Experience the
Diedrich Difference
Worldwide Support from Green to Ground
About Diedrich Roasters
At Diedrich Roasters, we are more than a manufacturer of world-class coffee roasting equipment—we are innovators, engineers, and coffee enthusiasts united by a passion for advancing the art of roasting. With an unwavering commitment to quality, craftsmanship, and customer success, Diedrich leads the industry in providing exceptional roasting systems that empower coffee professionals, from small specialty roasters to large-scale commercial operations and facility concepts.


What We Do
We craft coffee roasters that seamlessly blend state-of-the-art technology with the tradition of exceptional craftsmanship. Each roaster is meticulously engineered and crafted in the US to meet the unique needs of our customers, enabling consistent, repeatable roasts batch-after-batch.
Comprehensive US-Based
- Engineering
- Manufacturing
- Support and Spare Parts
Our commitment doesn’t stop at manufacturing. At Diedrich, we go further—offering installation supervision technical guidance, front-end engineering and comprehensive training to help our customers optimize efficiency and quality. Backed by our promise of exceptional US-Based service, we provide ongoing support in every aspect, from maintenance and troubleshooting to operational know how.
Spare Parts
Designed and tested specifically for your equipment to ensure reliability.
Swift Delivery
Fast shipping and expert guidance to get the parts you need, when you need them.
Maximize Your Equipment
Replace wear-and-tear components with ease to maximize your roaster’s lifespan.
Spare Parts: Always Ready When You Need Them
Reliable access to the right parts is essential for safe and efficient roasting. Our Idaho-made parts, stocked in our Chicago warehouse, help you avoid costly delays to minimize downtime and maximize efficiency and profititability.
Prolong the Life of Your Roaster
By investing in regular maintenance and quality spare parts, you ensure your Diedrich roaster continues to deliver consistent results for years to come. Whether you’re a small specialty roaster or a large-scale operation, our team is here to provide the expertise, support, and solutions you need to stay at the top of your game.
Let us help you protect your investment and keep your roaster performing like new. Contact us today to learn more about our spare parts and maintenance services!

Commercial Roasters
Control every aspect of your profile to fully develop the flavor of every bean. Diedrich brings you durability, dependability, and repeatable results.

Specialty Roasters
Craft the perfect roast with every batch. Specialty-grade quality and efficient roaster design offers the ability to precisely fine-tune unique roast profiles your customers will love.
Our History
Diedrich Roasters’ legacy began in the early 1900s on a small coffee plantation in Costa Rica, where the Diedrich family cultivated a love for coffee and its transformative power.
Since the founding of Diedrich over 45 years ago, we have advanced the company by implementing state of the art technology, advanced engineering, process integration and in-house controls to grow with and adapt to market changes. Diedrich stands as a market leader in supporting the needs of both boutique specialty roasters and large-scale commercial facilities.
Our Focus for the Future
As we look ahead, Diedrich® is committed to pushing the boundaries of roasting technology while honoring our heritage. Our focus is on developing environmentally sustainable solutions that reduce energy usage and emissions without compromising flavor or aroma. We strive to expand our offerings, enhance our service and support, and maintain our leadership in the coffee roasting industry.
By fostering a collaborative and innovative environment, the Diedrich team strives to make a meaningful impact on our customers and the broader coffee community. As part of our commitment to corporate responsibility, we proudly support nonprofit organizations like the International Women’s Coffee Alliance, helping to strengthen and expand resources across the entire coffee value chain. We are active members of the National Coffee Association NCA, and the Specialty Coffee Association. In addition, to our comprehensive coffee education program we sponsor and host webinars and Coffee Summits to further expand our outreach through shared knowledge with the coffee community.




Commercial Roasters
Control every aspect of your profile to fully develop the flavor of every bean. Diedrich brings you durability, dependability, and repeatable results.

Specialty Roasters
Craft the perfect roast with every batch. Specialty-grade quality and efficient roaster design offers the ability to precisely fine-tune unique roast profiles your customers will love.

The Diedrich Family

Handcrafted in the USA
Every Diedrich Roaster is custom built and rigorously tested to meet the highest quality standards in every machine.

Exceptional Customer Support
You can depend on Diedrich to be there for you from green to ground to maximize your investment.

Expanded Process Systems Solution
Roast with confidence. Our process design capabilities and expertise support you in a seamless start-to-finish coffee processing system.

The Diedrich Difference.
1.844.343.3742
Every handcrafted roaster is designed and engineered to deliver quality and consistency to achieve superb results. Your roaster is built to fulfill your specific roasting requirements and specifications and to fit seamlessly into your workflow.




