If you’re shopping for a forge that heats fast, stays controllable, and gives you enough working room for blades, a double-burner setup is a smart place to start.
This guide to the best double burner forges for knife making focuses on practical buying factors like chamber size, burner output, temperature range, portability, and regulator setup.
Best 10 Double Burner Forges for Knife Making Picks for 2026
Best for Long Bar Heating
2 Burner Propane Forge with Double Doors
- Double burners help even out heat on longer stock
- Double doors improve heat retention and warm-up speed
- Ceramic fiber insulation supports high-temperature use
Best For: Knife makers and small-shop blacksmiths heating longer bars and blade stock.
Best for High-Pressure Flame Control
Double Propane Forge Burner Kit
- Up to 100,000 BTU per burner
- Includes regulator, hose, and burner heads
- Adjustable air choke for flame control
Best For: Knife makers who want a high-output double burner propane setup with adjustable flame control.
Best for Beginners
Nelyrho Blacksmith Forge Starter Kit
- Easy starter forge for first-time users
- Stainless steel build with 0-30 PSI regulator
- Up to 2600°F for forging, melting, and casting
Best For: Beginners who want a simple propane forge for knife making and basic blacksmithing.
Best for Small Spaces
Double Burner Oval Propane Forge Kit
- Compact oval double-burner layout
- Includes tongs and welding gloves
- Up to about 2600°F for small knife work
Best For: Beginners and hobbyists who want a portable starter forge for knives and light blacksmithing.
Best for High-Output Kits
Double Propane Gas Forge Burners
- 2 burners plus hose and regulator included
- Adjustable 0-30 PSI propane control
- Good for knives, blacksmithing, and melting
Best For: Knife makers and hobby blacksmiths who want a complete high-output propane burner kit.
Best Value Dual-Burner Kit
Bonbo Propane Gas Forge Double Burner
- Dual burners and insulation support heat up to 2700°F.
- Kit includes regulator, hose, tong, gloves, brush, and firebrick.
- 2-door square chamber offers room for knife-making and blacksmithing work.
Best For: Knife makers and beginner-to-intermediate smiths who want a complete dual-burner propane forge.
Best for Safe, Fast Heat
2 Burner Propane Forge with Double Doors
- Safer hard-pipe gas routing
- Fast 3-minute heat-up with insulation
- Easy flame control for beginners
Best For: Beginners and knife makers who want a safer, quick-heating propane forge with simple controls.
Best for Long Stock
4 Burner Double Door Gas Forge
- Four burners for more even chamber heat
- Double doors help retain heat during forge work
- Large size fits longer knife billets and rods
Best For: Knife makers who need a larger forge for long stock and even heating.
Best Dual-Burner Kit
Bonbo Propane Gas Forge Double Burner
- Dual burners for faster, more even heat
- Up to 2700°F for knife making and forging
- Includes regulator, hose, tongs, gloves, and firebrick
Best For: Knife makers and hobby blacksmiths who want a complete dual-burner forge kit.
Best for Quick Heat-Up
1 Burner Double Door Mini Gas Forge
- Double-door design helps retain heat
- 2600°F ceramic fiber insulation
- Portable stainless steel build
Best For: Knife makers and small-shop users who want a compact forge that heats quickly.
Best for Long Bar Heating – 2 Burner Propane Forge with Double Doors
If you want one of the more practical double burner forges for knife making, this 2-burner propane forge stands out for its double-door layout and spaced burners that help deliver more even heat across longer stock. The stainless steel body, ceramic fiber insulation, and compact footprint make it a solid fit for small shops that still need dependable forge performance.
Best For: Knife makers and hobby blacksmiths who need even heating on long bars, plus a portable forge that heats quickly and holds temperature well.
Pros:
- Double burners are positioned to reduce hot spots and improve heat distribution.
- Double doors help trap heat when you want faster warm-up and better fuel efficiency.
- 1400-grade ceramic fiber insulation rated up to 2600F supports strong heat retention.
- Stainless steel construction with plasma surface treatment adds durability.
