects.
Do you work on national projects?
Yes, we hold licenses in multiple states and have completed projects across the United States.
How do you ensure project accuracy?
Our hands-on approach includes on-site verification and detailed design reviews to minimize change orders during construction.
What commercial sectors do you serve?
We work with retail centers, office buildings, restaurants, storage facilities, and mixed-use developments.
How do you support client decision-making?
We educate clients about building systems and provide technical guidance to help make informed investment decisions.
Do you participate in community initiatives?
Yes, we actively support organizations like Feed My Starving Children through volunteer programs and fundraising efforts.