See Sky not Smoke

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supplement soils

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Contain the Flame

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Put Waste Wood to Work

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Bonus biochar benefits

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Wick Water Down

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See Sky not Smoke / supplement soils / Contain the Flame / Put Waste Wood to Work / Bonus biochar benefits / Wick Water Down /

A biochar kiln in use with a clean flame outdoors with trees and a pile of wood in the background.

Flamewise Biochar Kilns

for You, And you, And you.

This all started because I wanted a biochar kiln I could operate myself, could collapse for storage, and didn’t need any tools to assemble.

FlameWise kilns are tools to make fuels reduction activities easier to complete, at a scale you can do yourself, with low to no smoke and a contained flame.

AND, they’re a great way to make high quality biochar, which has more beneficial uses than can fit on this page.

A woman wearing a beige hat, blue jacket, and gloves tending the flame of a biochar kiln with logs outdoors under a blue sky with clouds, with a young man in sunglasses and a plaid shirt in the background.
A controlled outdoor burn in a biochar kiln made of steel metal, with fire and flames, surrounded by wood piles and a truck with firefighting equipment in a forested area.
A biochar kiln near the end of a burn, right before quenching, where the char has a bit of ash on top, with small flames burning on one side, outdoors on dirt ground surrounded by tree debris.
Person using a hose to quench the biochar, emitting steam, outdoors with cloudy skies.
Close-up of fresh biochar pieces with a textured, cracked surface.
A biochar kiln filled with fresh charred wood or charcoal on an outdoor ground surface.
Two hands holding chunks of fresh black biochar.
A woman with glasses and a hat standing outdoors next to an open car trunk filled with metal tools and biochar equipment, holding a power tool in her right hand, with an RV in the background and a paper bag on the ground.

FlameWise Kiln Sizes

  • Person in outdoor gear standing next to a small controlled fire in a biochar kiln the size of a fire pit, with a forested hillside and blue sky in the background.

    Campfire Size

    This 6 panel kiln is 3’ wide by 2’ wide - the same size as most fire pit regulations for residential campfires.

    A full campfire size kiln can make about ½ a cubic yard of biochar.

  • Person wearing a cowboy hat and plaid jacket tending to the flame of a biochar kiln filled with branches outdoors. A red fire truck is parked in the background, along with another person standing under a white canopy tent.

    Burn Pile Size

    This 6 panel kiln is 4’ wide by 2½‘ tall - a width often used for silvicultural debris burns.

    A full burn pile size kiln can make about 1 cubic yard of biochar.

Enquire or Order
A scenic mountain trail with autumn trees in red and yellow, tall green pine trees on the hillside, and a blue sky with scattered clouds.

About Flamewise

As someone with 20 acres of forest land in the dry, sub-alpine climate of the Eastern Cascade foothills in Washington State, I started looking into biochar as a smart solution for processing limbs and brush from forest health and wildfire resilience projects while stewarding our land.

I was drawn to the simple, low-smoke approach that contained the fire, and intrigued by how this process could result in a bonus soil amendment that would improve the water retention of our increasingly drought-stricken area.

One thing led to another, and soon I was working with and supporting community groups who were using forestry-scale flame cap kilns - such as the Ring of Fire Kiln - an amazing tool that I’m a huge advocate for.

However, I wanted something that I could use when I was processing material by myself that was smaller (“me-sized”), had no fasteners/nuts/bolts, and could easily fit in the trunk of my mid-size car. I wanted a couple sizes - one that would fit the requirements of a recreational campfire (2’ high by 3’ wide), and another that would fit the rule burn size in Washington - no more than 4’ wide. I wanted these for personal use, but I also wanted them for biochar demonstrations, because if they were smaller, I could do end-to-end demonstrations in a shorter period of time.

So I made some. I used them. I tweaked them.

I started using them in biochar workshops and demonstrations and soon folks started asking me where they could get one for their use. After making a few for people, it seemed that there was enough demand to transition it from a hobby, and so FlameWise was born.

Bringing these patent pending designs to life and into use is truly a labor of love, and I’m glad you’re here on this journey with me.

- Korina Stark

FlameWise Kilns