Category Archives: Biochar Retort

Home-scale double-barrel top-lit-up-draft biochar retort stove!

Biochar Retort

“Biochar can be made cleanly and effectively on a home-scale, using a biochar retort.”

Biochar is a desirable material for anyone looking to improve their soil. Buried, it acts as a water retainer, nutrient trapper, and home for beneficial bacteria and plant roots, and it continues to support life and fertility for thousands of years! On a home-scale, biochar can be made from waste wood or mulch, using a biochar retort.


  • Produces biochar – a permanent soil amendment
  • Burns clean and hot
  • Can be used for heating or cooking
  • Can be fuelled with waste materials