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☰ Explore MDI Consulting Engineers
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Innovative mechanical, electrical, and plumbing engineering design solutions that bring buildings to life!
Recognized in the Arizona Business Journal’s “Top 10 Consulting Engineers”
Since 1985, MDi has partnered with architects, owners, contractors, developers, and public organizations to design efficient, reliable, and sustainable building systems
Years of Experience
Successful Projects
Registered States
Successful Years
Experience. Expertise. Partnership.
Experience. Expertise. Partnership.
Founded in 1985, MDi has developed a reputation for delivering practical, cost-effective engineering solutions while maintaining the responsiveness and personal attention expected from a trusted partner.
Our team combines decades of technical expertise with innovative design practices to support projects from concept through construction completion.
Our Services
Our Services
Mechanical
Mechanical
HVAC design solutions that improve comfort, efficiency, reliability, and long-term building performance
Electrical
Electrical
Safe, efficient electrical systems designed to support today’s technology-driven facilities
Plumbing
Plumbing
Reliable plumbing systems designed for functionality, sustainability, and code compliance
Energy & Sustainability
Energy & Sustainability
Energy modeling, efficiency improvements, and sustainable design strategies
BIM / Revit Design
BIM / Revit Design
Integrated 3D modeling and coordination to improve project delivery
A Proven Partner for Complex Projects
A Proven Partner for Complex Projects
✓ Licensed engineering services across multiple states
✓ Experienced project managers assigned to every project
✓ Strong relationships with architects, contractors, and owners
✓ Commitment to quality, communication, and schedule performance
Solutions Across Multiple Industries
Solutions Across Multiple Industries
From commercial and hospitality facilities to industrial, multifamily, and tenant improvements, MDi provides engineering expertise tailored to each client's mission.
Media
Media
Mechanical Designs, Inc. — a Phoenix-based engineering and design firm — has been recognized in the Arizona Business Journal’s “Top 10 Consulting Engineers” list, reflecting its strong reputation and extensive project portfolio
Attributed to:
✓ Extensive experience in complex mechanical design projects
✓ High-quality deliverables across diverse sectors
✓ Strong client relationships and repeat business
✓ Innovation in design solutions for both commercial and residential markets
Featured in Arizona Business Magazine yearly business ranking poll, “RANKING ARIZONA”, and was ranked #1 in 2007, 2009 & 2011
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