When Should You Choose a 2 Burner Smelting Furnace?

April 6, 2026 Neels Van Den Berg

When choosing a smelting furnace, one of the biggest decisions is whether you need a single-burner setup or something more powerful. Black Dragon Forge sells both a Smelting Furnace (1 Burner) and a Smelting Furnace (2 Burner), which makes it clear that different smelting users have different needs depending on melt size, speed, and workflow. The 2 Burner model is presented as the Black Dragon Double Burner Metal Smelting Furnace and is described as reaching maximum smelting temperature in half the time of the standard single-burner version.

Choose a 2 Burner Furnace When Faster Heat-Up Time Matters

One of the clearest reasons to choose a 2 burner smelting furnace is speed. Black Dragon Forge specifically says the Double Burner Metal Smelting Furnace is designed to reach maximum smelting temperature in half the time of the standard single-burner version. That makes it especially relevant for users who want to reduce waiting time and move through melts more efficiently. If faster turnaround matters in your workshop, a 2 burner setup becomes much easier to justify.

Choose It When You Want More Melting Power

The 2 burner model is also the better fit when you want a furnace built around higher-output melting performance. According to the product page, the furnace is powered by LP gas and can reach temperatures of up to 1800°C. Black Dragon Forge positions it as a furnace for metal smiths, jewellers, and refiners who want to enhance productivity, and says it can be used for metals including aluminum, copper, brass, gold, and silver. That makes it a strong option when your focus is not just getting started, but building a more capable smelting setup from the beginning.

Choose It When You Need a More Complete High-Capacity Setup

A 2 burner furnace makes the most sense when the rest of your setup is also aimed at more demanding smelting work. Black Dragon Forge includes the following with the Smelting Furnace (2 Burner): 1 foundry chamber, 1 foundry lid, 1 spacer block, 2 high-pressure LP gas regulators, 2 Dragon Burners, 2 one-meter LPG hoses, 4 hose clamps, and 1 printed setup guide. The page notes that LP gas cylinders, crucibles, ingot molds, and crucible tongs are not included. That package shows the furnace is not positioned as a minimal entry-level item. It is a more substantial smelting system built around dual-burner operation.

Choose It When You Want Crucible Flexibility

A larger or more capable furnace setup is more useful when it works across multiple crucible sizes. Black Dragon Forge says the 2 burner furnace is compatible with A6, A8, and A10 crucibles. The page also lists example capacities for each crucible size, including A6 at 1.2 liters, A8 at 1.7 liters, and A10 at 2.4 liters. That matters because a 2 burner furnace is not only about raw heat. It is also about giving the user room to work across different melt sizes within the same broader system.

Choose It When You Are Melting a Wider Range of Metals

A 2 burner smelting furnace is also a sensible choice when you want a setup aimed at broader metal-melting applications. The product page says the furnace can melt a wide range of metals, provided their melting points are below 1350°C, and gives examples including aluminum, copper, brass, gold, silver, bronze, zinc, tin, and lead. The page also notes that it is not suitable for melting fine grain aluminum powder. That makes the 2 burner option especially relevant for users who want to work across different metals and not just one narrow use case.

Choose It When Stability and Build Strength Matter

The furnace is also presented as a heavy-duty unit. Black Dragon Forge says the Double Burner Metal Smelting Furnace has a 2 mm thick steel body, a chamber diameter of 200 mm, a height of 260 mm, outside dimensions of 300 mm by 300 mm by 400 mm, and a weight of approximately 48 kg. The page describes this as providing durability, longevity, and stability during operation. That suggests the 2 burner model is aimed at users who want a more robust furnace platform, not just a lighter-duty melting option.

When a 2 Burner Furnace Makes More Sense Than a Smaller Setup

A 2 burner furnace makes more sense when your priorities are faster heating, more output, and more flexibility across crucible sizes and metals. Because Black Dragon Forge also sells the Smelting Furnace (1 Burner), A6 and A8 Smelting Starter Kits, and the 2 Burner model in the same furnaces collection, the product range itself suggests a progression from smaller or simpler systems toward more capable ones. That is an inference based on how the furnaces collection is structured. So if you already know you want a stronger, faster furnace setup, the 2 burner version is the more natural option.

Final Thoughts

You should choose a 2 burner smelting furnace when you want faster heat-up times, higher-output melting performance, and a furnace that supports a wider-capacity crucible range and more demanding smelting work. On Black Dragon Forge, the Smelting Furnace (2 Burner) is clearly positioned that way. It is described as reaching maximum temperature in half the time of the single-burner version, includes two regulators and two Dragon Burners, supports A6, A8, and A10 crucibles, and is built as a heavy-duty LP gas furnace for serious melting work. If your smelting setup needs more speed and more power from the start, the 2 burner furnace is the stronger choice.