Annealing
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Jen-Ken AF3P 15/6 Glass Fusing & Slumping Kiln – 120V Electric Kiln with Digital Controller
Jen-KenA 120V Plug-In Kiln With the Build Quality of a Full Size Studio Kiln The Jen-Ken AF3P 15/6 is built different. Most 120V tabletop kilns are strip...
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Jen-Ken AF3P 18-E 15" Deep Glass Fusing Kiln – 240V Glass Casting & Slumping Kiln
Jen-KenA Versatile 18" Round Glass Kiln for Home Studios The Jen-Ken AFG 18-E 15" is a compact round glass kiln built for home and small studio glass art...
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Jen-Ken AF3P 11/6 Glass Fusing Kiln – Compact 120V Electric Kiln for Home Studio
Jen-KenCompact Tabletop Glass Kiln Deep Enough for Pot Melts, Pattern Bars, and Drop-Outs Most tabletop glass kilns are too shallow for the more interest...
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Jen-Ken AF3P Bead Cube Glass Kiln with 4" Door – 120V Bead Annealing & Fusing Kiln
Jen-KenA Compact 9" Cube Lampworking Kiln. Big 4" Door, Small Studio Footprint. The AF3P Bead 4 is built for lampworkers who need a reliable annealer wit...
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Jen-Ken AF3P 11/4.5 Glass Fusing Kiln – Compact 120V Electric Kiln for Beginners
Jen-KenA 120V Plug-In Kiln for Small Fusing and Slumping. Fires up to 2000°F. The AF3P 11/4.5 is a compact, plug-and-go kiln built for fusing and slumpin...
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Jen-Ken AFG ProFusion 26 Glass Fusing Kiln – Large 240V Clamshell Fiber Kiln
Jen-KenThe Fast ProFusion: 500°F Per Hour Firings in a 26" Chamber The Jen-Ken ProFusion 26 is the smallest kiln in the ProFusion family, but it's far fr...
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Jen-Ken AF3P 24-E 15" Deep Glass Casting & Fusing Kiln – Large 240V Electric Kiln
Jen-KenA 24" Round Glass Kiln Built for Fusing, Slumping, and Casting The Jen-Ken AF3P 24-E 15" is a versatile round glass kiln that handles three discip...
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Jen-Ken AF3P Bonnie Glo Glass Fusing Kiln – Clamshell Fiber Kiln 120V
Jen-KenAn All-Fiber Kiln Built for Speed. Multiple Firings a Day, On a Standard Outlet. The AF3P Bonnie Glo is built around a single idea: fiber fires fa...
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Jen-Ken AFG JK2 27/15 Glass Fusing Kiln – Large 240V Electric Glass Kiln
Jen-KenA Deep Glass Kiln for Slumping Big Bowls and Tall Forms The Jen-Ken AFG JK Squared 15" is built for one specific thing most glass fusing kilns can...
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Jen-Ken AFG ProFusion 38 Deep Glass Fusing Kiln – Extra Large 240V Fiber Kiln
Jen-KenThe Deep ProFusion 38: For Slumping and Casting Work That Needs Vertical Room The Jen-Ken ProFusion 38 Deep is the same big idea as our standard P...
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Jen-Ken AFG ProFusion 26 Deep Glass Fusing Kiln – Large 240V Clamshell Fiber Kiln
Jen-Ken26" Square With 15" of Depth. A Fiber-Top Fusing Kiln Built for Speed and Bigger Slumps. The ProFusion 26 is a Jen-Ken innovation that takes the s...
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Jen-Ken AFG Oval 13 Glass Fusing Kiln – Oval 240V Electric Glass Kiln
Jen-KenA 7.2 Cubic Foot Oval Brick Kiln. Built for Studios That Fire Big and Fire Often. The AFG Oval 13 is a serious workhorse. With 24" x 39" x 13" of ...
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Jen-Ken AFG JK2 27/11 Glass Fusing Kiln – Large 240V Electric Glass Kiln
Jen-KenA 27" Square Glass Kiln With Top and Side Firing. Even Heat, Beautiful Results. The Jen-Ken AFG JK2 (also called the JK² or JK Squared) is a squar...
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Jen-Ken AFG ProFusion 52 Deep Glass Fusing Kiln – Production 240V Fiber Kiln
Jen-Ken52 Inches Wide, 15 Inches Deep. For Slumping Work That Goes Big and Tall. If you've been working with deep slumping molds, draping over taller for...
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Jen-Ken AF3P 11/4.5 w/ 2” door
Jen-Ken11 Inches Wide, 4.5 Inches Tall. A Lamp Worker's Kiln That Doubles as a Small Fusing Kiln. If you're a lamp worker who needs a dedicated annealing...
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Jen-Ken AF3P 24-E Glass Fusing & Casting Kiln – Large 240V Electric Glass Kiln
Jen-KenA 24" Glass Kiln That Still Runs on a Dryer Outlet The middle ground in your glass kiln decision is usually a tradeoff. Step up from a home-size 18...
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Jen-Ken AF3P Cube Glass Fusing Kiln – Compact 120V Electric Kiln 9"x9"x9"
Jen-KenA Perfect 9" Cube. Versatile, Modular, Plug-In Ready. The Jen-Ken AF3P Cube is the most versatile tabletop kiln in our catalog. The interior is a ...
