9 Best TIG Welders for Aluminum (November 2026)

The best AC/DC TIG welders for aluminum include the Sunstac 250A Aluminum TIG Welder with Pulse for pulse control on aluminum, the Weldpro 200A AC/DC TIG Welder with Pulse for hands-free current control, and the LOTOS TIG200ACDC 200A AC/DC Aluminum Tig Welder for square-wave AC and stick.

On this page (5 sections)

1. Which TIG welders for aluminum are worth comparing?
2. What should you compare in an AC/DC TIG welder for aluminum?
3. Can one AC/DC TIG welder handle aluminum and steel?
4. When is water cooling useful for TIG welding?
5. Which AC/DC TIG welder should you choose for aluminum?

The best TIG welder for aluminum needs AC TIG, with enough control for your material thickness and power supply. The Sunstac 250A stands out for AC pulse and spot modes, while Weldpro includes a foot pedal for hands-free amperage changes.

Our picks at a glance

1. 1
   Best for pulse control on aluminum

   Sunstac 250A Aluminum TIG Welder with Pulse

   9.4/10 our score

   See it on Amazon
2. 2
   Best for hands-free current control

   Weldpro 200A AC/DC TIG Welder with Pulse

   9.2/10 our score

   See it on Amazon
3. 3
   Best for square-wave AC and stick

   LOTOS TIG200ACDC 200A AC/DC Aluminum Tig Welder

   9.1/10 our score

   See it on Amazon

4. 4

   ARCCAPTAIN TIG Welder AC/DC 200A with Pulse

   Best for multiple aluminum waveforms
   Check it
5. 5

   YESWELDER 205A MIG Welder

   Best for aluminum MIG versatility
   Check it
6. 6

   FEMEROL Plasma Cutter Welder Combo 200A Gas

   Best for welding and plasma cutting
   Check it
7. 7

   S7 200A TIG Welder

   Best for DC TIG and steel
   Check it
8. 8

   YESWELDER 135A MIG Welder

   Best for portable flux-core work
   Check it
9. 9

   TOOLIOM 135A 110V Stick Welder Kit

   Best for basic stick and lift TIG
   Check it

Which TIG welders for aluminum are worth comparing?

The strongest aluminum TIG picks here have AC output, while the other machines suit steel, MIG or cutting jobs. We compared their stated modes, voltage options, controls and included accessories.

Our score weighs listed features and fit for aluminum work.

1

Sunstac 250A Aluminum TIG Welder with Pulse: Best for pulse control on aluminum

9.4/10Our score

• AC/DC TIG
• Pulse AC and pulse DC
• Up to 250A
• 110V/220V input

AC TIG is suited to aluminum and aluminum alloy, while pulse and spot modes add options for heat control. It also supports steel, copper and iron.

See it on Amazon

Pros

• AC and DC TIG modes
• Pulse and spot options
• Dual voltage input

Cons

• Foot pedal is not included
• AC current measurement can be inaccurate

The Sunstac is the most directly equipped AC/DC TIG welder for aluminum in this group. It supports high-frequency AC and DC, pulsed AC and DC, spot TIG and stick, with up to 250A output.

Its dual 110V/220V input gives you a choice of power setups. Sunstac gives aluminum thickness guidance of 5/32 in at 110V and 6/25 in at 220V, so match those figures to your planned work.

The LCD shows settings such as voltage and current. Pulse and spot modes offer extra ways to control heat, while a foot pedal can be used but isn't included.

One caveat is that the stated current measurement in AC mode can be inaccurate. Treat the control settings as a starting point and practice on scrap of the same alloy and thickness.

Choose it if you want AC TIG with several pulse and spot options. Check whether you need to buy a compatible pedal separately.

2

Weldpro 200A AC/DC TIG Welder with Pulse: Best for hands-free current control

9.2/10Our score

• AC/DC TIG
• AC/DC pulse
• Included foot pedal
• 110V/220V input

AC TIG, adjustable AC balance and an included foot pedal make it a strong aluminum option. Pulse settings are available for work where heat input needs control.

See it on Amazon

Pros

• Foot pedal included
• AC balance and pulse settings
• Dual voltage input

Cons

• Heavier than the other TIG picks here
• Confirm input and outlet requirements for your setup

The Weldpro combines AC/DC TIG, pulse modes and stick welding in a dual-voltage machine. Its AC balance, frequency and pulse settings give you adjustment options for aluminum, while DC modes cover steel.

