Induction vs Ceramic Glass Cooktops: A Complete Comparison
Both induction and ceramic glass cooktops have a flat, smooth glass surface that looks similar. But the technology beneath the surface is completely different — and those differences have real implications for cooking performance, safety, cleaning and running costs. This guide explains everything you need to know.
How Each Technology Works
Ceramic Glass (Radiant)
A ceramic glass cooktop uses conventional electric heating elements beneath a smooth glass-ceramic surface. The elements heat up, that heat radiates through the glass surface and into your cookware. The glass surface itself becomes very hot during use and stays hot for a while after the element is turned off.
Induction
An induction cooktop uses electromagnetic coils beneath the glass surface. When you place a ferrous (magnetic) pot or pan on the zone, the electromagnetic field induces an electric current directly in the pan base, generating heat in the cookware itself. The glass surface only gets warm from contact with the hot pan base — it doesn't heat up independently.
Key Comparison
| Feature | Ceramic Glass (Radiant) | Induction |
|---|---|---|
| Heating speed | Moderate (1–2 min to full heat) | Very fast (seconds to full heat) |
| Temperature control | Good | Precise and immediate |
| Energy efficiency | ~70–75% | ~85–90% |
| Surface temperature | Gets very hot (burn risk) | Surface stays near cool |
| Cleaning | Easy (flat surface) | Easier (surface barely heats) |
| Cookware compatibility | Any flat-bottomed cookware | Requires magnetic (ferrous) pans |
| Price range | $400–$1,500 | $600–$3,000+ |
| Safety | Hot surface hazard | Much safer (no hot surface) |
Induction Advantages
- Speed: Boiling 2L of water in under 3 minutes is typical. Ceramic glass takes 5–7 minutes for the same task.
- Precision control: Induction responds instantly to temperature changes — like gas, but with greater precision at low temperatures (perfect simmering, chocolate melting).
- Safety: The glass surface doesn't heat up, so accidental contact burns are largely eliminated. Particularly good for households with young children or elderly members.
- Energy efficiency: Induction wastes significantly less energy as heat to the ambient air.
- Easier cleaning: Spills that fall on a cool surface are much easier to clean than spills burnt onto a hot ceramic element.
Ceramic Glass Advantages
- Cookware flexibility: Works with any flat-bottomed cookware regardless of material. Induction requires magnetic pans.
- Lower purchase price: Ceramic glass cooktops are significantly cheaper at the same size and zone count.
- Simpler technology: Fewer components, potentially lower repair costs.
Do I Need to Replace My Cookware for Induction?
Most stainless steel pans work on induction. Cast iron works. Carbon steel works. What doesn't work: aluminium, copper and ceramic or glass cookware. Test your existing pans by holding a fridge magnet to the base — if it sticks, it works on induction. Many households find they need to replace 1–2 non-compatible pans.
Shop Cooktops at Oceania Appliances
We stock induction and ceramic glass cooktops from Bosch, Electrolux, Fisher & Paykel, Westinghouse, Miele and other leading brands, in 60cm, 75cm and 90cm widths. Free delivery across Sydney. Visit 2/14 Centre Place, Wetherill Park, call or WhatsApp 0422 489 492, or email support@oceaniaappliances.com.au. Open 7 days, 10am–8pm.