Coffee Roasting Fans & Ventilation

Finding the right ventilation fans for coffee roasting facilities

The type of fans needed to roast coffee are usually high-temperature centrifugal fans. These fans are designed to withstand the high temperatures that are required to roast coffee beans. They're also powerful enough to move the hot air around the roasting chamber, ensuring that the beans are evenly roasted and that the desired flavors and aromas are achieved. In short, these fans are the "roast masters" of the coffee roasting process!

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Any coffee roaster venting system's top objective should be to keep you, your equipment, and your coffee roastery safe. Aside from safety, the system should provide you the freedom to employ airflow as a tool in your roasting to mold the character and quality of your coffee.Modular solutions that allow for reconfiguration and addition as machines or layouts change may also be beneficial to growing roasteries.There are three key challenges specific to roaster exhaust when choosing a venting class/type: heat, pressure, and residue.Systems must be rated to withstand the heat of the exhaust fan, be airtight to avoid combustion gas leakage in a pressurized system, and be easily cleanable on a regular basis to remove combustible chaff particles and oil residue.

  • This is the loading step coffee dust might form as the beans are placed into loaders and drums. Dust may be captured via hoods and ducting, preventing it from settling back into the drum.

  • The first step of roasting. Heat from the drum, bean hulls/skins, and dust must all be removed as exhaust from the 450°F drum environment.

  • The cooling process has begun. Both particles created during roasting and heat from the drum must be collected and transported through ductwork as exhaust or to a collector for filtration prior to exhaust as the coffee beans go from the roaster to the cooling tray.

Exhaust Vents

To begin with, the roaster exhaust fans upward. Straight duct is simpler, quicker, and often less expensive. Similarly, most sites have room on the ceiling/roof that is already suitable for a hole and tube; however, this is not always the case with sideways.

Coffee Roasters

From intricate coffee projects to simple installations, we've worked with a range of coffee roasting firms to define and construct their roaster venting system.

Industrial Ventilation Equipment for Roasters

In coffee roasting, it's important to have proper ventilation to remove smoke, chaff, and other particulate matter produced during the roasting process. A combination of exhaust fans and ducting is typically used to vent the roasting area to the outside.One common setup involves a high-volume exhaust fan mounted on the roof of the building, which is connected to ductwork that runs down to the roasting area. Hood-style enclosures can be placed around the roasting equipment to capture the smoke and chaff, which is then vented through the ductwork and out of the building.In addition to exhaust systems, it's also important to have proper makeup air ventilation to ensure a healthy and comfortable work environment. This involves bringing in fresh air from outside to replace the air being exhausted, which helps maintain proper air pressure and prevents the buildup of harmful fumes or gases.Overall, proper ventilation is essential for the safety and comfort of coffee roasting workers, as well as ensuring high-quality roasted coffee products.