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The Legendary SF25: Environmentally Friendly Coffee Roasting Machine

SFR-25-2024b

SF25: 25lb/12kg large batch Commercial Coffee Roaster with Afterburner

The SF25 from the San Franciscan Roaster Company is powerfully built and meticulously designed to produce great roasts, time after time. The SF25 is able to roast from 6 pounds (3 kg) to 25 pounds (12kg) of green coffee per batch with up to 4 roasts per hour, providing a maximum roast capacity of 100 lb. per hour (48 kg/hr). The SF25 is able to run on either natural gas (LNG) or propane (LP). In order to boost efficiency, the SF25 comes with the choice of a built on afterburner or cyclone to meet even the most stringent air quality requirements in any region. The San Franciscan Roaster Company goes above and beyond to offer the best products to specialty drum coffee roasters all around the world. All of our roasters are handcrafted with love in Carson City, Nevada. If you’re looking for the perfect small-batch roaster for your coffee shop, choose the SF25!

American-Made Roasters for the Artisan Coffee Roaster

At The San Franciscan Roaster Company, we make use of only the highest quality materials in order to create roasters that will last a lifetime. Every single one of our roasters is meticulously handcrafted to suit your exact specifications. Our products are all designed and built in the United States, with American-made parts. San Franciscan Roaster is a private company and we are not beholden to shareholders or third parties who want to cut costs. We simply don't compromise on quality when we build your roaster. Every component is American made, of the highest possible quality available. Our philosophy is that we build every roaster in the way that we would want it built for ourselves. 

The SF25 Roasts Up To 100 lb/48kg Per Hour

  • Roasts between 6 lbs (3 kg) and 25 lbs (12 kg) of green coffee per batch
  • A maximum roast capacity of 100 lbs per hour (48 kg/hr)
  • Roasting time varies between 10 to 15 minutes, depending on roaster preferences

Suggested Installation Instructions

A San Franciscan SF-25 commercial coffee roasting machine on location

There should be a minimum of 18″ clearance completely around the machine. The vent piping should be rated for the US Standard UL-103HT, approved for positive pressure, 8″ inside diameter.

Electric requirements:

  • The machine is fused with 20 amp. main fuses.
  • A 30 amp. power source to the machine will be more than adequate.
  • 220 volt, four-prong grounded plug-in.

Gas line requirements:

  • The gas supply should operate at 7"WC Natural Gas or 11"WC Propane at 100,000BTU for the Roaster and 250,000BTU for the afterburner, with a 350,000BTU combined maximum output. Check with your local gas company.
  • The roaster should be bolted with 4 1/2″ floor anchor bolts. A roped off or fenced in operating area is suggested.

NOTE: Skin surfaces of afterburner can reach temperatures of 150 degrees F.

Also, note that all of The San Franciscan Roaster Co. manufacturer’s suggested installation requirements are just suggestions. All federal, state and local codes do take precedence over any of our suggested installation requirements.

Advanced Components and Classic, Handmade Beauty

In order to make the coffee roasting process as efficient and eco-friendly as possible, the SF25 can be outfitted with an afterburner that burns up any smoke and odor created from the roasting process or left with . This addition, which comes standard with all SF25 roasters, leads to a smaller environmental impact. The afterburner and chaff collector are combined in a separate cylinder behind the roaster for ease of maintenance. Much like our other roasters, the SF25 is compatible with most data-logging programs.

The SF25 comes equipped with a variable drum rotation speed, a built-in afterburner, a hot air damper, and a variable speed hot-air fan. We only use high-quality, American-made motors, sprockets and bearings. The gas and electric parts of the SF25’s are also American-made to guarantee quality and longevity.

To get your coffee roasting machine, contact our team today!

Features of the 25lb/12kg San Franciscan Roaster™ Model SF-25

  • San Franciscan Roasters are hand-made in the USA.
  • All components used are made in the USA and parts can be purchased in the USA and worldwide
  • The roaster is a continuous batch roaster – it roasts and cools at the same time; therefore you can do four roasts per hour (100 lbs).
  • Roasting time is 13 to 15 minutes.
  • Maintenance is easy and simple. The pipes are exterior and can be taken off to clean by removing the band clamps. Cooling tray detaches easily for cleaning.
  • Minimal maintenance is required – Lubrication of bearings every 30 days.
  • The cooling sweep pivots off of lifetime bearings so no lubricating is necessary.
  • The chaff cyclone is in the cylinder which sets behind the roaster, making it much easier to clean
  • The San Franciscan Roaster has four identical 1/3 hp motors
  • Cooling tray sweep (which is pivoted off two lifetime bearings)
  • Drum sweep
  • Hot air fan
  • Cooling fan
  • The San Franciscan is ETL approved as all electrical components meet the Electrical Testing Laboratory regulations.
  • Hot air flow is controlled through the roaster chamber by a hot air damper.
  • The roaster lights automatically and the burner is easily seen through a sight hole.
  • All San Franciscans are powder coated with powder baked on at 400°F making the surface very durable.
  • The San Franciscan Roaster is made of 100% schedule 40 steel and contains no cast iron to enable it to withstand constant heating and cooling without any deterioration.
  • The faceplates are 5/8ths inch steel.
  • San Franciscan Roasters are compatible with most data-logging programs and your choice of data logger can easily be built into your new roaster.