The included rocker-style foot pedal allows amperage changes while you weld. The machine also includes a TIG torch, gas hose and flow meter, plus tungsten electrodes and common torch consumables.

Weldpro lists 0.5–200 Hz pulse frequency and a 40% duty cycle at full 200A output. Check the manual and your power supply before planning long welds at high amperage.

Choose this model if a pedal in the package matters. Its listed weight is 61.8 lb, so account for that if you'll move it between work areas.

3

LOTOS TIG200ACDC 200A AC/DC Aluminum Tig Welder: Best for square-wave AC and stick

9.1/10Our score

• 200A square-wave AC
• AC/DC TIG
• DC stick mode
• Foot pedal included

The square-wave inverter and foot pedal support aluminum TIG work, while DC stick mode adds an option for steel projects. Its package includes an argon regulator.

See it on Amazon

Pros

• Square-wave AC for aluminum
• Foot pedal and argon regulator included
• DC stick mode

Cons

• Check compatibility with your exact power supply
• No pulse mode is specified

The LOTOS TIG200ACDC combines 200A square-wave AC TIG for aluminum with DC TIG and stick modes. The package includes a foot pedal and argon regulator, which can reduce the number of accessories you need to source separately.

Its input supports 110/120V and 220/240V, and the TIG output range is 10–200A. LOTOS also describes it for stainless steel and mild steel, making it a practical option if your work moves between materials.

This model does not specify pulse control. Choose it if square-wave AC, a pedal and DC stick matter more than pulse modes.

For a broader look at process choices, compare the best welder for aluminum and steel. If your main material is stainless, see our best welding machine for stainless steel guide.

4

ARCCAPTAIN TIG Welder AC/DC 200A with Pulse: Best for multiple aluminum waveforms

9.0/10Our score

• AC/DC TIG
• Pulse, square and triangular waveforms
• Spot TIG
• Aluminum and steel use

Several AC waveform choices give aluminum work more adjustment options, and DC TIG supports steel projects. It also offers pulse and spot modes.

See it on Amazon

Pros

• Square and triangular waveform options
• Adjustable AC balance and frequency
• Supports aluminum and steel

Cons

• Foot pedal is not included
• Confirm input voltage and accessory needs

The ARCCAPTAIN offers AC and DC TIG with square and triangular pulse waveforms, plus spot TIG and stick. Its AC settings include adjustable balance and frequency, which give aluminum work more control options.

The machine supports aluminum and several steel types, with a large display for settings. A foot pedal remote control is optional, so confirm compatibility if you want to adjust current with your foot.

The maker describes the square waveform as helping clean aluminum oxide and the triangular waveform as reducing heat input. Those modes set this welder apart from simpler AC/DC machines.

Choose ARCCAPTAIN if waveform choices are a priority. For steel-only TIG comparisons, see our best TIG welder for stainless steel guide.

5

YESWELDER 205A MIG Welder: Best for aluminum MIG versatility

9.6/10Our score

• Spool gun MIG for aluminum
• Gas and flux-core MIG
• 110V/220V input
• Lift TIG and stick

This multi-process machine offers spool gun MIG for aluminum, with gas MIG, flux-core MIG, lift TIG and stick modes. The spool gun and lift TIG torch are additional requirements.

See it on Amazon

Pros

• Spool gun MIG mode for aluminum
• Dual voltage input
• Synergic and manual MIG controls

Cons

• Spool gun required for aluminum MIG
• Lift TIG torch required for lift TIG

This YESWELDER is a MIG-first alternative for buyers who want aluminum capability without choosing an AC/DC TIG machine. For more on this machine, read the MIG-205DS Pro review.

Its five processes include spool gun MIG for aluminum, gas MIG, flux-core MIG, lift TIG and stick.

You need to buy a spool gun for aluminum MIG, and a lift TIG torch is also required for that mode. The unit accepts 110V or 220V and offers synergic and manual wire-feed controls.

Choose it when MIG versatility matters more than TIG control. Read our best MIG welder for stainless steel roundup if stainless steel MIG work is your priority.

