Audwin Mechanical specializes in complete mechanical scopes for commercial, institutional, municipal, and multi-family construction projects across Texas.

Our services include full system installation, demo, duct fabrication, equipment setting, controls, start-up, and TAB coordination.

Installation of small to large-tonnage RTUs including:

• 5–50 ton commercial units
   
• Curb and curb adapter installation
   
• Rigging & crane lift planning
   
• Gas piping (if applicable)
   
• Power/controls reconnection
   
• Economizers, CO₂ sensors, and accessories
   
• Start-up & commissioning
   

Complete variable refrigerant flow system solutions:

• Fan coils
   
• Branch selectors
   
• Condensing units
   
• Refrigerant piping
   
• Insulation & line set support
   
• Controls integration (BACnet optional)
   
• Multi-zone & multi-building designs
   
• Leak test, vacuum, charge & start-up
   

In-house fabrication for:

• Spiral duct
   
• Rectangular duct
   
• Ductboard systems
   
• Stainless steel as needed
   
• R6 / R8 insulation
   
• Hangers & supports (SMACNA compliant)
   
• Fire/smoke damper installation
   

All duct delivered ready for quick installation with precise fit-up.

We provide fresh air, exhaust and ventilation solutions including:

• Make-up air units
   
• Dedicated outdoor air systems
   
• Restroom exhaust
   
• Mechanical room exhaust
   
• Inline & rooftop exhaust fans
   
• Smoke evacuation systems (per plans)
   
• Rooftop curbs & structural support coordination
   

Installation of:

• Chilled water hydronics
   
• Hot water supply/return
   
• Pumps & piping accessories
   
• Valves, strainers, gauges
   
• Coil tie-ins
   
• Flush, fill & test
   

• Stand-alone thermostats
   
• BACnet integration
   
• VRF controls
   
• VFDs
   
• Sensor installation
   
• Commissioning & point-to-point testing
   

• Third-party certified TAB
   
• Airflow measurement
   
• Hydronic balancing
   
• Owner/GC closeout reports
   
• Punch-list corrections
   

• Removal of old units
   
• Safe roof drop & haul-off
   
• Equipment disposal
   
• Existing duct modifications
   
• Temporary cooling (if required)
   

• Crane coordination
   
• Rigging plans
   
• Street closure coordination
   
• Lift schedules
   
• Safety supervision
   

For commercial clients:

• Quarterly/annual PM programs
   
• Filter programs
   
• Coil cleaning
   
• Emergency service
   
• Multi-unit property HVAC management