Cons:
- Open-door use is recommended at times to avoid overheating, which can reduce convenience.
- Users may need to apply refractory cement and extra ceramic fiber for best safety and longevity.
- At 15.45 pounds, it is portable, but not ultra-light.
Overall, this forge is a smart pick if you prioritize heat control, portability, and longer-stock heating performance in double burner forges for knife making. It is especially appealing for makers who want a compact two-burner setup without giving up useful insulation or door-based heat retention.
Best for High-Pressure Flame Control – Double Propane Forge Burner Kit
If you want a ready-to-use burner assembly for double burner forges for knife making, this propane kit is built for hot, adjustable forge work. The cast-iron burner heads, included hose, and 0-30 psi regulator make it a practical replacement or upgrade for small forges, melting setups, and foundry projects.
Best For: Knife makers and metalworkers who need a high-output, adjustable double-burner propane setup for forge builds and replacement use.
Pros:
- Each burner is rated up to 100,000 BTU for strong heat output
- Air choke and regulator help control flame intensity
- Includes hose and fittings for a more complete setup
- Works with propane, LPG, and butane for added flexibility
Cons:
- May be more burner than casual hobby users need
- High-pressure fuel setup requires careful installation and handling
For buyers comparing double burner forges for knife making, this model stands out for output and control rather than compact simplicity. It is a solid choice if you want a powerful replacement burner kit that can support forging, melting, and other high-heat shop tasks.
Best for Beginners – Nelyrho Blacksmith Forge Starter Kit
If you’re comparing double burner forges for knife making, this Nelyrho starter kit stands out more for accessibility than raw output. It’s a straightforward propane forge with stainless steel construction, a 0-30 PSI regulator, and enough heat for general blacksmithing, basic forging, melting, and casting work.
Best For: Beginners who want an easy-to-set-up propane forge for knife making and general metalworking.
Pros:
- Beginner-friendly starter kit that’s simple to unbox and get running
- Stainless steel body and 0-30 PSI regulator for solid everyday use
- Wide propane tank compatibility makes setup more convenient
- Rated for temperatures up to 2600°F for common forging tasks
Cons:
- Single-burner design, so it’s not a true double burner forge
- May need added refractory or rigidizer for better long-term durability
- Best suited to entry-level use rather than heavy production forging
This is a practical pick if you want a simple forge to start learning the craft, but shoppers specifically seeking double burner forges for knife making may want to compare it against dual-burner models for faster heat recovery and more even heat distribution.
Best for Small Spaces – Double Burner Oval Propane Forge Kit
If you want a practical entry-level option for double burner forges for knife making, this oval propane forge offers a compact footprint, quick heat-up, and the kind of controlled workspace that suits small blades, tools, and general blacksmithing tasks.
Best For: Beginners, hobbyists, and farriers who want a portable double-burner forge for small knife and tool projects.
Pros:
- Double-burner oval design helps spread heat efficiently across a usable work area.
- Includes V-bit tongs and leather welding gloves, so you can get started with the basics right away.
- Rated up to about 2600°F, making it suitable for heating, bending, tempering, and heat treatment.
- Lightweight enough to move around a garage, shop, or mobile setup.
Cons:
- Smaller capacity is better for knives and tools than large stock removal or bigger forgings.
- 3.6-star rating suggests mixed owner feedback.
- Best performance depends on careful flame and gas regulation.
Overall, this is a solid starter pick if you’re comparing double burner forges for knife making and want a bundle that combines portability, basic accessories, and enough heat for small-scale forging.
Best for High-Output Kits – Double Propane Gas Forge Burners
If you want a ready-to-run setup for double burner forges for knife making, this kit bundles two stainless steel burners, a hose, and a 0-30 PSI regulator so you can get to work without piecing together parts. It’s a practical choice for blacksmithing, forging blades, or light melting work where strong, adjustable heat matters.
Best For: Knife makers and hobby blacksmiths who want a complete high-output double-burner propane setup with minimal assembly hassle.