Suggested Installation Instructions

There should be a minimum of 18″ clearance completely around the machine.
The vent piping should be a UL-103HT approved for positive pressure, 8″ inside diameter. The temperature rating should be no less than 1,400 degrees continuous duty and 2,100 degrees intermittent.

Electric requirements:

  • The machine is fused with 20 amp. main fuses.
  • A 30 amp. power source to the machine will be more than adequate.
  • 220 volt, 4 prong, NEMA: LI4-30P

Gas line requirements:

  • If not more than 30′, 3/4″ black gas piping will be adequate; otherwise, check with your local gas company. Tell them the actual footage from the meter to your new roaster and that you need to be able to operate an appliance that will consume 2lbs of gas per hour at 7 water inch columns of gas pressure.

The roaster should be bolted with 4 1/2″ floor anchor bolts. A roped off or fenced in operating area is suggested.

NOTE: Skin surfaces of afterburner can reach temperatures of 150 degrees F.

Also, note that all of The San Franciscan Roaster Co. manufacturer’s suggested installation requirements are just suggestions. All federal, state and local codes do take precedence over any of our suggested installation requirements.

SF-25 Specification sheet

 

lifetime-warranty

Guaranteed for Life

Each San Franciscan Roaster™ is covered by a Lifetime Warranty on the materials and fabrication work performed by the Company. Additionally, all of our roasters come with guaranteed personal support for the roaster’s entire lifetime. This lifetime warranty applies solely to the materials and fabrication work performed by the Company. The warranty covers failures due to defects in materials or workmanship and is limited to repair or replacement of the defective parts.
All third-party components meanwhile, such as engines, bearings, and moveable parts incorporated in the Roaster are guaranteed to be free from defects in materials and workmanship under normal use and service for a period of one (1) year from the date of purchase. Though they are built to last a lifetime and usually do.
While it is rare for our machines to face problems, our team is always available to troubleshoot and answer questions. Simply call or email us and a member of our support team will provide the necessary assistance in a quick, succinct manner.

SF-25 Image Gallery

SF-25 commercial coffee roaster
SF-25 close up of roaster drum
SF-25 commercial roaster on location
SF-25 a fresh batch of roasted coffee
SF-25 freshly roasted coffee
SF-25 large capacity commercial coffee roaster
SF-25 commercial coffee roaster at work
SF-25 commercial coffee roaster close up of detail
SF-25 large capacity commercial coffee roaster
SF-25 large batch commercial coffee roaster
SF-25 environmentally friendly commercial coffee roaster
SF-25 commercial coffee roasting machine
SF-25 commercial coffee roaster with afterburner
SF-25 coffee roasting machine
SF-25 commercial coffee roasting machine on location
SF-25-large-batch commercial coffee roaster
SF-25 commercial coffee roaster with red and bronze finish

What Other Roastmasters think of San Franciscan Roasters

"We love their old style look mixed with good electronics"


"We have two 25lb San Franciscan roasters named Frannie and Cisco. As Roastmaster, I love roasting on these two work horses. I roast simultaneously on both of them, with no problem. We love their old style look mixed with good electronics. If maintainence is kept up, they will work well. As a good companion, we roast all our samples on our 1lb San Franciscan, keeping them harmonious with our roasting process."

Paul Allen - Roastmaster
Caravan Coffee

"Beautiful roaster! A center piece of our cafe"

ohio-roasting-companyBeautiful roaster! A center piece of our cafe. There were a couple minor issues with roaster in the beginning but San Franciscan’s customer service was good. Technical support diagnosed them quickly and parts were sent.
I bought mine during COVID which may have caused delays and some quality control issues. Overall, I’m pretty happy with the machine and the company and would recommend them.


 Ohio Roasting Company
(from Google reviews)

"Thoroughly impressed by quality of their equipment and the level of customer care"

"I have been thoroughly impressed by quality of their equipment and the level of customer care we received. They have friendly staff, helped us troubleshoot electrical issues with our unit, and were able to diagnose and solve the issue each step of the way (thanks Alex!). We appreciate Bill’s leadership and taking care of all customers. "

Chelsea Fountain
Rise & Grind Coffees, NC
(from Google reviews)

Interested in this Roaster?

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