Breville Joule Stainless Steel vs. Polycarbonate: What's the difference?

Discover the differences between Breville Joule Stainless Steel and Polycarbonate sous vide devices in terms of durability, price, and premium design.
Written by:
Spencer Lanoue

The Joule by Breville Stainless Steel and Polycarbonate sous vide devices share the same powerful cooking technology, but differ primarily in their exterior materials, durability, and price. The Stainless Steel model offers a premium, corrosion-resistant body that's built for longevity and a high-end look, while the Polycarbonate version provides a lightweight, more budget-friendly option that's slightly less durable over the long term.

Here’s a complete look at how these two sous vide cookers from Breville compare so you can decide which one is right for your kitchen.

Joule by Breville Stainless Steel

The Stainless Steel Joule is the premium offering in the lineup, designed for home chefs who value professional aesthetics and long-lasting durability. It features a sleek stainless steel body that not only looks great alongside other high-end appliances but also offers superior resistance to scratches, dents, and corrosion from frequent use.

  • What it is: A smart, app-controlled sous vide immersion circulator with a durable stainless steel body.
  • Key features: Precise temperature control, fast water heating, compact design, app-controlled operation, and a sleek, polished finish.
  • Price: Typically around $199–$249.
  • Style: Modern and professional. The sleek finish integrates seamlessly into kitchens with other stainless steel appliances.
  • Materials/Construction: The body is made primarily from high-grade stainless steel for a sturdy, premium feel.
  • Pros: Excellent durability and longevity. Modern, high-end aesthetic. Resists scratches, dents, and corrosion better than plastic. Feels substantial and well-built.
  • Cons: Carries a higher price tag. Slightly heavier than the polycarbonate model. Shows fingerprints and smudges more easily.

This model is ideal for frequent cooks who want a durable, long-term investment that matches a modern, professional kitchen aesthetic.

Shop this product: breville.com/us/en/products/cooking/joule.html

Joule by Breville Polycarbonate

The Polycarbonate Joule delivers the exact same sous vide performance as its steel counterpart but in a more lightweight and cost-effective package. Its body is constructed from high-quality, shatter-resistant plastic, making it a practical and versatile choice for everyday home cooking without the premium price.

  • What it is: A smart, app-controlled sous vide immersion circulator with a lightweight solid white polycarbonate body.
  • Key features: Shares the same precise temperature control, fast heating, and app-connectivity as the steel version.
  • Price: Usually priced slightly lower, around $179–$219.
  • Style: Clean, modern, and utilitarian. Its minimalist look fits a wide range of kitchen styles without standing out.
  • Materials/Construction: Made with a high-quality, durable polycarbonate plastic exterior.
  • Pros: More affordable price point. Lighter weight makes it easier to handle and store. Durable and shatter-resistant for typical kitchen use. Does not show fingerprints.
  • Cons: Less premium look and feel compared to stainless steel. Potentially more prone to scratches or discoloration over years of use.

The Polycarbonate Joule is perfect for those new to sous vide, budget-conscious buyers, or anyone who values a lightweight, no-fuss device.

Shop this product: breville.com/us/en/products/cooking/joule.html

Joule Stainless Steel vs. Polycarbonate Comparison

Materials & Construction

The core difference comes down to the body material. The Joule Stainless Steel is built for the long haul, its steel casing is highly resistant to corrosion, scratches, and the general wear and tear of a busy kitchen. It feels solid and substantial in your hand.

The Polycarbonate Joule, while made from a durable plastic, is inherently more susceptible to surface scratches over time. Though it's shatter-resistant and perfectly capable of handling the rigors of sous vide cooking, the stainless steel model is the clear winner for long-term durability and retaining its original appearance.

Style & Aesthetic

Aesthetics are a huge differentiator here. The Stainless Steel model has a sleek, professional appearance that feels at home in modern kitchens. It’s designed to visually complement other stainless steel appliances like refrigerators, ovens, and mixers.

