AlphaDuct HVAC
AlphaDuct Ductwork Solutions
AlphaDuct HVAC AlphaDuct HVAC
HVAC Facility
Precision Ductwork Manufacturers

High-Quality HVAC Ductwork
Engineered to Australian Standards

AlphaDuct is Australia's premium manufacturer of commercial and industrial HVAC ductwork, delivering AS 4254 certified solutions.

OUR PRODUCT CATALOG

Commercial HVAC Products

Explore our standard and custom-fabricated commercial ductwork products, fittings, and accessories.

Spiral Wound Round Duct

Spiral Wound Round Duct

Mechanically formed spiral lockseam round ducting for superior strength and airtightness.

• Diameter Range: 100mm to 1600mm
• Length: Standard 3m (Custom available)
• Seam Type: Spiral Lockseam
• Material Options: Galvanized / Stainless Steel / Aluminum
Commercial Rectangular Duct

Commercial Rectangular Duct

Galvanized steel rectangular ductwork available in slip-on flange or TDC/TDF transverse joint profiles.

• Material: Galvanized Steel G290
• Joint System: TDF / TDC / Slip-joint
• Standard Compliance: AS 4254.1 Class A-E
• Thickness: 0.6mm to 1.2mm
Volume Control Damper (VCD)

Volume Control Damper (VCD)

Multi-blade volume control dampers for regulating air distribution in rectangular duct systems.

• Blade Type: Opposed / Parallel Aerofoil
• Operation: Manual / Motorized Actuator Ready
• Frame Depth: 120mm
• Material: Extruded Aluminum / Galvanized Steel
WHY ALPHA DUCT

Engineered For Quality

Contractors choose us because we prioritize delivery schedules, manufacturing tolerances, and professional standard compliance.

Automated Production

Advanced computer-guided fabrication systems ensure uniform consistency and fast output capacity for any scale of project.

Vetted Australian Standard

All products are fabricated to strictly satisfy AS 4254, ensuring structural stability, aerodynamic metrics, and safety.

Rapid Dispatch & Delivery

We pride ourselves on meeting contractor schedules. Fast deliveries across Melbourne metropolitan and Victorian regions.

Competitive Pricing

Direct-from-factory rates. Efficient computerized material nesting programs lower structural raw material costs for you.

Vast HVAC Experience

Vetted track record supplying reliable ventilation components for commercial complexes, offices, and clinical isolation zones.

Direct Customer Service

Responsive drafting estimators who can quickly analyze mechanical layouts and return highly accurate, detailed project quotes.

LATEST INSIGHTS

News & Industrial Trends

Keep up to date with modern ductwork manufacturing breakthroughs, standard changes, and Victorian updates.

AlphaDuct Invests in State-of-the-Art Fiber Laser Cutter
June 01, 2026

AlphaDuct Invests in State-of-the-Art Fiber Laser Cutter

To increase production speeds and achieve sub-millimeter precision, AlphaDuct has commissioned a new high-speed CNC fiber laser cutting machine.

Understanding AS 4254 Compliance for HVAC Ductwork
May 24, 2026

Understanding AS 4254 Compliance for HVAC Ductwork

An essential guide to the Australian Standard AS 4254 covering construction requirements, pressure classes, and testing protocols.

GET A QUICK QUOTE

Consult Drafting Center

Do you have architectural layout schematics, Revit models, or detailed parts checklists? Submit details below to receive a detailed fabrication estimate back inside 2 business hours.

Head Office

45 Innovation Way, Dandenong South, VIC 3175, Australia

Hotline Support

1300 257 423

Direct Mobile

+61 488 843 828

Sales Email

sales@alphaduct.com.au

Mon - Fri: 07:00 AM - 04:30 PM (AEST)