Chester,  NH 
United States
  • Booth: 130

The future of wood waste conversion systems- The ROI EnviroSaver and CARBONATOR Series of Air Curtain Carbonizers are the most cost-effective and environment-friendly systems for high-volume wood waste reduction. ROI’s carbon negative conversion process produces a superior quality end-product, Biochar. All of ROI’s systems are available as portable, track mounted, or stationary, depending on our customers application requirements.


  • EnviroSaver 350
    ROI's EnviroSaver and CARBONATOR converts wood and other suitable biomass in to a high-quality biochar with high throughput rates. Designed to accept trees, brush, stumps and C&D, without grinding or chipping....

  • EnviroSaver Benefits

    • Continuous automatic char removal for maximum throughput.

    • Dump feature to quickly empty combustion chamber when burning contaminated material.

    • Preheated under fire air for maximum efficiency.

    • Track mounted for easy onsite mobility while operating and for easy trailer loading.

    • Live stream video monitoring of pyrolysis chamber so operator has full visibility for ease of feeding.

    • Compliant with current US EPA emissions regulations.

    • Extremely low operating costs, simple and easy single person operation.

    • Eliminates processing, transportation and disposal cost.

      A natural process that produces biochar, rather than harmful methane gas from landfilling, decomposition, and other inferior disposal methods.

      Available as a stationary unit with optional electric drive.