• 60
    Years of
    Experience

Commercial HVAC Concentric Systems Built for Rooftop Units

MicroMetl designs and manufactures commercial HVAC concentric duct systems engineered for seamless integration with rooftop units, optimizing airflow and maximizing space efficiency. 

MicroMetl Concentric

 Our solutions support contractors, engineers, and distributors with precision-built products designed to simplify installation, ensure proper fit, and meet real-world application

Our solutions support contractors, engineers, and distributors with precision-built products designed to simplify installation, ensure proper fit, and meet real-world application demands.

A concentric duct system combines supply and return air pathways into a single, space-saving assembly, allowing conditioned air to flow efficiently while maintaining proper separation between airstreams. By reducing rooftop footprint and simplifying duct layout, concentric systems help improve installation efficiency and overall system performance.

MicroMetl concentric packages are designed for compatibility with a wide range of rooftop units and applications, including new construction and retrofit projects. Each unit is manufactured in the United States using precision fabrication and rigorous quality control standards, ensuring accurate fit, reliable airflow performance, and long-term durability in the field.

Whether you’re specifying a new installation or replacing existing equipment, our focus is on delivering application-ready solutions—concentric duct systems that streamline installation, reduce field modifications, and provide the confidence that everything fits and performs as expected.

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Watch How MicroMetl Concentric Systems Work

See how MicroMetl concentric duct systems perform in real-world commercial applications. From installation and rooftop integration to duct alignment and airflow management, our solutions are designed to optimize space, simplify installation, and ensure reliable system performance.

MicroMetl concentric systems support efficient airflow by combining supply and return air pathways into a single, integrated assembly. By reducing rooftop footprint and minimizing duct complexity, they help streamline installation, limit field modifications, and deliver consistent, dependable performance in the field.

Start Configuring Your HVAC Concentric System
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MicroMetl Concentric Systems Explained

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MicroMetl Concentric Packages

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Search Concentric Duct Systems by Model or Part Number

Access our complete catalog of concentric duct systems and quickly locate the exact solution required for your rooftop unit application.

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Why Choose MicroMetl Concentric Duct Systems

MicroMetl delivers commercial HVAC concentric duct systems engineered for optimized airflow, space-saving design, and seamless rooftop unit integration in real-world applications.
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Precision Manufacturing You Can Rely O

MicroMetl concentric systems are designed and manufactured in the United States using precision fabrication and rigorous quality control standards, ensuring accurate fit, reliable airflow performance, and long-term durability in the field.

Designed for Efficient Airflow and Space Optimization

Our concentric duct systems combine supply and return air pathways into a single, integrated assembly, helping reduce rooftop footprint, simplify duct layout, and improve overall system efficiency.

Seamless RTU Integration

Designed for compatibility with major rooftop unit manufacturers, MicroMetl concentric systems ensure proper duct alignment and support efficient installation and dependable system performance.

Reliable Supply and Responsive Lead Times

With U.S.-based manufacturing facilities and a strong distribution network, MicroMetl delivers dependable availability and responsive lead times to support projects of any size. 

FAQS: HVAC Concentric Duct Systems

Find quick answers about MicroMetl HVAC Concentric Duct Systems.

An HVAC concentric duct system is a combined duct assembly that routes supply and return air through a single, integrated structure. It allows conditioned air to flow efficiently while maintaining separation between airstreams, helping optimize space and simplify rooftop installations.

A concentric system uses an inner and outer duct configuration to carry supply and return air within one assembly. This design reduces the need for separate duct runs, simplifies alignment with rooftop units, and supports efficient airflow distribution throughout the system.

Concentric duct systems are commonly used in rooftop unit applications where space is limited or simplified duct layout is preferred. They are ideal for both new construction and retrofit projects where reducing rooftop congestion and installation complexity is a priority.

MicroMetl offers concentric duct systems designed to match a wide range of rooftop unit configurations and airflow requirements, ensuring proper fit, alignment, and performance across commercial applications. We have hard duct and flex duct systems available.

Concentric systems help optimize airflow by reducing duct complexity and improving alignment between the rooftop unit and building ductwork. This supports consistent system operation, simplifies installation, and reduces the need for field modifications.

You can request a quote through our website or by contacting our team directly. Our team will help you select the right configuration for your specific rooftop unit and project requirements.