Induction cooktops have four main downsides: they require magnetic cookware, demand a dedicated electrical circuit, carry higher upfront costs than gas or electric alternatives, and produce a high-pitched hum under certain loads.
The cookware restriction is the most immediate barrier — cast iron and magnetic stainless steel work, but aluminum, copper, and most ceramic pans don't. Beyond cookware, induction cooktops in the 220–240V built-in category require hardwired installation, which means an electrician if no existing 240V circuit is in place. Portable 110–120V induction units avoid the wiring issue but run at lower wattage, limiting output per burner.
- Induction cooktops only work with magnetic cookware — aluminum, copper, and non-magnetic ceramic pans are incompatible.
- Built-in induction cooktops typically require a 220–240V hardwired circuit — not a standard household outlet.
- Portable induction cooktops run on 110–120V but are limited to lower wattage, typically 1800W maximum per unit.
- Induction cooktops cost 20–30% more upfront than comparable electric ceramic models at the same burner count.
- High-frequency switching in induction coils can produce an audible hum at certain power settings, especially with thinner pans.