Pros:
- Includes 2 burners, hose, and regulator in one package
- High-output design supports forge work, casting, and melting
- Adjustable 0-30 PSI regulator helps tune heat output
- Integrated double-head hose design helps reduce leak points
Cons:
- Best suited to users who already know propane forge setup basics
- May be more burner than needed for very small forges
Overall, this is a strong pick if you’re shopping for double burner forges for knife making and want a complete propane burner package with serious heat potential. It’s especially appealing for users who value convenience, adjustable control, and a setup that can grow with heavier forge tasks.
Best Value Dual-Burner Kit – Bonbo Propane Gas Forge Double Burner
If you want one of the more complete double burner forges for knife making, this Bonbo propane forge is built for fast heat-up, a roomy working chamber, and a kit that includes the basics you need to get started. It’s aimed at knife makers, blacksmiths, and hobby fabricators who want strong heat output without piecing together every accessory separately.
Best For: Knife makers and beginner-to-intermediate smiths who want a dual-burner propane forge with accessories included.
Pros:
- Dual burners and insulated chamber help it reach up to 2700°F for forging and heat-treat work.
- Includes regulator, hose, tong, gloves, brush, and firebrick, so the setup is more complete out of the box.
- 2-door square design and larger capacity make it more flexible for longer blades and general blacksmithing tasks.
Cons:
- Requires propane handling and proper setup, so it’s not as plug-and-play as an electric unit.
- May be more forge than a casual hobbyist needs if you only do occasional small projects.
For buyers comparing double burner forges for knife making, this Bonbo model stands out for its included accessories, strong temperature ceiling, and practical forge size for real shop use.
Best for Safe, Fast Heat – 2 Burner Propane Forge with Double Doors
If you want one of the more beginner-friendly double burner forges for knife making, this portable propane forge stands out for its quick heat-up time, insulated chamber, and safer gas-routing design. The double doors help you control heat loss, while the included regulator and ball valve make flame adjustment straightforward for new users.
Best For: Beginners, home workshops, and knife makers who want fast heating, simple controls, and a safer propane setup.
Pros:
- Hard-pipe gas transition keeps the hose farther from heat for added safety.
- Heats quickly and uses ceramic fiber insulation rated up to 2600°F.
- Double-door design helps speed up heating and manage airflow.
- 0–30 PSI regulator and mini ball valve offer easy flame control.
Cons:
- Best results may require applying refractory or hardener before heavy use.
- Single-chamber layout may be less versatile than larger multi-burner forges.
This is a strong pick if you’re comparing double burner forges for knife making and want an easy-to-use forge that balances safety, heat retention, and practical everyday performance.
Best for Long Stock – 4 Burner Double Door Gas Forge
If you need one of the more capable double burner forges for knife making, this 4-burner propane forge is built for heating longer blades, bars, and other extended stock more evenly. The double-door layout helps trap heat when you need faster soak times, while the large interior gives you more room to work on fuller knife projects.
Best For: Knife makers and blacksmiths who want a larger forge for long stock, even heat, and higher-capacity propane work.
Pros:
- Four burners spread heat more evenly across the chamber
- Double doors help retain heat and speed up heating cycles
- Large 28.7-inch body suits longer rods and knife billets
- Stainless steel construction with high-temperature surface treatment
Cons:
- May need refractory cement and ceramic fiber for safer, better performance
- Long high-heat sessions require one door open to reduce overheating
- Burner or hose should be disconnected after use to protect components
This forge stands out when you want a bigger workspace and better heat distribution than a compact unit can offer. For buyers comparing double burner forges for knife making, its four-burner layout and long-chamber design make it a practical pick for larger blades and heavier blacksmithing jobs.
Best Dual-Burner Kit – Bonbo Propane Gas Forge Double Burner
If you want a ready-to-run forge setup with a broad heating zone, the Bonbo propane forge is a practical pick among double burner forges for knife making. It reaches up to 2700°F, includes the regulator, hose, tongs, gloves, and firebrick, and is built for fast heat-up on knives, tools, and small forging projects.
