Ever feel overwhelmed trying to choose the best spiral ductwork supplier for your project? You’re not alone—one wrong move can mean headaches with delays, poor-quality products, and extra costs. But what if you could confidently pick from the top manufacturers, knowing you’re getting the best quality, reliability, and value? We’ve done the research for you! Read on to discover the leading spiral ductwork suppliers—and make your next project smoother than ever.

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Spiral Pipe and HVAC Duct Manufacturers | HVAC Spiral Pipe Supplier

Product Details:
Spiral Manufacturing specializes in manufacturing spiral pipe and HVAC duct products, including high and low pressure galvanized pipe systems, underground PVS pipe, rectangular ducting, elbows, tees, laterals, reducers, insulated pipes, fittings, couplings, hoods, flanges, sealants, installation accessories, and dust collection system components.

Technical Parameters:
– High and low pressure galvanized pipe options
– Single wall and dual wall insulated spiral pipe available
– Various fittings and accessories such as elbows (30°, 45°, 90°), tees, reducers
– Underground vinyl coated pipe systems and installation guidelines

Application Scenarios:
– Commercial and industrial HVAC air distribution systems
– Dust collection systems
– Industrial ventilation systems
– Underground ductwork applications

Pros:
– Comprehensive selection of duct types and accessories for versatile HVAC
– Availability of both high and low pressure systems to suit different needs
– Insulated options improve energy efficiency and reduce condensation
– Specialty products for underground installations and dust collection systems

Cons:
– No detailed specifications (e.g., pressure ratings, sizing, materials beyond
– Potential installation complexity due to wide variety of components
– Actual performance and compatibility details require reference to specific

HVAC Spiral Duct Pipe & Fittings | Sheet Metal Connectors

Product Details:
Sheet Metal Connectors, Inc. (SMC) manufactures commercial and industrial HVAC spiral pipes and duct fittings formed from coils of metal into rigid steel tubes with a 4-ply spiral lockseam. Products include single-wall spiral pipes, duct fittings, and various connectors such as Complete Seal, E-Z Flange with Barrel Clamp, E-Z Flange Jr., Standard Spiral Pipe Connector, and Companion Angle Rings. Fittings include elbows, tees, crosses, reducers, and diffusers for HVAC ductwork.

Technical Parameters:
– Spiral pipe sections feature 4-ply spiral lockseam with smooth interior for low
– Pipe resistance to crushing is approximately 2.5 times that of longitudinal
– Complete Seal fittings (6”–24” diameter) made of galvanized steel (ASTM A-653)
– E-Z Flange Jr.: 6”–24” diameter; E-Z Flange: 26”–96” diameter; Companion Angle

Application Scenarios:
– Commercial HVAC ductwork installation.
– Industrial ventilation and exhaust systems.
– Applications requiring airtight duct connections with low friction loss.

Pros:
– High rigidity and crush resistance compared to standard pipe types.
– Virtually airtight connections available with Complete Seal or flange options.
– Wide range of sizes and configurable seam/joint options for various
– Factory-installed or field-installable connection systems for flexibility and

Cons:
– Complete Seal fittings currently available only in galvanized (not stainless or
– Some specialized connectors or materials may require calling the factory for
– Field cuts and assembly may require additional components (e.g., flanged

Spiral Ductwork for Commercial Ducting Systems – HVACDirect.com

Product Details:
Spiral ductwork for commercial ducting systems offered for sale by HVACDirect.com. The page is part of the company’s ventilation and ductwork products lineup, likely focusing on durable and high-quality ducts suitable for various HVAC installations. There is a promotion on large orders (over $2,000) with unadvertised discounts visible in cart.

Application Scenarios:
– Commercial HVAC ducting installations
– Industrial ventilation projects
– Large-scale HVAC system retrofits
– Projects requiring durable, easily installed ductwork

Pros:
– Discounts available on high-value orders (over $2,000)
– Designed for commercial use, indicating durability and suitability for
– Available for purchase online with support provided via phone

Cons:
– Technical specifications and sizing information are not clearly listed on the
– Discount pricing requires adding products to cart or contacting by phone,

Spiral Ductwork – McMaster-Carr

Product Details:
Crush-resistant spiral ductwork and fittings, available in galvanized steel, PVC-coated steel, and 304 stainless steel; includes duct lengths and various angle elbow connectors for air handling applications. Fittings feature male ends for press-fit connections to the duct.

