San Franciscan Roaster 25B: A 20-Year-Old American Handbuilt Coffee Roaster

If you’ve ever wondered what kind of machine can consistently roast 11 kilograms of coffee while standing up to daily commercial use for two decades, you’re not alone. Many specialty coffee roasters seek durable, well-built equipment that doesn’t sacrifice precision or ease of maintenance. The answer often lies not in mass-produced imports, but in machines with a long-standing reputation for craftsmanship.

The San Franciscan Roaster 25B is a 11kg-capacity coffee roaster built in the United States. Weighing 612kg, it runs on 220V power, consumes 0.9kg of gas per hour, and delivers 100,000 BTU of heat—specs that have made it a reliable workhorse in the specialty coffee world for over 20 years.

What Is the San Franciscan Roaster 25B?

The San Franciscan Roaster 25B is a commercial coffee roaster with a 11kg batch capacity. Its physical dimensions are 91.4cm in width and 244cm in height. It features a 20.3cm diameter exhaust vent and operates on 220V electrical power with a 15A current draw. The roaster is designed for use with either natural gas or propane, requiring specific gas pressures: 1.7kPa for natural gas and 2.2kPa for propane. Gas consumption is approximately 0.9kg per hour, and it outputs 100,000 BTU of thermal energy. The machine requires a fuel line with a diameter greater than 1.9cm.

Who Makes the San Franciscan Roaster 25B?

The San Franciscan Roaster 25B is manufactured by Coffee PER, a company based in Fallon, Nevada—a small town about an hour’s drive from Reno. The “PER” in Coffee PER stands for Processing, Equipment, and Repair. For the past 20 years, Coffee PER has specialized in building high-quality coffee processing equipment, with the San Franciscan series being among their flagship products.

Build Quality and Design Philosophy

Coffee PER builds the San Franciscan roasters—including the 25B—using premium components and traditional craftsmanship. These machines are known for their robust construction and are designed with modularity in mind, allowing for easy replacement and cleaning of parts. This reduces maintenance needs significantly compared to other leading international brands. Every San Franciscan roaster, regardless of size, is tested and certified by ETL. The attention to detail in both small and large capacity models ensures consistent roasting performance, proportional airflow, and heat distribution. The 25B, though smaller in batch size, shares the same engineering standards as larger industrial models.

Why Roasters Still Choose the 25B After 20 Years

The longevity of the San Franciscan Roaster 25B comes down to its durable build, efficient operation, and ease of cleaning. Despite being a 20-year-old design, it remains appealing for both cafes and roasting facilities. Its straightforward mechanics contribute to lower operating costs over time when compared to other roasters of the same capacity. The 25B is not just a piece of equipment—it’s a long-term investment in consistency and quality, with support from Coffee PER’s training and technical teams. Many roasters choose it for its timeless design, reliable performance, and the pride of owning a handcrafted American machine.

Frequently Asked Questions

What is the batch capacity of the San Franciscan Roaster 25B?

The San Franciscan Roaster 25B has a roast capacity of 11 kilograms per batch, making it suitable for small-to-medium specialty coffee roasting operations.

What are the dimensions of the 25B roaster?

The roaster measures 91.4cm in width and 244cm in height. These dimensions are important to consider for workspace planning and ventilation setup.

What kind of power and gas does the 25B require?

The 25B operates on 220V electrical power with a 15A current. For gas, it supports both natural gas (1.7kPa) and propane (2.2kPa), consuming about 0.9kg of gas per hour with a heat output of 100,000 BTU. The gas line must have a diameter greater than 1.9cm.

Who manufactures the San Franciscan Roaster 25B?

The 25B is manufactured by Coffee PER, based in Fallon, Nevada. The company specializes in coffee processing equipment and has been producing the San Franciscan line for 20 years.

Is the San Franciscan Roaster 25B ETL certified?

Yes, all San Franciscan roasters, including the 25B, are ETL certified. This includes both small and large capacity models, ensuring safety and performance standards are met.

How does the 25B compare to larger San Franciscan models?

The 25B shares the same engineering standards, roast characteristics, and proportional airflow and heat as larger San Franciscan industrial models, despite its smaller batch size.

Recommended FrontStreet Beans for the 25B Roaster

For roasters using the San Franciscan 25B, FrontStreet Coffee’s Ethiopia Humbera offers vibrant floral and citrus notes with a juicy body—perfect for highlighting clarity in smaller batches. The Yirgacheffe is another excellent choice, delivering lemon, bergamot, and stone fruit with a tea-like finish. Both beans showcase the kind of delicate yet complex profiles that the 25B’s precise heat control can enhance. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.