Mann Mechanical

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About Mann Mechanical
Mann Mechanical operates from a single Decatur location at 5370 Truman Drive, serving that city plus Archdale, North Carolina, as a certified WBE specialty contractor. The firm brings four-point-six stars compiled across eleven reviews, with Julie Mann at the helm as chief executive. This crew handles HVAC, process, and plumbing systems across institutional markets that include mission-critical facilities, life sciences research environments, higher education campuses, and industrial complexes. Office hours run Monday through Friday from seven-thirty in the morning until five in the afternoon, closing on weekends.
What separates Mann Mechanical from commodity contractors is the combination of WBE certification through the Women Business Enterprise National Council and genuine in-house fabrication capacity. The firm pairs cutting-edge Building Information Modeling technology with hands-on sheet-metal fabrication, allowing seamless coordination from design through installation. Preconstruction services help clients nail down scope and budgets before a single piece of ductwork gets ordered. A documented safety culture supports this technical depth, creating an integrated offering for complex institutional builds rather than simple replacement work.
Across the eleven reviews Ben Campbell called out customer service and finished quality as deserving of five stars, and Hiram Facundo summed up the crew as the best on HVAC without reservation. Those endorsements align with the firms stated expertise in specialized markets where installation standards run unusually strict. Negative feedback in the dataset traced to a road-incident involving a company driver, a matter unrelated to service delivery on actual job sites.
What Customers Say
Ben Campbell and Hiram Facundo both awarded five stars, with Campbell specifically creditng customer service and quality as the basis for that rating. The single low review in the dataset describes a road-incident by a company driver unrelated to HVAC service delivery. Overall sentiment across the eleven reviewers skews strongly positive toward finished quality and professional conduct.
Working Hours
| Sunday | Closed |
| Monday | 7:30 AM–5 PM |
| TuesdayToday | 7:30 AM–5 PM |
| Wednesday | 7:30 AM–5 PM |
| Thursday | 7:30 AM–5 PM |
| Friday | 7:30 AM–5 PM |
| Saturday | Closed |
Services
HVAC System Installation
Design and installation of heating, ventilation, and air conditioning systems tailored to institutional and mission-critical environments.
Process Piping Systems
Specialty piping infrastructure for industrial and research applications requiring precise fluid-handling pathways.
Plumbing System Construction
Plumbing rough-in and finish work for complex commercial and institutional buildings across served markets.
Building Information Modeling
Three-dimensional coordination modeling that integrates mechanical, process, and plumbing systems before field installation.
In-House Fabrication
Sheet-metal and specialty fabrication performed on-site to control tolerances, reduce lead times, and support complex geometry.
Preconstruction Services
Early-stage scope definition, technical coordination, and budget development to de-risk complex institutional projects.
Twenty-Four-Hour Emergency Response
After-hours emergency service capability for critical systems serving facilities that cannot tolerate downtime.