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Jen-Ken AF3P Bead Cube Glass Kiln with 2" Door – 120V Bead Annealing & Fusing Kiln
Jen-KenA Tabletop Bead Annealer That Doubles as a Fusing Kiln If you're a lampworker, the kiln matters as much as the torch. Every bead you make needs to ...
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Jen-Ken AF3P Bonnie Glo Tilt Glass Fusing Kiln – Tilting Clamshell Fiber Kiln 120V
Jen-KenFire Two or Three Times a Day. From a Regular Wall Outlet. Most glass kilns are slow. They take an hour to warm up, hours to cool down, and they ti...
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Jen-Ken AF3P 18-E Glass Fusing & Casting Kiln – 240V Top & Side Firing Kiln
Jen-KenA Trusted Home Studio Glass Kiln Since the 1970s The Jen-Ken AFG 18-E has been a fixture in home glass studios for fifty years, and for good reason...
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Jen-Ken AF3P Take-A-Part 11/4.5 Glass Kiln – Portable 120V Glass Fusing Kiln
Jen-KenThe Beginner Kiln That Grows With You If you've been wanting to try glass fusing, bead making, or small slump work but didn't want to commit to a ...
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Jen-Ken AF3P 28-E 15" Deep Glass Casting & Fusing Kiln – Extra Large 240V Kiln
Jen-KenDeep Enough for Casting, Wide Enough for Big Glass The standard 28-E is built for fusing and slumping. The Jen-Ken AF3P 28-E 15" is its deeper sibl...
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Jen-Ken AFG ProFusion 52 Glass Fusing Kiln – Production Size 240V Fiber Kiln
Jen-Ken52 Inches Wide. For Pieces That Don't Fit in Any Other Kiln. Architectural panels. Custom door inserts. Conference table tops. Long fused wall art...
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Jen-Ken AF3P 28-E Glass Fusing & Casting Kiln – Extra Large 240V Electric Glass Kiln
Jen-KenBig Glass, Even Heat: 28 Inches of Round Fusing Capacity If you're working on large bowls, platters, table tops, or sink-sized fusing projects, you...
View full detailsOur annealing kilns are built for glass artists who need precise temperature control through every soak and ramp — because a rushed cool-down is a cracked piece. We carry annealing-ready kilns from Olympic, Jen-Ken, Aim, Hot-Shot, and Evenheat, with the controllers and chamber sizes that match how you actually work — whether you're cooling fused panels, blown vessels, or lampworked beads, from 120V bench units to 240V floor models.
Key Advantages
- Precision heat, honest soaks — every model has a programmable controller built for the long, slow holds annealing demands, with no guesswork at the strain point.
- Bench to floor — compact 120V annealers for the lampwork torch, up to 240V floor models for larger fused and blown work.
- Drop-in workflows — dedicated annealing cabinets let you set hot work straight in and run the cool-down.
- Quick-ship options — select annealers ship fast, so you can pull a piece off the torch this week.
Browse Related Collections
Annealing Options
| Your Work | Good Fit | Power | Example Models |
|---|---|---|---|
| Lampwork beads (bench) | Compact bead annealer | 120V | Jen-Ken Chilipepper; Aim PB-1 / PB-2 |
| Beads + small fusing | Annealer / fuser combo | 120V | Jen-Ken AF3P 11/9 with bead door |
| Blown / larger hot work | Drop-in annealing cabinet | 120V or 240V | Hot-Shot 18A |
| Fused panels & vessels | Floor-model glass kiln | 240V | Olympic / Aim floor units |
Examples from this collection; check each product page for current specs and pricing.
Why Buy from ProKilnSupply
- We match chamber, voltage, and plug to your space — no surprises at install.
- Quick-ship from our Provo warehouse on select annealers.
- Lowest Price, Guaranteed — see our Price Match Policy.
- No sales tax outside Utah, plus Shop Pay financing available for eligible orders.
Frequently Asked Questions
Why is annealing necessary?
As hot glass cools, the outside hardens before the inside, locking in internal stress. Annealing holds the glass at its annealing point and then cools it slowly and evenly so that stress is released. Skip it or rush it and the piece can crack — sometimes days later. It's essential for lampwork, blown, fused, and cast glass.
Do I need a separate annealer for lampwork?
For active lampworking, a dedicated bead annealer (or a kiln with a bead door) lets you garage beads as you make them and run a proper cool-down at the end of the session. It's the standard setup — making beads without annealing leads to cracking.
Can my fusing kiln anneal too?
Yes — most glass fusing kilns include an anneal segment in the firing schedule, so the same kiln fuses and anneals flat work. A separate annealer is mainly for lampwork and hot-shop workflows where you're putting hot pieces in throughout a session.
What size annealer do I need?
It depends on what you make and how much at once — a small bench unit handles beads, while panels and vessels need a larger chamber. Tell us your typical work and power available, and we'll size it. See our Electrical & Power guide too.
A rushed cool-down is a cracked piece — annealing is where it's saved.
Talk to a kiln specialist — we'll help you choose. 📞 (801) 839-5882Monday – Friday, 9AM – 5PM MST