The IR Series

Innovation just possibly achieving perfection.
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The CR Series

Small batch precision at industrial scale.
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Where philosophy, values,
and innovation meet.
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Welcome to DIEDRICH where
The difference is in the DETAIL.

Diedrich Manufacturing is a global coffee roasting equipment manufacturer dedicated to meeting the needs of both in-store and commercial/industrial coffee roasting companies. We have customers in over 70 countries and design, manufacture and market one of the broadest portfolios of high-quality coffee roasting products.


Excellence bred of persistent innovation

Learn how the Diedrich name came to be known as synonymous with quality, innovation, and aesthetic refinement.
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The IR Series

Find out why the IR Series roasters are the industry-leading choice for small-batch producers.

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The CR Series

The CR Series roasters make large batch roasting more efficient and give commercial operators a small batch advantage.

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The performance and reliability of our Diedrich roaster allows our customers to experience a consistently excellent cup of coffee. I am relatively new to roasting, and the ease of use amazes me.

Kyle Benson, Thomas Street Coffee Company

Benson copy

Getting the right roaster along with the best beans we could manage to source has been key to the success of our transition. It's nice to know that we can stand behind our Diedrich with full confidence.

Evan Aldetre, Dapper & Wise Roasters


I love my Diedrich Roaster! From the patented technology to the craftsmanship of the machine to the excellent customer service, I know I made the right choice by choosing Diedrich.

Robin Pollard, Pollard Coffee


Diedrich News & Events

May 20, 2014

    Diedrich Roasters at Coffee Fest St. Louis

    Diedrich Manufacturing is exhibiting at Coffee Fest St. Louis in booth #133. Contact us if you’d like to attend. ...
    March 10, 2014

      Emilo + Diedrich = Great Coffee

      Here is a great video where Emilo, a specialty coffee roasting company in Germany, show’s off the abilities of their ...