6

FEMEROL Plasma Cutter Welder Combo 200A Gas: Best for welding and plasma cutting

9.3/10Our score

• 6-in-1 machine
• HF TIG
• MIG and stick
• Plasma cutting

This combo includes HF TIG for steel work alongside MIG modes, stick welding and plasma cutting. Its aluminum capability is described for cutting, not as an AC TIG function.

See it on Amazon

Pros

• HF TIG and several other processes
• Plasma cutting included
• Dual voltage input

Cons

• No AC TIG mode specified for aluminum TIG
• A larger, heavier package

The FEMEROL combo is for buyers who need several welding processes and plasma cutting in one machine. It includes HF TIG, MIG modes, stick, spot welding and a plasma cutter that can cut aluminum, among other metals.

Its aluminum mention is for plasma cutting, not AC TIG welding. The listed TIG mode is HF TIG, so choose a dedicated AC/DC TIG model if aluminum TIG is the main job.

The machine supports 110V/220V and includes a TIG torch, MIG torch, plasma torch and air filter regulator. Those functions and accessories make it a broad workshop option, though the package weighs 42 lb.

Choose it if cutting and several welding processes matter more than a focused aluminum TIG setup.

7

S7 200A TIG Welder: Best for DC TIG and steel

9.7/10Our score

• DC TIG and stick
• 110V/220V input
• 200A output
• TIG accessories included

DC TIG and stick suit steel work, and the dual voltage design fits different workshop power setups. It does not specify AC TIG for aluminum.

See it on Amazon

Pros

• DC TIG and stick in one machine
• Dual voltage input
• TIG torch and common accessories included

Cons

• No AC TIG mode specified
• Not the right match for aluminum TIG

The S7 is a DC TIG and stick welder for steel-focused work, with 110V/220V input and up to 200A output. It includes a TIG torch, ground clamp and electrode holder.

It does not specify AC TIG, so it isn't the right fit for aluminum TIG welding. The dual-voltage design and compact inverter format may suit garage repairs and mild steel projects.

Choose it as a separate steel machine if you already have an aluminum-capable welder or don't need to weld aluminum. For general buying factors, read How to Choose a Welding Machine – Explained.

8

YESWELDER 135A MIG Welder: Best for portable flux-core work

9.5/10Our score

• 110V flux-core MIG
• Lift TIG and stick
• 135A output
• Flux-core wire included

This compact 110V machine suits flux-core work on mild steel and also offers stick and lift TIG. It does not specify AC TIG for aluminum.

See it on Amazon

Pros

• Flux-core wire included
• Three welding processes
• Portable design

Cons

• No AC TIG mode specified
• Lift TIG torch required for that mode

The YESWELDER 135A is a 110V flux-core MIG machine with stick and lift TIG modes. See our best value flux core welders for more gasless wire-feed choices.

It includes flux-core wire and suits mild steel work up to 3/32 in, according to its stated capacity.

It does not specify AC TIG for aluminum. The lift TIG torch is an extra purchase, so count that cost and accessory need if you plan to use that process.

Choose it for portable steel work where a standard 110V outlet and flux-core setup fit your needs. If this is your first wire-feed machine, see our welder guide for beginners.

If you're comparing simple household wire-feed options, see our best 110 volt wire feed welder guide.

9

TOOLIOM 135A 110V Stick Welder Kit: Best for basic stick and lift TIG

8.9/10Our score

• 135A stick output
• 110V input
• Lift TIG torch included
• Rods and gloves included

This kit includes a lift TIG torch, rods and gloves for basic steel-focused work on 110V. It does not specify AC TIG for aluminum.

See it on Amazon

Pros

• Lift TIG torch included
• Rods and gloves included
• Compact with shoulder strap

Cons

• No AC TIG mode specified
• No dual voltage input

The TOOLIOM kit supports stick and lift TIG on 110V, with a lift TIG torch, rods and gloves included. Its 135A output and compact carry design suit basic steel jobs.

It does not specify AC TIG for aluminum, so it belongs at the bottom of an aluminum-focused shortlist. Choose it only if steel stick welding is the main need and aluminum TIG is not part of the plan.

For stainless steel technique and material prep, read how to weld stainless steel.

What should you compare in an AC/DC TIG welder for aluminum?

For aluminum, first confirm AC TIG, then compare power input, amperage range, control features and included accessories. Those details decide whether the machine fits your material and workshop.

