Mechanical & Fabrication.
Self-performing the complete mechanical scope. From rapid retail rollouts to complex chiller plants, we manufacture and install our own systems.
Workforce
Self-Performed
Experience
Division Leadership
Fabrication
Custom Shop
License
AZ ROC #311534
Commercial Packages
Roof Top Units (RTU) and Split Systems for Retail & Office. High-efficiency equipment sized for rapid deployment.
- RTU Installation
- Split Systems
- Retail & Office
Sheet Metal Fabrication
Custom ductwork manufacturing in our Tucson facility. Plasma cutting, coil lines, and precision brakes under one roof.
- Custom Ductwork
- Plasma Cutting
- Same-Day Fab
Restaurant Systems
Type 1 Grease Hoods, Make-Up Air, and Pollution Control Units. Built for QSR rollouts like Firehouse, Starbucks, and national chains.
- Type 1 Hoods
- Make-Up Air
- Pollution Control
VRF / VRV Systems
High-efficiency zoning for Hotels and Multi-Family. Variable refrigerant flow systems that adapt to demand.
- Hotels
- Multi-Family
- Energy Efficiency
Data Center Cooling
CRAC/CRAH units and Liquid Cooling loops. Mission-critical thermal management for server environments.
- CRAC/CRAH
- Liquid Cooling
- Precision HVAC
Chillers & Boilers
Central plant infrastructure for large facilities. Chiller installation, boiler systems, and cooling tower work.
- Chiller Plants
- Boilers
- Cooling Towers
The Manufacturing Edge
We don't wait on third-party fab shops. We own the coil lines, plasma tables, and brakes. When a field conflict happens, we fabricate the solution the same day.
Computerized Plasma
Precision Cutting
Just-In-Time
Field Delivery
Sheet Metal Fabrication
Zero Supply Chain Delays
0
Vendor Delays
Division Leadership
With 40+ years in HVAC, Mike is a definitive authority on system design. He ensures that what we draw in the office is exactly what gets built in the shop.
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HVAC Division Manager
Mike Williamson
EMAIL: innovativedesignandconst@gmail.com
DIRECT: (520) 631-3094
Our fabrication shop and fleet are the backbone of our mechanical division. From computerized cutting to same-day field delivery, we control the entire supply chain.
Plasma Tables
Precision Cutting
Cranes
Unit Hoisting
Coil Lines
Duct Production
Service Fleet
24/7 Response
SMACNA Standards
All fabrication meets or exceeds SMACNA standards for leakage and durability. Our quality control ensures every piece of ductwork performs as designed.
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Commercial HVAC Contractor — Tucson & Arizona
ITDG's Mechanical Division operates under Arizona's CR-39 license with a full roster of W-2 technicians—no labor brokers, no temp crews. Every commercial HVAC contractor Tucson project we take on is self-performed by our own workforce, from equipment setting to start-up and commissioning. Our in-house HVAC capability means a single point of accountability for the entire mechanical scope, backed by SMACNA-compliant sheet metal fabrication produced in our own Tucson shop.
For building owners and general contractors, this translates to zero subcontractor markup on mechanical work, faster installation timelines, and tighter quality control on every piece of ductwork and equipment. Whether the scope is new construction HVAC, system replacements, commercial refrigeration, or building automation, ITDG delivers as a direct-hire mechanical contractor Tucson teams trust for HVAC installation Arizona-wide.
Fabrication-to-Field Advantage
Most mechanical contractors order ductwork from an outside supplier and wait. Our in-house sheet metal fabrication shop manufactures ductwork, fittings, and custom transitions on computerized coil lines and plasma tables—eliminating supplier lead times entirely. HVAC prefabrication in a controlled shop environment means fewer field conflicts, reduced on-site labor hours, and precision that exceeds field-fabricated tolerances.
We serve commercial offices, retail chains, restaurants, data centers, medical facilities, and industrial plants across Arizona. Because ITDG also self-performs electrical and plumbing, our MEP coordination happens internally—none of the finger-pointing or scheduling collisions that plague projects with three separate subcontractors. If you need a commercial HVAC repair Tucson building owners rely on, or statewide HVAC maintenance Arizona coverage, our fabrication-to-field model delivers it faster and under one contract.
Request Mechanical Support
Whether you're an owner, GC, or engineer—our mechanical division is ready to deploy. Get a capability statement or discuss your project scope.
No obligation. We'll scope your project and provide a detailed proposal.
