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Upcoming Events

HARDI Annual Conference 2025

December 8-11, 2025
Wynn Hotel and Casino
Las Vegas, NV
AHR Expo 2026

February 2 -5, 2026
Las Vegas Convention Center
Las Vegas, NV
Johnstone Supply Spring Tradeshow

March 18 -19, 2026
Fort Worth Convention Center
Fort Worth, TX

New Arizona Division

Southwark Metal is pleased to announce the opening of our 7th plant location in Phoenix AZ.
Read about our new Division
Tech Tip #2: Equivalent Lengths

Equivalent lengths of duct fittings are important to the system designer for proper airflow distribution.
Read About Equivalent Lengths
Tech Tip #1: Why Sheet Metal?

Galvanized sheet metal is energy efficient, durable, and ease to install.
Read About Why Sheet Metal?
Duct Design Center

Southwark Metal Manufacturing Company has been a proud leader in the HVAC manufacturing industry for decades.
Read About the Duct Design Center
New Division

Southwark Metal Manufacturing Co is pleased to announce the grand opening of its new manufacturing plant in Caldwell, Idaho.
Read About the New Division

Since 1946, Southwark Metal Manufacturing has established itself as one of the largest manufacturers of HVAC sheet metal pipe, duct, and fittings for residential and light commercial applications.

Southwark Metal Manufacturing Co. is a one-of-a-kind workplace. As a third generation family-owned business, we understand that the lions’ share of the value of our company comes from our amazing employees.