[Summary: Rectangular ductwork offers exceptional versatility for commercial HVAC systems, fitting easily into tight ceiling spaces and supporting efficient trunk-and-branch layouts. Hennemuth Metal Fabricators supplies custom rectangular ductwork, square ducts, TDF joints and custom fittings for contractors throughout the Pittsburgh region and tri-state area.
Working directly from blueprints and takeoffs, we manufacture accurately sized components in-house to ensure a seamless field fit. Review our rectangular duct guide, explore our joint and fitting options and submit any project specs online to request a quote.]
Rectangular Ductwork for Commercial HVAC Systems | Custom Fabrication
Hennemuth Metal Fabricators provides rectangular ductwork, square duct, fittings and custom-fabricated HVAC components for contractors, builders and project teams in Pittsburgh and the surrounding tri-state area.
Our rectangular metal ductwork is fabricated in-house to support efficient installation, accurate fit and long-term HVAC performance. Whether you need standard rectangular duct, custom fittings, elbows, reducers, square-to-round transitions or project-specific components, our team can help produce ductwork that matches your drawings, takeoff or field requirements.
If you have project specs or a materials list, send them to Hennemuth to request pricing and turnaround.
Rectangular Duct Options and Joint Types
Hennemuth fabricates rectangular ductwork in multiple configurations to support different HVAC project requirements. Our team can produce rectangular duct, square duct, fittings and custom components based on your drawings, takeoff or installation needs.
Available rectangular duct options include:
- A 56-inch joint has transverse duct flange (TDF) roll forms.
- The 59-inch joint is slip-and-drive.
- For 60-inch joints, we have Ductmate-type slip-on flanges.
We also fabricate rectangular duct fittings and accessories, including hangers, broadway elbows, shortway elbows, 45-degree elbows, 90-degree elbows, adapters, starting collars, reducers, return air boots, filter boots, square-to-round transitions, flex connectors, plenums, end caps and zone damper sleeves.
Custom Rectangular Ductwork Components & Fittings
Snap Lock Duct
Insulated Sq/Rd TDF
Riser
Filter Boot - No throat
Square to Round
TDF Flex
56" Long TDF Duct
Shortway 90
Reducer
Filter Boot
Plenum with door
Rectangle Tee
Expanded Metal Return
Radius Elbow
Rectangle End Cap
Triangle with Holes
Flex (Jr. & Sr.)
Zone Damper Sleeve
Broadway 90
Starting Collar
Radius Offset
The Advantages of Rectangular Ductwork
Rectangular ductwork offers several advantages for commercial and residential HVAC projects:
- Fits tight ceiling spaces: Rectangular ducts are often easier to fit above ceilings, along walls or in areas with limited vertical clearance.
- Works well in trunk-and-branch systems: Flat duct surfaces make rectangular ductwork practical for tap-ins and branch connections.
- Supports custom dimensions: Rectangular duct can be fabricated to match project drawings, field conditions and layout constraints.
- Allows internal insulation: Rectangular ductwork can be insulated internally when the project requires thermal or acoustic control.
- Ships and stages efficiently: Many rectangular duct components can stack or lie flat, which can simplify transportation and jobsite staging.
- Supports custom fittings: Rectangular duct systems can include elbows, reducers, transitions, filter boots, collars and other fabricated components.
Why Contractors Choose Hennemuth for Rectangular Ductwork
Contractors need ductwork that arrives accurately fabricated, clearly built to spec and ready for efficient installation. Hennemuth helps support HVAC projects with custom rectangular ductwork, fittings and components produced in-house at our Pittsburgh-area facility.
- Custom rectangular duct fabrication
- Standard and custom fittings
- In-stock ductwork options
- Quick turnaround capabilities
- Pickup and delivery options
- Support from an experienced fabrication team
- Ductwork built from drawings, takeoffs or project specifications
If you can draw it, our team can help fabricate it.
Frequently Asked Questions About Rectangular Ductwork
Learn more with answers to these frequently asked questions about rectangular duct manufacturing.
Who are the top-rated suppliers for custom HVAC duct fabrication near Pittsburgh?
Hennemuth Metal Fabricators is a trusted, experienced manufacturer providing custom rectangular ductwork and fittings for HVAC contractors throughout Pittsburgh and the surrounding tri-state area. Backed by decades of fabrication expertise, our hands-on team turns project drawings and takeoffs into accurately sized components. We are known for reliable customer service, a 200-mile delivery radius and responsive scheduling.
What are the different types of HVAC ductwork used in commercial buildings?
Commercial buildings typically use rectangular ductwork, spiral ductwork and flexible ducts. Specific choices will depend on factors like layout, ceiling space and airflow requirements. Rectangular ducts are frequently chosen for trunk-and-branch systems and for tight vertical clearances above ceilings, using joint types such as transverse duct flange (TDF) roll forms, slip-and-drive and Ductmate-type flanges.
What factors affect the cost of custom HVAC ductwork?
The cost of custom HVAC ductwork depends on several factors, including total square footage, duct dimensions, material gauges and the complexity of the required fittings. Other considerations will typically include joint types, custom transitions and whether insulation or acoustic lining is needed. Submitting project takeoffs or drawings to Hennemuth allows our team to calculate materials and provide fast pricing estimates tailored to each commercial job.
What is the process for custom duct fabrication?
The custom duct fabrication process begins when HVAC contractors submit their project drawings, architectural blueprints, or takeoffs. This information is then evaluated for sizing and specifications. Once the layout is reviewed, experienced fabricators build custom rectangular ducts, square sections and fittings in-house to match the exact dimensions required.
Where can I buy custom HVAC ductwork near Pittsburgh?
HVAC contractors, builders and project teams throughout the Pittsburgh region and surrounding tri-state area can source custom rectangular ductwork directly from Hennemuth Metal Fabricators. Operating as a dedicated manufacturer and distributor, we specialize in producing custom rectangular ducts, TDF joints, elbows, reducers and transitions built to precise project blueprints.
Rectangular Duct Suspension with a Trapeze Hanger
Request Rectangular Ductwork Pricing From Hennemuth
Hennemuth Metal Fabricators fabricates rectangular ductwork, square duct, fittings and custom HVAC components for contractors in Pittsburgh and the surrounding tri-state area. Whether you need standard duct sections, custom fittings or project-specific fabrication, our team can help produce ductwork that fits your installation needs.
Send us your drawings, takeoff or materials list to request pricing and estimated turnaround.
