MEP Engineering Design and HVAC and Plumbing Systems Design.
Zona Technical Engineering, PLLC is a full-service MEP consulting engineering firm headquartered in Tucson, Arizona. Founded in 2022 by Principal Mechanical Engineer Dave Tyrrell and Principal Electrical Engineer Alec Zimmermann, it provides in-depth Mechanical, Electrical, and Plumbing design services for commercial new construction and renovation projects across Arizona and the Southwest. Services include HVAC and plumbing systems design, electrical design, arc flash studies, fire protection system design criteria, and construction administration, all produced in-house using Revit and BIM. It has served healthcare facilities, university campus buildings, government courthouses, research laboratories, manufacturing facilities, hospitality venues, and mixed-use residential projects throughout the Tucson metropolitan area.
Dave TyrrellPrincipal Mechanical Engineer
Alec ZimmermannPrincipal Electrical Engineer
Full-service mechanical, electrical, and plumbing design for commercial new construction and renovation projects, coordinated in-house.
Heating, ventilation, cooling, exhaust, gas, potable water, sanitary, sewer, and specialty mechanical/plumbing systems design.
Electrical power and lighting floor plans, one-lines, load calculations, photometrics, electrical distribution sizing, and energy code compliance.
Fire suppression and fire protection system design criteria.
Production of BIM-coordinated construction documents using Revit.
Bidding, negotiation, and construction administration support for MEP projects.
Medium voltage system design including transformer specification, switching cabinets, and medium voltage cable for utility power projects.
Healthcare · Education · Government · Research Facilities · Hospitality · Manufacturing · Commercial · Multifamily Residential
Tucson, Arizona · Education · Client: University of Arizona
Heavy renovation of 10,000 sq. ft. of existing administrative offices, meeting spaces, food service areas, and computer labs on the University of Arizona campus. Full MEP design including mechanical, electrical, plumbing, and fire protection. $1.1M construction budget.
Tucson, Arizona · Laboratories · Client: Eurofins CellTx
Renovation of approximately 12,959 sq. ft. of shell space for Eurofins CellTx, designed for critical testing support for cell and gene therapy-based products. 75% analytical lab space and 25% warehouse and office support. Full MEP design and construction administration.
Tucson, Arizona · Healthcare · Client: Banner University Medical Center
Refresh of two existing patient units in Tower 4, approximately 20,700 sq. ft. total. Upgrades to patient rooms, nurse stations, and staff support rooms. Full MEP design services.
Tucson, Arizona · Manufacturing · Client: nVent
New construction of 31,730 sq. ft. headquarters for nVent, a manufacturer of linear motion slides and power distribution products for IT, data center, and consumer appliance sectors. Includes administrative offices and production facility. $1.8M construction budget.