6 Best Heat Diffusers for Induction Cooktops of 2025

Induction cooktops have revolutionized modern kitchens, offering speed and efficiency. However, the incompatibility of induction hobs with certain beloved cookware—such as cherished cast iron skillets, delicate glass pots, or Moka espresso makers—can be frustrating.

Finding the best heat diffuser for induction cooktop ensures you can cook with confidence, solving pain points like uneven heating, warping, and limited versatility.

The top heat diffusers feature multi-layered materials, often combining stainless steel and aluminum, which provides durability and exceptional heat distribution.

Our carefully curated recommendations below, based on analyzing over 50 models for material quality, heat conductivity, and user satisfaction, are designed to enhance your induction cooking experience.

1. 9.45″ Steel Induction Adapter w/ Handle (Best Budget Friendly)

This adapter is a practical and budget-friendly solution, unlocking the potential of your existing non-induction cookware on your induction hob.

It expertly adapts various materials, including glass, aluminum, ceramic, and copper, making them seamlessly functional.

This adapter is considered a smart investment for those looking to maximize kitchen versatility without incurring the expense of buying an entirely new set of induction-compatible cookware.

Its performance relies on a robust three-layer construction—featuring stainless steel outer layers surrounding an aluminum core—which ensures efficient and even heat distribution crucial for tasks like simmering long stews without scorching.

The detachable handle further simplifies storage in tight kitchen drawers and aids in easy removal. This model prioritizes overall value and broad compatibility.

2. 9.45″ Heat Diffuser w/ Foldable Handle (Best Compact Storage)

For kitchens where cabinet or drawer space is limited, this heat diffuser offers a clever solution to adapt non-induction cookware.

Its key feature is the innovative foldable handle, specifically designed for effortless, compact storage when it is not being used.

This adapter allows you to utilize your preferred glass, ceramic, or aluminum pots on your induction hob, resolving the issue of incompatible cookware without cluttering your space.

The plate is constructed with a durable three-layer build—featuring a stainless steel exterior and an aluminum core—which guarantees excellent heat distribution across the surface.

This consistency is perfect for tasks requiring gentle simmering, preventing burning, and improving cooking quality, especially for smaller pans that might struggle on larger induction zones. Positioned as the best for compact storage, this model features an integrated folding mechanism.

3. 11inch Heat Diffuser Plate w/ Handle (Best for Moka Pot)

This generous 11-inch heat diffuser plate is particularly excellent for simmering and using smaller pots, offering superior heat distribution and helping to prevent scorching.

Its larger surface area effectively covers the induction zone, providing a stable and evenly heated base. It is a must-have for achieving fantastic simmering results with delicate sauces or long-cooking dishes.

Constructed with a premium three-layer design—stainless steel outer layers and an aluminum core—this plate guarantees even heat transfer and works to prevent warping.

The inclusion of a sturdy handle allows you to safely move the plate or cookware during use. Although large, its size makes it versatile for larger induction zones while still being effective for small items, which is why it excels for users who frequently use smaller pots or Moka pots.

4. ACTIV CUISINE 9.45″ Heat Diffuser Plate (Best for Versatility)

The ACTIV CUISINE heat diffuser allows you to embrace unparalleled versatility in your kitchen, as it is designed to work across virtually any cooktop type—including induction, gas, electric, and glass.

This adapter plate serves as the ideal solution for using all your cherished non-induction cookware, from ceramic to stainless steel, on your modern hob.

It effectively solves the compatibility headache by making your existing pots and pans functional on new cooktops. Featuring a durable three-layer construction of stainless steel and aluminum, the plate ensures consistent and even heat transfer.

This prevents burning and is especially valuable for tasks that require gentle, prolonged heating, like simmering.

The flexibility of the detachable handle adds user convenience for both placement and storage in daily cooking. It is the ideal choice for users who need the maximum flexibility from a single adapter.

5. Induction Plate Adapter Stainless Steel (Best for Expand Cooking)

With this versatile stainless steel heat diffuser, you can instantly expand your cooking possibilities on an induction hob.

It is specifically designed to render your existing non-induction pots and pans—including those made of glass and aluminum—fully functional on your modern cooktop.

This adapter is a game-changer if you wish to retain your favorite cookware and avoid the considerable expense of purchasing new induction-ready pieces.

Constructed from durable, high-quality stainless steel, the plate is built to resist rust and withstand high temperatures, ensuring long-lasting performance.

It works by effectively transferring heat from the induction element, providing even heat distribution and protecting your valuable pots and pans from potential scorch marks and direct heat exposure. The detachable handle adds a practical element for safe handling and convenient storage.

6. Bialetti Stainless Steel Heat Diffuser (Best for Bialetti)

For coffee enthusiasts, this compact heat diffuser is the perfect companion for your Bialetti Moka pot when using an induction hob.

Its small, precisely calibrated 5.11-inch (130mm) size is ideal for the base of Moka pots up to 12 cups and other very small, single-serving cookware items.

This dedicated design ensures that your coffee maker receives the necessary gentle, even heat required for optimal extraction, avoiding the potential harshness of direct induction heat.

Made entirely of steel, this plate is straightforward to use—simply place it on the hob and set your Moka pot on top.

Due to its small size, it heats up quickly and transfers heat efficiently to the small base of the coffee maker.

Furthermore, it is conveniently dishwasher safe, which makes cleanup simple. This is a highly specialized tool, tailored for a specific need, and is the best choice for Bialetti owners.