Buying a Deep Fryer: Electric or Gas? The Comprehensive Guide
The deep fryer belongs in almost every professional kitchen – from the chips side dish to crispy battered fish. The fundamental question when buying: Electric or gas? This guide explains the differences, the right size, and what to consider when purchasing a commercial deep fryer.
Electric or Gas Deep Fryer?
Both options deliver top frying results – they differ in installation, operating costs, and heat-up behaviour.
| Criterion | Electric Deep Fryer | Gas Deep Fryer |
|---|---|---|
| Installation | anywhere with three-phase power – flexible | gas connection required |
| Heat-up time | fast, precisely controlled | very high heating capacity, powerful |
| Operating costs | depending on electricity price | usually cheaper in consumption |
| Control | very fine, often electronic | somewhat coarser |
| Ideal for | snack bar, restaurant, flexible locations | high throughput, large kitchen |
The Right Size: Tank Capacity & Number of Tanks
The tank capacity (in litres) determines capacity and throughput. As a rule of thumb: about 0.8–1 kg of chips per hour per litre of oil. Two separate tanks (e.g. 10+10 L) are practical to avoid flavour transfer (fish vs. chips).
| Tank capacity | Recommendation |
|---|---|
| 4–8 L | Café, small snack bar, side dishes |
| 10+10 L (Double tank) | Restaurant, snack bar – separate products |
| 20 L / 20+20 L | high utilisation, chain catering, large kitchen |
What to Consider When Buying
- Cold zone: Falling batter collects at the bottom in the cooler zone – protects the oil and extends service life
- Power (kW): Higher power = faster reheating after immersion
- Temperature control & safety thermostat
- Drain valve for easy oil change on larger models
- Stainless steel & removable tanks for easy cleaning
Save Oil: Frying Oil Filter
Frying oil is the largest ongoing cost factor. With an oil filtering system you can significantly extend oil service life – more on this in the Frying Oil Filter Guide. Proper frying oil care also saves money.
Frequently Asked Questions about Deep Fryers
Electric or gas deep fryer – which is better?
Electric is flexible to install and finely controllable; gas has high heating capacity and is often cheaper in consumption. For most restaurants/snack bars, electric is the pragmatic choice; for very high throughput, gas is worthwhile.
What tank size do I need?
For small businesses, 4–8 L is sufficient, for restaurants 10+10 L, and for high utilisation 20 L and more.
How often should the oil be changed?
Depending on usage and care – with filtration and an oil tester significantly less often. An oil tester objectively shows when the oil is spent.
Deep Fryers at Gastro-Nik
- Saro Electric Deep Fryer PORTO 10+10 L – double tank for restaurant & snack bar
- Saro Electric Deep Fryer FARO 20 L – single large tank
- Saro Electric Deep Fryer BRAGA 20+20 L – for high utilisation
Electric or gas – which suits you?
We advise you on power, size and oil management.
Last updated on 10 July 2026.