Technical Parameters:
– Duct sizes range from 3″ to 24″ in diameter
– Materials: Galvanized steel (good corrosion resistance), PVC-coated steel
– Gauge thicknesses include 26, 24, 22, and 20 gauge depending on duct size and
– Product types: Straight ducts (in 2 ft. and 5 ft. lengths), 45° and 90° elbow

Application Scenarios:
– Commercial or industrial air duct/ventilation installations
– Environments requiring durable, rigid ductwork (e.g., factories, warehouses)
– Projects needing high corrosion resistance (using PVC-coated or stainless steel
– Applications seeking reduced noise with optional noise reducers

Pros:
– High strength and rigidity due to spiral seam construction
– Multiple corrosion-resistant material options including PVC-coated and
– Wide range of sizes and fittings allow flexible system design
– Noise can be reduced by up to 50% with optional accessories

Cons:
– Higher cost for PVC-coated and especially for 304 stainless steel options
– Some sizes and materials are unavailable for larger diameters or may have

Spiral Duct Pipe – Ferguson

Product Details:
Spiral duct pipe for air distribution and HVAC applications. Available under the Heating & Cooling > Air Distribution > Sheet Metal Duct Pipe & Fittings > Duct Pipe category.

Technical Parameters:
– Spiral shape duct pipe
– Sheet metal construction

Application Scenarios:
– Heating, ventilation, and air conditioning (HVAC) systems
– Commercial and residential air distribution

Pros:
– Strong and durable construction
– Suitable for a variety of HVAC air distribution needs

Spiral Pipe and Fittings | Baker Distributing | Baker Distributing

Product Details:
Spiral pipe and fittings offered by Baker Distributing are part of their HVAC ducting and sheet metal supply category, intended for air distribution in residential and commercial heating, ventilation, and air conditioning (HVAC) systems.

Application Scenarios:
– Air distribution systems in residential HVAC installations
– Ductwork in commercial heating and cooling projects
– Sheet metal fabrication and ducting applications for ventilation

Pros:
– Suitable for both residential and commercial HVAC ductwork
– Available as part of a full range of ducting and sheet metal supplies
– Offered by a distributor with multiple brands and competitive pricing

Cons:
– Detailed product specifications and sizing are not provided on the page
– Ordering may be restricted if your company account is blocked

Spiral Ductwork – AGI Fabricators

Spiral Pipe and Fittings | Ductwork Fabrication | Sheet Metal …

Product Details:
Ducts and Cleats offers a comprehensive range of spiral ductwork and spiral duct fittings manufactured from galvanized, stainless steel, or aluminum. Products include elbows, reducers, wyes, saddle taps, end caps, and various other connectors and components for HVAC systems.

Technical Parameters:
– Available in multiple diameters, commonly ranging from 3 inches to 60 inches.
– Manufactured from galvanized steel, stainless steel, or aluminum.
– Spiral ducts and fittings meet SMACNA standards for fabrication and performance.
– Custom fabrication options for non-standard sizes or configurations.

Application Scenarios:
– Commercial and industrial HVAC ductwork installations.
– Exhaust and ventilation systems in large buildings.
– Clean rooms, laboratories, and facilities requiring controlled air flow.

Pros:
– Spiral design offers increased rigidity and reduced leakage compared to
– Available in a wide variety of diameters and materials to suit specific project
– Custom fabrication available for unique installation requirements.
– Products designed and fabricated to recognized industry standards (SMACNA).

Cons:
– May require specialized tools or equipment for onsite installation.
– Potentially higher initial material cost compared to rectangular ductwork in

HOME | Spiral Products

Product Details:
Sheet metal fabrication specializing in spiral duct for HVAC industry, with additional offerings of rectangular duct for smaller commercial and residential projects. Products include galvanized single wall spiral duct (4″–24″ diameters) and various fittings.

Technical Parameters:
– Duct fabricated to meet SMACNA 2005 HVAC Duct Construction Standards
– Galvanized single wall spiral duct in diameters from 4” to 24”
– Custom ductwork available per customer specifications

Application Scenarios:
– Commercial HVAC ductwork installations
– Residential ductwork projects
– Projects requiring quick turnaround or custom sizing outside standard offerings

Pros:
– Majority of products made in-house enabling fast turnaround times
– Large inventory stocked with thousands of feet and hundreds of fittings
– Capability to deliver beyond central North Carolina using in-house or private
– Ductwork can be customized to meet specific project specifications

Cons:
– Rectangular duct offerings are intended for smaller projects
– Main physical service area is limited to central North Carolina (shipping to

HVAC Sheet Metal Duct Connectors | Spiral Ductwork Suppliers

Product Details:
Sheet Metal Connectors, Inc. (SMC) fabricates premium quality custom and standard commercial HVAC sheet metal products, including spiral pipe, duct fittings, rectangular, flat oval and polyvinyl (PVS) ducts, dampers, louvers, and the Complete Seal system now available in paint grip material. Products are manufactured in the USA and supplied to contractors and fabricators.

