What Is an Induction Hob and How Does One Work?

What Is an Induction Hob?

An induction hob is similar to an electric hob, with a couple of key differences. Induction hobs use less power and remain cold until they come into contact with a pan with a magnetic base. Coils underneath the surface of the hob create an electromagnetic field, which is activated by the pan to produce heat.

Shop all Induction hobs

What Does an Induction Hob Look Like?

An induction hob has a smooth black surface made from toughened ceramic glass, just like a ceramic electric hob. In fact, you usually can't tell if a hob is an induction hob just by looking at it - it's only when you use it that you'll notice the difference.

What Is the Difference Between an Induction Hob and a Ceramic Hob?

How Does an Induction Hob Work?

If you're struggling to get your head around the science behind how induction hobs work, you're not alone. To put it simply, induction means generating electricity using magnetism.

Underneath the surface of the glass is a coil of metal. When electricity passes through it, a magnetic field is created. When a pan with a magnetised base is placed on top, the circuit is completed, and the hob begins to heat the pan directly. Apart from some residual heat from the pans, the hob itself remains cool. Let's have a look at the process step by step:

1. Electricity passes through a coil beneath the surface.
2. A magnetic field is created.
3. The pan completes the circuit.
4. Heat is generated directly in the pan.

Which Pans Can I Use With an Induction Hob?

Pans used on an induction hob must be made from a ferrous metal - one that contains iron particles, such as stainless steel or cast iron. Other materials, such as aluminium, copper, glass and ceramic, will only work on an induction hob if they have a ferrous (also called 'ferromagnetic') base.

Confused about whether your current pans are suitable for an induction hob? Before you start looking into a new set of cookware, there's a really simple way to check - just hold a magnet to the bottom of the pan. If it sticks, you're good to go.

What happens if you use a normal pan on an induction hob?

Electricity only works if it forms a circuit, and a pan made from ferrous metal, or with a ferrous metal base, is needed to complete the circuit. Without the right pan, no circuit will be created, and no heat will be generated. So if you use a normal pan on an induction hob, it just won't work. It's as simple as that.

Should I Choose an Induction Hob?

If you're wondering whether you should choose an induction hob, here are a few things to think about:

• Exceptional efficiency
• Fast heat response
• Higher upfront cost

Induction Hob Benefits

Induction hobs have several key advantages over gas and conventional electric models, and efficiency has to be the main one. But here are a few more:

Fast and responsive: They heat and cool down quickly and offer precision temperature control: good news for anyone serious about food and cooking, as well as those of us who are just in a hurry to eat.

Energy efficient: Less energy wasted equals lower electricity bills.

Safer to use: There's no naked flame and no heated element to cause burns. When pans are removed, the hob stops heating up

Sleek and modern looking: With their minimalist look, they'll fit right into your kitchen.

Easier to clean: That flat, smooth surface means there's nowhere for food and grime to hide. Plus, the hob itself remains relatively cool to the touch, so spills and splatters won't bake onto the surface.

Induction Hob Disadvantages

So what are the disadvantages? We always like to warn people that, because induction hobs heat food more quickly than other methods, you might find yourself overcooking things at first. We can't think of many more, but here are a few things to consider:

Can be a little too efficient: Expect an overcooked dinner or two until you get used to your superfast new hob.

Often costs more than gas or electric: The technology is still relatively new in comparison to standard electric and gas, hence a higher price. But they're becoming more affordable as more people make the switch.

Need compatible pans: Most cookware is compatible with induction hobs, but older pans may not be. Check pans are marked 'induction safe' or check the bottom with a magnet.

Can sometimes make a rattling or whirring sound: This is a result of the energy transferring from the coil to the pan.

May scratch more easily: Manufacturers recommend using clean, flat-bottomed pans and avoiding sliding them on the surface of the hob, as well as avoiding sharp tools or abrasive cleaning products.

Is an Induction Hob Right for Me?

Even though induction hobs take a little getting used to, they offer some brilliant benefits for seasoned chefs and amateur cooks alike.

They're faster, adjust better to changes in temperature and cool down in no time at all. They're incredibly energy efficient, delivering energy savings that go some way to compensate for the higher purchase cost. And they're even safer than gas or electric - great if you're often multitasking, or have children who love to help out in the kitchen.

Ultimately, the decision comes down to personal preference. Some people prefer gas hobs because they're good for things like stir-frying and searing steak. Or you might like the fact that ceramic hobs give you a high-end look for a budget-friendly price. And if you have a small kitchen, a space-saving domino hob could be the one for you.

Check out our kitchen hob buying guide for more tips on choosing your new hob.

Choose From a Range of Induction Hob Brands

At Marks Electrical, we have induction hobs from some of the biggest brands on the market, including Bosch, Hisense, AEG and more. Find your new induction hob today, and it'll be with you in no time with our speedy delivery options.

Induction Hob FAQs

If you can't find the answers to your questions above, read our FAQs below for more information:

Do I need special pans for an induction hob?

Yes - induction hobs only work with cookware that has a magnetic base. You can test your existing pans by seeing if a magnet sticks to the bottom; if it does, they'll work on an induction hob.

Can induction hobs be installed anywhere?

Generally, yes, as long as there's a suitable electrical connection. However, we can take installation off your hands, so you don't need to worry

How do induction hobs compare to gas or ceramic hobs?

They're faster and more energy-efficient, often providing precise temperature control and quicker response times. The main drawbacks are higher upfront costs and the need for compatible cookware.

Do induction hobs make noise when cooking?

You might hear a faint humming or clicking sound, especially at higher power levels. This is completely normal and is caused by the magnetic field and vibrations between the cookware and the hob.

How easy are induction hobs to clean?

They're incredibly easy to clean. The flat surface means there's less for dirt and grime to get stuck on, so you can just wipe clean any spills. And because the hob itself doesn't heat up, spills won't get baked on, so there's no need for scrubbing.