Jen-Ken Kilns’ Vertical Air Bath Knife Kilns are engineered for bladesmiths, blacksmiths, and knife makers who demand precision. With 360° heat coverage, these top-loading heat treat ovens minimize warping and deliver consistent, even temperature control.
Explore our full line of Jen-Ken Kilns—including knife kilns, ceramic, pottery, and glass models—at JenKenKilns.com.
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$2,936.00
The patent-pending Jen-Ken Vertical Air Bath 30 is the ideal midsize kiln for knife makers who wish to forge blades up to 29 inches long. To retrieve the blades vertically and transfer them to the quenching solution of their choice, the bladesmith will need a platform to stand on.
Stand with casters included.
$2,231.00
The patent-pending Jen-Ken Vertical Air Bath 21 allows most culinary blades to be distressed (normalized), hardened, and tempered with little to no warping or distortion in the kiln. This kiln size is good for blades up to 20” long.
Stand with casters included.
$4,355.00
The patent-pending Excalibur Vertical Air Bath furnace is a custom Vertical Air Bath 21 that can heat treat shorter blades and swords. The removable Excalibur section, when clamped in, extends the oven’s height to 50 inches. This requires a workspace with tall ceilings, a tall vertical quench tank, and a platform for the bladesmith to stand on to retrieve and transfer blades to their quench medium of choice (platform and quench tank not included).
The configurable baffle design and large chamber accommodate blades of all shapes and sizes, making the Vertical Air Bath an ideal choice for diverse heat-treating needs.
Pictured is the VAB Excalibur with the AutoFire 12-button controller and solid-state relay (SSR).
$2,117.00
The patent-pending Jen-Ken Vertical Air Bath 16 allows shorter blades to destress (normalize), harden, and temper with minimal warping or distortion in the kiln. This kiln size is suitable for blades up to 15 inches long.
Stand w/ casters included.
$3,489.00
The patent-pending Jen-Ken Vertical Air Bath 30+9 offers increased depth in comparison to the Vertical Air Bath 30, accommodating blades up to 38” long. Bladesmiths will require a platform to safely retrieve the blade vertically and transfer it to their preferred quenching solution.
Stand with casters included.
$1,835.00
The patent-pending Jen-Ken Vertical Air Bath EDC allows most culinary blades to be distressed (normalized), hardened, and tempered with little to no warping or distortion in the kiln. This kiln size is good for blades up to 12” long.
This kiln comes with a tall stand and includes a 2-year warranty for both the kiln and the controller.
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