Best For: Knife makers and hobby blacksmiths who want a complete dual-burner forge kit with accessories included.
Pros:
- Dual-burner design helps deliver faster, more even heat for forging tasks.
- High max temperature of 2700°F suits knife making and general metalwork.
- Includes key extras like regulator, hose, tongs, gloves, and insulation material.
- Portable square body with two doors adds convenience for different workpieces.
Cons:
- Best suited to propane users, so it is not an electric plug-in option.
- May be more forge than needed for very small or occasional projects.
This is a strong all-in-one option if you want a dual-burner forge that can get hot quickly and support knife shop basics without extra purchases. For buyers comparing double burner forges for knife making, its included accessories and high-temp rating make it especially appealing for a first serious setup.
Best for Quick Heat-Up – 1 Burner Double Door Mini Gas Forge
If you want a compact forge that gets hot fast, this 1-burner model is a practical option to consider among double burner forges for knife making. The double-door layout helps trap heat, while the ceramic fiber insulation and stainless steel body are built for high-temperature work in a small footprint.
Best For: Knife makers, hobby blacksmiths, and farriers who need a portable forge that heats quickly and conserves propane.
Pros:
- Double-door design helps hold heat and improve fuel efficiency
- 2600°F-rated ceramic fiber insulation supports fast heat-up
- Stainless steel build is suited to demanding shop use
- Compact, portable format works well in smaller workspaces
Cons:
- Single-burner setup may be less versatile than true dual-burner forges
- May require added refractory cement for safer long-term use
- Open-door operation can be needed during extended high-heat sessions
For makers focused on efficient heating rather than maximum chamber size, this forge is a sensible value pick in double burner forges for knife making. It’s especially appealing if portability, insulation, and quick ramp-up matter more than having a larger dual-burner layout.
How We Picked the Best Double Burner Forges for Knife Making
We prioritized forge designs that make sense for knife work: strong heat output, enough chamber space for blades and longer stock, stable door layouts, and straightforward propane controls. We also looked for features that matter in real shop use, including insulation quality, build materials, included regulators or hoses, and portability for makers with limited space.
Quick Comparison
When comparing Double Burner Forges for Knife Making, the biggest differences usually come down to chamber size and control. Smaller units are easier to move and heat faster, while larger forges offer more room for longer blades, multiple pieces, or post-forging adjustments. Models with included regulators and hoses can be more convenient for beginners, while bare-bones burner setups may suit buyers who already have compatible gas hardware.
Key Buying Factors for Double Burner Forges for Knife Making
Heat and Temperature Control
Look for enough burner output to reach forging temperatures without constantly running at maximum gas flow. Good control matters for normalizing, forging bevels, and avoiding overheating thin blade sections.
Forge Size and Opening Style
Double-door and two-door layouts can make it easier to pass stock through and manage longer blades. Make sure the chamber is large enough for the knives you actually plan to make, not just small test pieces.
Insulation and Efficiency
Better insulation helps the forge heat faster and use less fuel. That can improve consistency and reduce propane use over time, especially if you forge often.
Included Gas Hardware
Some of the best Double Burner Forges for Knife Making include regulators, hoses, or ball valves, while others require separate purchases. Check compatibility before buying so you don’t end up missing essential parts.
Portability and Build Quality
If you work in a garage, shared shop, or at events, weight and footprint matter. Stainless steel, cast-iron components, and solid door hardware can improve durability, but the overall design should still be easy to position and maintain.
Who Should Buy Which Double Burner Forges for Knife Making?
Beginners usually benefit from an all-in-one forge kit with a regulator and hose, since setup is simpler and there are fewer compatibility questions. Intermediate and advanced makers may prefer a larger chamber or higher-output model for longer blades and heavier workflow. If you mostly make small knives, a compact two-burner forge can be enough; if you want more flexibility for swords, tools, or batch work, choose a larger forge with stronger heat recovery. For the right shop, Double Burner Forges for Knife Making offer a strong balance of control, efficiency, and usable workspace.