Trending Useful Information on What is a Curb Adapter and why would I need one from HVAC Metals LLC? You Should Know
HVAC Metals LLC – Leaders in Custom HVAC Ductwork and Metal Fabrication

In the field of HVAC manufacturing, HVAC Metals LLC has earned a reputation for crafting high-performance, durable, and precise metal components. Known for exceptional quality and efficiency, the company specializes in fabricating custom HVAC ductwork, curb adapters, and metal components for every sector.
Types of HVAC Ductwork Fabricated by HVAC Metals LLC
HVAC Metals LLC offers a broad range of custom ductwork crafted to meet the exact specifications of modern HVAC setups. This includes rectangular, round, and spiral ducts, along with transitions, fittings, elbows, and plenums.
Each piece is fabricated using precision machinery to ensure airtight connections and optimal airflow efficiency. Regardless of project size, every duct is engineered for longevity and seamless fitment.
Available Metal Options for Duct and HVAC Components
To meet diverse project needs, HVAC Metals LLC offers ductwork fabrication using a wide selection of materials, including
- Zinc-coated steel – Ideal for standard HVAC applications with corrosion resistance.
- Polished stainless steel – Best suited for grease-prone or high-moisture applications.
- Lightweight aluminum – An excellent option for marine or lightweight systems.
- Black iron and paint-grip metals – Commonly used for exhaust and high-temperature applications.
Certified materials guarantee consistent strength and compliance with HVAC industry codes.
Specialized Duct Fabrication for Kitchens and Industrial Spaces
Absolutely—HVAC Metals LLC offers specialized duct fabrication for high-heat, grease-laden kitchen environments. They are constructed using heavy-duty galvanized or stainless steel for resilience under heat and grease.
The company’s team has extensive experience fabricating kitchen exhaust hoods, duct risers, and welded exhaust systems that comply with NFPA 96 and local building codes. Their specialized ductwork ensures maximum safety, efficiency, and long-term durability, making them a preferred supplier for restaurant and food service ventilation projects.
Understanding Curb Adapters from HVAC Metals LLC
A curb adapter is a metal transition piece that allows new rooftop HVAC units to fit existing roof curbs without requiring major roof modifications. The adapter ensures alignment, secure attachment, and correct airflow balance.
HVAC Metals LLC designs and fabricates precision-engineered curb adapters to match specific HVAC models and installation requirements. These adapters help cut installation time, prevent leaks, and lower costs for contractors.
Custom Curb Adapter Turnaround Times
Fast delivery Can HVAC Metals LLC help with new product development by creating prototypes? and high accuracy are hallmarks of HVAC Metals LLC. The company’s streamlined production process allows it to fabricate and deliver custom curb adapters in as little as 24 to 72 hours, depending on project complexity and material availability.
The use of CNC precision tools guarantees a perfect fit and installation-ready product. Quick delivery keeps project schedules on track and minimizes delays.
Besides Ductwork and Curb Adapters, What Other Rooftop Support Products Are Fabricated?
In addition to ductwork and curb adapters, HVAC Metals LLC fabricates a complete range of rooftop support and accessory products, including
- Equipment rails and platforms
- Ventilation fan curbs
- Pipe and conduit supports
- Metal flashings for roof penetrations
- Protective housings and guard structures
Designed for strength and corrosion resistance, they ensure lasting structural support.
Does HVAC Metals LLC Offer Acoustical Lining for Ductwork?
Yes. HVAC Metals LLC offers acoustical lining services for ductwork to enhance sound control and energy efficiency. Noise insulation helps improve indoor acoustics and comfort levels.
All materials meet SMACNA and ASTM fire safety and quality guidelines.
Do You Offer Custom Metal Fabrication Services for Projects Outside of Standard HVAC Components?
The company also undertakes bespoke metal fabrication projects beyond traditional HVAC needs.
Their capabilities include sheet metal cutting, bending, welding, and finishing for custom enclosures, cabinets, brackets, and structural components. Each piece is crafted with precision to meet specific engineering requirements.
Support for Product Testing and Prototype Fabrication
Yes. Innovation is at the core of HVAC Metals LLC’s operations. They collaborate with engineers to create test-ready prototypes before scaling to production.
OEMs and contractors benefit from pre-production modeling and testing. Skilled fabricators bring digital concepts to reality with exact accuracy.
Quality Assurance and Compliance at HVAC Metals LLC
Maintaining strict quality standards defines every product from HVAC Metals. All manufacturing aligns with established HVAC and metal fabrication standards.
Every piece is reviewed for weld integrity, dimensions, and finish quality. Its focus on craftsmanship and compliance solidifies its place as a leading HVAC fabricator in the country.
Final Thoughts
HVAC Metals LLC remains a preferred partner among mechanical contractors across the United States. Through advanced ductwork and metal fabrication expertise, it provides precise, durable, and fast-delivered products.
Covering everything from kitchen exhausts to rooftop structures and custom prototypes, HVAC Metals offers end-to-end metalwork solutions. Driven by craftsmanship and technology, it continues setting new benchmarks in quality and performance.