AC TIG is the key mode in an AC/DC TIG welder for aluminum. DC TIG is useful for steel, while a machine with both modes can cover more than one material.

Check the power supply before focusing on maximum amperage. A dual-voltage machine can use different input options, but you still need the right circuit, plug and adapter for the work.

For work away from utility power, compare portable welder generators.

Pulse, AC balance and waveform choices can help you adjust the arc for the material and joint. More settings add flexibility, though they also take time to learn.

Look at the pedal and torch package. A foot pedal is included with the Weldpro and LOTOS, while the Sunstac and ARCCAPTAIN list it as optional or not included.

Can one AC/DC TIG welder handle aluminum and steel?

Yes, an AC/DC TIG machine can cover aluminum and steel when it provides AC TIG and DC TIG modes. Check that its input power, output range and torch setup fit the thickness and joint you plan to weld.

The Sunstac, Weldpro, LOTOS and ARCCAPTAIN all specify AC/DC TIG. Each also includes DC TIG, so one machine can serve aluminum and steel work.

You may still want a separate setup for frequent MIG or stick jobs. A multi-process machine trades some specialization for fewer separate machines, and accessories can affect the total setup.

For more process comparisons across both metals, use our best welders for aluminum and steel guide. Stainless steel has its own process and heat-control needs, covered in how to weld stainless steel.

When is water cooling useful for TIG welding?

Water cooling can suit longer or higher-current TIG work when torch heat becomes a concern. Compare the torch rating, duty cycle and cooling requirements before adding a cooler to your setup.

The welders here have different package and control choices, but none should be assumed to include a water cooler unless specified. Check compatibility before buying a separate cooling system.

Our water cooled TIG welder guide explains when that setup may make sense.

Which AC/DC TIG welder should you choose for aluminum?

Choose the Sunstac if you want AC/DC TIG with pulse and spot modes, Weldpro if an included foot pedal is your priority, or LOTOS if square-wave AC and DC stick suit your mix of work. For waveform choices, consider ARCCAPTAIN.

A TIG AC/DC aluminum welder should clearly specify AC TIG. If it lists only DC TIG, stick, MIG or plasma cutting, it may handle other metal jobs but does not meet the core aluminum TIG requirement.

If stainless is your main material, compare our best TIG welders for stainless steel and best MIG welders for stainless steel guides before choosing a process.

Our top 3 picks at a glance

1. 1
   Best for pulse control on aluminum

   Sunstac 250A Aluminum TIG Welder with Pulse

   9.4/10 our score

   See it on Amazon
2. 2
   Best for hands-free current control

   Weldpro 200A AC/DC TIG Welder with Pulse

   9.2/10 our score

   See it on Amazon
3. 3
   Best for square-wave AC and stick

   LOTOS TIG200ACDC 200A AC/DC Aluminum Tig Welder

   9.1/10 our score

   See it on Amazon

Frequently asked questions

Do you need AC TIG to weld aluminum?

For common aluminum TIG work, choose a machine with AC TIG. The alternating current helps address the oxide layer on aluminum, while DC TIG is commonly used for steel.

Check that the welder's modes clearly include AC TIG before choosing it for aluminum.

Can an AC/DC TIG welder also weld steel?

Yes. An AC/DC TIG welder can use DC TIG for steel and AC TIG for aluminum, if it supports those modes and has suitable settings for your work.

Confirm the machine's input power, output range and torch setup for the material and thickness you plan to weld.

Is a foot pedal necessary for aluminum TIG?

A foot pedal is useful for changing amperage while welding, but it isn't the only way to control heat. Some machines support torch controls or other operating modes.

Check whether the pedal is included, optional or unsupported, and whether the machine requires a compatible accessory.

Can a MIG welder weld aluminum?

Some MIG welders support aluminum with a spool gun, which helps feed soft aluminum wire. The YESWELDER 205A supports spool gun MIG, but the spool gun is required separately.

A MIG machine isn't an AC TIG welder, so compare the process with the finish and control your job needs.

When should you consider a water-cooled TIG welder?

Consider water cooling when your torch and welding workload call for more heat management during longer or higher-current work. Check the welder's duty cycle, torch rating and cooling setup together.

Our water cooled TIG welder guide explains what to compare.