Rectangular Duct Muffler / Silencer

Rectangular Duct Muffler / Silencer from ALAN Manufacturing

Company Profile
Duct Muffler / Duct Silencer / Sound Attenuator - Rectangular

Reduces noise traveling through ductwork. Available in standard or customized sizes.

Alan Manufacturing, Inc., through its nearly quarter century existence, has designed over 1,000 different product's including all standard HVAC dampers, related hardware, duct supports and zone control systems as well as specialized items that meet the needs of its customers.

If a special item is not in our catalog, we will utilize our ability to build the tooling to manufacture it for you because your success is our success!

Our company has been manufacturing high quality dampers for the HVAC industry since 1992. We have one facility with over 100,000 square feet of manufacturing capacity. We serve customers from the Atlantic to the Pacific and Canada to Mexico.

Richard Bluestone founded Alan Manufacturing, Inc. in 1992. Richard has over thirty years of experience in HVAC. His father, Morris and siblings Leonard and Barbara started L.B. Manufacturing, Inc. in 1952. Richard is following the guiding principles he learned from his family in providing high quality metal products at competitive prices backed by extraordinary customer service. These principles continue today. We continue to expand into new products and markets while maintaining a highly efficient operation without sacrificing service and attention to customer needs.


We specialize in customizing products to meet customers needs. We carry HVAC dampers and related hardware, Zone Control System products and duct supports.

Company Type:



Residential, Commercial, Industrial

Business Sectors:

Work Types: Ventilation
Construction Types: New Construction, Retrofit & Upgrades, Replacement, Repair & Maintenance


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