fluid-bed roasters

Sivetz 10lb Air Roaster

the Sivetz 10lb Air Roaster is a 4.5 kg fluid bed (hot air) fluid-bed roaster from Sivetz Coffee, built in USA, with manual controls.

the spec

batch capacity
4.5 kg
heat source
fluid bed (hot air)
control
manual
made in
usa

the verdict

the 10lb air roaster sits in the small production or high-volume sample roasting range at 4.5 kg batch capacity. like all Sivetz machines, it uses pure convective heat transfer with manual control over inlet air temperature and airflow. this gives you direct, responsive control but requires experience to manage profiles effectively. the fixed batch size means you're roasting 10lb batches every time, which works well for consistent production runs but limits flexibility if you need to roast smaller test batches or scale up significantly. roast times are typically faster than drum roasters due to the direct heat transfer method. the stainless steel construction is built to last, and the machine produces less smoke than drum roasters, which can simplify ventilation requirements. best for small roasteries that want the specific cup profile of fluid-bed roasting and have the skill to work with manual controls, or as a secondary roaster for established operations exploring convection roasting methods.

strengths

  • 4.5 kg capacity suitable for small production or extensive sample roasting
  • faster roast times compared to drum roasters due to direct convective heat
  • stainless steel construction with good parts availability over time
  • produces less smoke than drum roasting, easier on ventilation systems

trade-offs

  • fixed batch size limits flexibility for varying production needs
  • manual controls require experience and constant attention during roasting
  • learning curve for roasters accustomed to drum roasting methods

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