Induction vs Infrared Cooktop in India: Which One Fits Your Kitchen?
A portable electric cooktop can be useful in a small apartment, hostel, rented home, office pantry or as an additional cooking station. But induction and infrared cooktops work differently, and the cheaper appliance is not necessarily the cheaper choice over time.
The biggest practical difference is cookware compatibility. Induction needs a suitable magnetic base, while infrared models are generally designed to work with a wider range of flat-bottom vessels. This guide compares both with a conventional LPG gas stove so you can choose around your kitchen habits.
1. How the three cooking methods work
Induction: An electromagnetic field transfers energy directly to compatible cookware. The pan itself heats up; the glass surface is heated mainly by contact with the hot vessel. When the pan is removed, the appliance stops transferring cooking energy to it.
Infrared: An electrical heating element heats a ceramic or glass surface, which then transfers heat to the cookware. It does not need the pan to have a magnetic base, so it can work with a wider range of flat-bottom cookware.
LPG gas: A burner produces a flame that heats the bottom and sides of the vessel. It works with most conventional cookware and does not depend on an electricity supply for the burner, although some stoves use electricity for ignition.
2. Induction vs infrared vs gas: quick comparison
| Factor | Induction | Infrared | LPG gas |
|---|---|---|---|
| Cookware | Magnetic, induction-compatible base | Wider range of flat-bottom cookware | Most cookware |
| Heat generation | Directly in compatible cookware | Heating element and cooktop surface | Flame |
| Surface after cooking | Can remain hot from the pan | Glass surface itself gets hot | Burner and vessel remain hot |
| Temperature response | Usually quick adjustment | Depends on element and control design | Flame adjustment is immediate |
| Electricity | Required | Required | Not required for burner |
| Flame | No open flame | No open flame | Open flame |
| Cleaning | Flat glass surface | Flat glass surface; allow cooling | Burner and pan supports need cleaning |
| Portability | Depends on model and power cord | Depends on model and power cord | Portable gas stoves need a suitable fuel arrangement |
No single technology is best for every household. A useful comparison is the exact appliance, the pan you already own and the way you cook.
3. Cookware compatibility: the most important induction check
Before buying an induction cooktop, test your existing vessels.
1. Take a small household magnet.
2. Place it against the flat underside of the vessel.
3. If it sticks firmly, the base may be suitable for induction.
4. Check the cooktop manual for the required base diameter and vessel shape.
A magnet test is a useful first screen, not a guarantee. The vessel must also have a sufficiently flat base and a diameter within the cooktop's supported range.
Philips, for example, recommends ferrous cookware with a flat base and a diameter above 12cm and below 20cm for certain models. That is a model-specific recommendation, not a universal dimension for every induction appliance.
| Vessel you may already own | Induction | Infrared |
|---|---|---|
| Cast iron pan | Usually suitable if flat and within size limits | Generally suitable if flat |
| Magnetic stainless-steel pan | Usually suitable | Generally suitable |
| Aluminium pressure cooker | Not suitable unless it has an induction-compatible base | Generally suitable if flat |
| Copper-bottom vessel | Only if the base is induction-compatible | Generally suitable if flat |
| Glass cookware | Not suitable unless specifically designed for induction | Check the cooktop's instructions |
| Traditional rounded-bottom kadai | Often unsuitable for portable flat cooktops | May be unstable; check the appliance and vessel |
If your household uses aluminium pressure cookers, traditional rounded-bottom kadais or a wide range of non-magnetic vessels, infrared may reduce the need to replace cookware. If most of your vessels are magnetic and flat, induction is easier to consider.
4. Wattage and electricity cost: calculate before buying
Portable cooktops commonly advertise power figures around 1,500W to 2,200W, but the exact rating varies by model. A higher wattage can provide more heating power; it does not mean the appliance will draw that maximum continuously during every cooking session.
Use this formula to estimate electricity consumption:
Units (kWh) = Power in watts × hours ÷ 1,000
For a 2,100W appliance running continuously at its full rated power:
| Continuous full-power use | Approximate electricity |
|---|---|
| 15 minutes | 0.525 units |
| 30 minutes | 1.05 units |
| 1 hour | 2.1 units |
At an illustrative electricity rate of ₹8 per unit, one hour at continuous full rated power would cost ₹16.80. Your actual tariff may be different, and real cooking consumption will depend on the power setting, thermostat cycling, vessel and food.
Do not compare a cooktop's maximum wattage directly with your monthly LPG bill and assume one is automatically cheaper. Compare the energy required for the same cooking task, your electricity tariff, LPG refill cost and the time each method takes.
5. Check the electrical connection before ordering
A 2,100W appliance at a nominal 230V supply draws approximately 9.1 amps at full rated power. A 2,200W appliance draws approximately 9.6 amps.
Before buying, check:
- The appliance's rated voltage, power and supplied plug.
- Whether the wall socket and wiring are suitable for that load.
- Whether the socket is properly earthed.
- Whether the appliance requires a dedicated outlet.
- Whether your inverter or backup system can support the load.
