3 Best Welders for Aluminum in 2026
MIG welders that take a spool gun for aluminum wire.
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The quick list
The most welder for the money here.
The closest rival to the MIG200: dual voltage, five processes and a digital display.
The pro brand's 120V welder: pick your wire and metal thickness and Auto-Set dials in the rest.
To weld aluminum with a MIG welder you need a spool gun and argon gas. The Arccaptain MIG200 and YesWelder MIG-205DS PRO both support a spool gun, and the Millermatic 142 is spool gun ready. The Arccaptain MIG135 and Forney Easy Weld 141 are flux-core welders and can't do aluminum.
A MIG welder is the easiest way to start welding at home. We compared five popular machines from Arccaptain, YesWelder, Forney and Miller on price, output, processes and how easy they are to set up.
1. Arccaptain MIG200 Multi-Process MIG Welder
The most welder for the money here.
Specifications
- Input: 110V/220V
- MIG output: 30-160A (110V), 30-200A (220V)
- Duty cycle: 60%
- Processes: gas MIG, flux core, stick, lift TIG, spot, spool gun
- Weight: 28.2 lbs
Today's best deal
Reasons to buy
- Dual voltage, up to 200A
- Gas, gasless, stick and lift TIG
- Synergic auto settings
- $150 off list
Reasons to avoid
- Spool gun and TIG torch sold separately
- Not compatible with a foot pedal
It runs on a 110V household outlet and steps up to 200 amps on 220V, so it grows with you from sheet metal to thicker plate.
Synergic mode sets wire speed and voltage for you once you pick wire size and material, which takes most of the guesswork out of the first few weeks. Add a spool gun later for aluminum.
2. YesWelder MIG-205DS PRO 5-in-1 MIG Welder
The closest rival to the MIG200: dual voltage, five processes and a digital display.
Specifications
- Input: 110V/220V
- Output: up to 205A
- Processes: gas MIG, flux core, spool gun MIG, lift TIG, stick
- Display: LED digital
Today's best deal
Reasons to buy
- Dual voltage
- Five processes incl. spool gun
- Amazon returns
Reasons to avoid
- Lift TIG torch often sold separately
- Price changes often
YesWelder is one of the most-bought budget welder brands on Amazon.
A strong pick if you want Prime shipping and Amazon returns. Spec for spec it lines up with the Arccaptain, so compare the two prices on the day you buy.
3. Miller Millermatic 142 MIG Welder (907838)
The pro brand's 120V welder: pick your wire and metal thickness and Auto-Set dials in the rest.
Specifications
- Input: 120V, 20A
- Output: 30-140A
- Duty cycle: 60% at 100A
- Welds: 24 ga to 3/16 in. steel
- Process: MIG and flux core
- Weight: 33 lb
Today's best deal
Reasons to buy
- Auto-Set does the setup for you
- 60% duty cycle at 100A
- Spool gun ready
Reasons to avoid
- Costs far more than the others
- Tops out at 3/16 in. steel
The Millermatic 142 runs MIG with gas or flux core, has a strong 60% duty cycle at 100 amps and is spool gun ready. It comes with a gas regulator, a 10 ft gun and a 3-year warranty on the welder.
Compare them side by side
| Welder | Price | Input | Max output | Processes |
|---|---|---|---|---|
| Arccaptain MIG200 | $349.99 | 110V/220V | 200A | MIG, flux, stick, TIG, spool gun |
| YesWelder MIG-205DS PRO | $480 at YesWelder | 110V/220V | 205A | MIG, flux, stick, TIG, spool gun |
| Arccaptain MIG135 | $119.99 | 110V | 135A | Flux, stick, TIG |
| Forney Easy Weld 141 | $259.99 at Forney | 120V | 140A | Flux only |
| Millermatic 142 | $1,141 at Miller | 120V | 140A | MIG, flux, spool gun ready |
How to choose
Gas or gasless. Flux-core (gasless) works outdoors and needs no bottle. Gas MIG gives cleaner welds on thin metal but needs a cylinder and regulator.
110V or 220V. A 110V machine plugs in anywhere. Dual-voltage welders reach 200A on a 220V dryer-style outlet for thicker steel.
Duty cycle. It's how many minutes out of 10 a welder can run at a given amperage. 20% at 90A means 2 minutes on, 8 off.
Room to grow. Stick and lift TIG modes let one machine handle rusty farm steel and neat stainless work later.
The bottom line
For most home and garage welders, the Arccaptain MIG200 at $349.99 is the best buy: 110V/220V, up to 200 amps, gas or gasless MIG plus stick and lift TIG, and $150 off list. On a tight budget, the Arccaptain MIG135 at $119.99 handles gasless repairs. Prefer Amazon? The YesWelder MIG-205DS PRO is the closest match.
Claim $150 off at ArccaptainMore guides like this
How we pick
We line up the models people actually buy and compare them on value, capability, ease of use, power and portability.