Technical Parameters:
– Available materials: galvanized, G-90 galvanized, paint grip, aluminum,
– Airtight Complete Seal system to reduce leakage and improve HVAC efficiency
– Products include spiral pipe, doublewall duct, square duct, dieform elbows,
– Union shop with made-in-the-USA manufacturing in Minneapolis, MN and Rockford,

Application Scenarios:
– Commercial and industrial HVAC systems
– Exposed ductwork applications requiring aesthetically pleasing finishes (e.g.,
– Custom and standard ductwork installations for contractors and fabricators

Pros:
– High-efficiency, energy-saving ductwork systems
– Versatile material options for different requirements and durability needs
– Innovative, time-saving, and easy-to-install products
– Competitive pricing and strong customer support

Cons:
– No detailed technical specifications or certifications provided on the page
– Limited specific performance data (e.g., pressure ratings, leakage class)

Comparison Table

Company	Product Details	Pros	Cons	Website
Spiral Pipe and HVAC Duct Manufacturers	HVAC Spiral Pipe Supplier	Spiral Manufacturing specializes in manufacturing spiral pipe and HVAC duct	Comprehensive selection of duct types and accessories for versatile HVAC	No detailed specifications (e.g., pressure ratings, sizing, materials beyond
HVAC Spiral Duct Pipe & Fittings	Sheet Metal Connectors	Sheet Metal Connectors, Inc. (SMC) manufactures commercial and industrial HVAC	High rigidity and crush resistance compared to standard pipe types. Virtually	Complete Seal fittings currently available only in galvanized (not stainless or
Spiral Ductwork for Commercial Ducting Systems – HVACDirect.com	Spiral ductwork for commercial ducting systems offered for sale by HVACDirect	Discounts available on high-value orders (over $2,000) Designed for commercial	Technical specifications and sizing information are not clearly listed on the	hvacdirect.com
Spiral Ductwork – McMaster-Carr	Crush-resistant spiral ductwork and fittings, available in galvanized steel,	High strength and rigidity due to spiral seam construction Multiple	Higher cost for PVC-coated and especially for 304 stainless steel options Some	www.mcmaster.com
Spiral Duct Pipe – Ferguson	Spiral duct pipe for air distribution and HVAC applications. Available under	Strong and durable construction Suitable for a variety of HVAC air distribution		www.ferguson.com
Spiral Pipe and Fittings	Baker Distributing	Baker Distributing	Spiral pipe and fittings offered by Baker Distributing are part of their HVAC	Suitable for both residential and commercial HVAC ductwork Available as part of
Spiral Ductwork – AGI Fabricators				agifabricators.com
Spiral Pipe and Fittings	Ductwork Fabrication	Sheet Metal …	Ducts and Cleats offers a comprehensive range of spiral ductwork and spiral	Spiral design offers increased rigidity and reduced leakage compared to
HOME	Spiral Products	Sheet metal fabrication specializing in spiral duct for HVAC industry, with	Majority of products made in-house enabling fast turnaround times Large	Rectangular duct offerings are intended for smaller projects Main physical
HVAC Sheet Metal Duct Connectors	Spiral Ductwork Suppliers	Sheet Metal Connectors, Inc. (SMC) fabricates premium quality custom and	High-efficiency, energy-saving ductwork systems Versatile material options for	No detailed technical specifications or certifications provided on the

Frequently Asked Questions (FAQs)

How do I identify reliable spiral ductwork suppliers or manufacturers?
Look for suppliers with solid experience, positive customer reviews, relevant certifications (such as ISO), and a clear track record of fulfilling orders on time. Checking their website and asking for references can also provide insight into their reliability.

What factors should I consider when comparing different suppliers?
Compare quality standards, pricing, experience, lead times, customization options, and after-sales support. It’s also helpful to ask about minimum order quantities, shipping terms, and warranty policies to ensure they meet your project needs.

Can I request product samples before placing a large order?
Yes, most reputable suppliers or factories are willing to provide samples so you can check the quality firsthand. Requesting samples helps you ensure their products meet your specifications before making a commitment.

How important are certifications for spiral ductwork manufacturers?
Very important! Certifications like ISO or industry-specific approvals demonstrate the manufacturer’s commitment to quality and compliance with recognized standards, helping you avoid potential issues with product performance or safety.

What should I ask about lead times and delivery before choosing a supplier?
Always confirm estimated production and delivery times to avoid project delays. Ask if they maintain inventory, what their average turnaround time is, and how they handle urgent or bulk orders, so you can plan accordingly.