Do not force a high-power appliance into an unsuitable socket using a cheap adapter, extension board or multi-plug. If you are unsure about the wiring or circuit rating, have an electrician check it.
A cooktop that works on mains electricity may not work reliably on a small home inverter. Check the inverter's continuous output rating, not just its advertised VA number.
6. Preset menus, temperature control and Indian cooking
Many portable cooktops offer buttons for boiling, curry, milk, frying or other presets. These are convenience features; they do not guarantee that every recipe will cook correctly with one button.
For Indian cooking, consider the following:
- Roti and dosa: Check whether the appliance and the flat pan you intend to use are suitable. A preset labelled for roti does not prove that every tawa will heat evenly.
- Tadka and frying: Look for usable manual power or temperature adjustment rather than relying only on presets.
- Slow cooking: Check whether low-power settings maintain a steady simmer or cycle the heating element.
- Pressure cooking: Confirm that your cooker is compatible and stable on the cooking zone.
- Large vessels: Check the supported base diameter. Oversized vessels can transfer heat to parts of the appliance that are not intended to receive it.
If possible, see the controls in person or read the manual before choosing.
7. Safety and everyday maintenance
Induction has no open flame and generally stops transferring cooking energy when compatible cookware is removed. However, a hot vessel can still heat the glass surface, so it should never be treated as completely cool during or immediately after cooking.
Infrared cooktops heat the glass surface as part of their operation. Allow it to cool before touching or cleaning it.
For either electric type:
- Place the cooktop on a stable, level and dry surface.
- Keep ventilation openings clear.
- Do not operate with a cracked glass surface or damaged cord.
- Keep water away from the controls and electrical connections.
- Follow the manual's instructions for cleaning and cooling.
- Use the recommended cookware size and position.
- Do not leave cooking unattended merely because the appliance has an automatic shut-off feature.
The Bureau of Indian Standards lists IS 302 (Part 2/Sec 6) for safety requirements covering cooking ranges, hobs, ovens and similar appliances. Check the manufacturer's safety documentation and verify any BIS certification claim for the exact product rather than relying only on a badge in a marketplace image.
8. Which one should you choose?
| Your kitchen situation | Technology to shortlist |
|---|---|
| Most vessels have magnetic, flat bases | Induction |
| You use aluminium, glass or other non-magnetic vessels | Infrared, after checking compatibility |
| You want a portable appliance with no flame | Induction or infrared |
| You need to cook during power cuts | LPG gas remains independent of the electric supply |
| You want quick response and direct vessel heating | Induction |
| You want to keep most existing cookware | Infrared |
| You have limited electrical backup | Check load carefully; do not assume either electric type will run on the inverter |
9. Final pre-purchase checklist
1. Test your most-used vessel with a magnet if considering induction.
2. Check the exact supported base diameter.
3. Compare rated wattage and your home's electrical connection.
4. Confirm the supplied plug and socket requirements.
5. Check whether manual control is available alongside presets.
6. Review automatic shut-off, overheat protection and ventilation instructions.
7. Check the warranty, service centre and replacement policy.
8. Include the cost of any new cookware in the budget.
9. Consider whether your inverter can support the appliance.
10. Compare the total running cost using your own electricity tariff.
Frequently asked questions
Can I use an aluminium pressure cooker on induction?
Only if it has an induction-compatible magnetic base. A conventional aluminium cooker without such a base will generally not work.
Is infrared better because it works with more utensils?
It is more flexible for cookware compatibility, but that does not automatically make it better. Consider the hot glass surface, power use, control quality and warranty too.
Does a 2,100W induction cooktop always use 2.1 units every hour?
No. That figure applies to one hour of continuous operation at the full 2,100W rating. Actual consumption changes with power settings and cooking conditions.
Can I use an induction cooktop on a home inverter?
Only if the inverter can safely support the appliance's actual power demand. Check continuous watt capacity and the manufacturer's instructions before connecting it.
Do I need special cookware for infrared?
Infrared models are generally compatible with a wider range of cookware, but the base still needs to sit safely and flat on the cooking surface. Follow the model's manual.
Final verdict
If your existing cookware is magnetic and flat, induction is worth shortlisting for its direct heating method and responsive control. If replacing your vessels would add substantially to the cost, an infrared cooktop may be more convenient. Keep LPG as a practical option where power reliability is a concern. The right decision is the one that fits your cookware, electrical setup and actual cooking routine.
Sources and further reading
- US Department of Energy: How induction cooktops work — https://www.energy.gov/articles/making-switch-induction-stoves-or-cooktops
- Philips India: Cookware compatibility guidance — https://www.philips.co.in/c-f/XC000020643/what-cookware-should-i-select-for-my-philips-induction-cooktop
- Philips India: Troubleshooting unsuitable or non-flat cookware — https://www.philips.co.in/c-t/XC000020629/my-philips-induction-cooker-does-not-heat-up-cookware-as-expected
- KENT: Infrared cooktop product and technical information — https://www.kent.co.in/products/kent-ultra-sunstar-infrared-cooktop
- Bureau of Indian Standards: IS 302 Part 2 Section 6 safety-standard reference — https://lims.bis.gov.in/home_lab_scope/1879/