The Polycarbonate Joule has a more utilitarian, minimalist look. It's clean and functional, but it doesn’t have the same premium feel. This can be an advantage in some kitchens, as its simple white finish can blend in more quietly than the metallic sheen of the steel version.

Price & Value

The Polycarbonate Joule is consistently the more affordable option, typically priced about $20-$30 less than the stainless steel model. Since the internal heating element, circulator, and smart technology are identical in both, the Polycarbonate version offers better pure performance-for-the-price value for shoppers on a budget.

The extra cost for the Stainless Steel Joule is purely for the upgraded external material. If you value a premium finish and superior durability, the slight price increase can be easily justified as a long-term investment in your kitchen toolbox.

Weight & Portability

While both models are compact and easy to store, there is a noticeable difference in weight. The Polycarbonate model is lighter, making it slightly easier to handle, store, and move around the kitchen. This lightness can be an advantage for those who plan to store their device in a drawer or cabinet between uses. The Stainless Steel model's extra weight contributes to its sturdy, premium feel but makes it a bit more substantial to handle.

Which One Should You Choose?

Both models deliver fantastic, identical cooking results, but they cater to different priorities.

Choose the Joule Stainless Steel if:

  • You want a premium, professional look that matches other high-end kitchen appliances.
  • Long-term durability and resistance to scratches are a top priority for you.
  • You are a frequent cook and view the device as a long-term kitchen investment.
  • You don't mind spending a little extra for a superior build quality and finish.

Choose the Joule Polycarbonate if:

  • You are working with a tighter budget and want the best price.
  • You're new to sous vide cooking and want a lower-cost entry point.
  • You prioritize a lightweight device that is easy to handle and move.
  • Functionality is your main concern, and you are less focused on premium aesthetics.

Frequently Asked Questions

What is the main difference between the Joule Stainless Steel and Polycarbonate models?

The only significant difference is the exterior material. The Stainless Steel model has a metal body, making it more durable, heavier, and more expensive. The Polycarbonate model has a high-quality plastic body, making it lighter and more affordable. Internally, their heating and circulation technology are identical.

Is there any performance difference between the two models?

No. Both the stainless steel and polycarbonate models use the exact same motor, heating element, and software. They will heat water at the same speed and hold temperatures with the same degree of accuracy.

Is the stainless steel Joule worth the extra money?

It depends on your priorities. If you value a high-end look that complements other appliances and the added durability that comes with a metal body, then the slightly higher cost is worth it. If you are purely focused on performance and budget, the Polycarbonate model is a better value.

How much lighter is the polycarbonate Joule?

While specific weights vary slightly by generation, the polycarbonate model is noticeably lighter. It makes it easier to handle and less cumbersome to store, which can be an advantage for those with limited kitchen space.

Are both models controlled by the same app?

Yes, both versions of the Breville Joule sous vide are controlled by the same Joule app. You will have access to the same recipes, settings, and features regardless of which model you choose.

Will the polycarbonate model stain or discolor over time?

The Joule is made from a high-quality polycarbonate that is resistant to staining and discoloration. However, like any plastic kitchen tool, extensive use with very color-rich foods over many years could potentially cause minor staining compared to stainless steel, which is virtually stain-proof.

Can both Joule models be used in any pot?

Yes. Both models are very compact and are designed to work in a variety of pots, from shallow pans to deep stockpots. They both feature a magnetic base that allows them to stand securely upright in many steel or iron pots without a clamp.

What is the warranty on Breville Joule devices?

As per Breville's policy, Joule devices typically come with a standard 1-year limited warranty that covers manufacturing defects. Policies can change, so it's always best to check the official Breville site at the time of purchase.

At Interior Insider, we're dedicated to curating the best in home decor, interior design, and home essentials to help you discover brands we think you'll love. Every brand we feature is independently selected by our editorial team based on quality, design, and craftsmanship. When you make a purchase through our links, Interior Insider may earn a commission - which helps support our small team and allows us to continue bringing you inspiration and expert advice for creating your perfect space.

Looking for more inspiration? Explore our curated design guides to find your next favorite piece.

Sub Title Icon
related

Similar Articles

No items found.