How Does an Air Fryer Work

An air fryer works by blowing heated air around food at high speed, creating a convection effect that cooks and crisps food using little to no oil. The process triggers the Maillard reaction — the same chemical reaction that browns food when you fry or roast it — at temperatures of 149–204 degree Celsius.

• Air fryers use a heating element and a high-speed fan to circulate hot air around food in a perforated basket
• The Maillard reaction is triggered at 149–204 degree Celsius, browning food and creating a crispy texture
• Air fryers use just 1–2 tablespoons of oil, compared to the large amounts used in traditional deep frying
• Cooking time is 20–30% faster than a conventional oven; preheating takes only 1–3 minutes
• Top rated air fryers start under Rs. 6,000 in India

Convert the cost of your new air fryer into Easy EMIs using Bajaj Finance's financing options at over 1.5 lakh partner stores such as Reliance Digital, Croma, Vijay Sales, and more. Check your loan eligibility before you head to the store.

An air fryer is a compact kitchen appliance that uses rapid hot air circulation to cook food. It does not submerge food in oil like a deep fryer — instead, it blows high-temperature air around food placed in a perforated basket, creating a convection effect that cooks the food evenly and crisps the outside.

The heating element generates heat inside the appliance, and a high-speed fan distributes this hot air uniformly around the food. The perforations in the basket allow air to circulate from all sides, which is what creates the crispy, evenly browned results that air fryers are known for.

The result is food that is cooked quickly, uses minimal oil, and achieves a texture that closely resembles deep-frying — without the mess or the calorie load.

Air frying works through a combination of three physical processes: conduction, convection, and radiation. Together, these create the crispy result you expect from an air fryer. Here is how each one contributes.

The six steps below break down exactly what happens inside an air fryer each time you use it.
 

Step 1 — Rapid air circulation

A high-speed fan inside the air fryer circulates hot air continuously around the food. This creates a convection effect — the same principle used in convection ovens — ensuring that all sides of the food receive consistent heat exposure. The result is even cooking without hot spots.
 

Step 2 — Heat transfer mechanisms

Three types of heat transfer happen simultaneously:

• Conduction: Heat transfers directly through physical contact between the food and the hot basket surface
• Convection: Circulating hot air moves heat around the food from all sides, cooking it evenly
• Radiation: Some air fryer models use infrared heating elements for faster and more efficient cooking
   

Step 3 — The Maillard reaction

The Maillard reaction is the chemical process that browns food and enhances its flavour. It is triggered when food is exposed to high temperatures — typically 149–204 degree Celsius (300°F–400°F) — causing proteins and sugars in the food to react and form hundreds of flavour compounds. This is what creates the golden-brown, crispy exterior on air-fried chips, chicken, and similar foods.
 

Step 4 — Oil usage and crispiness

Unlike deep frying, air fryers use just 1–2 tablespoons of oil — either sprayed or brushed lightly onto the food. The hot air dries out the surface of the food, removing moisture and creating a crunchy texture that mimics traditional frying. Some frozen or pre-coated foods contain enough oil in their coating to require no additional oil at all.
 

Step 5 — Midway adjustments

Some foods cook more evenly when shaken or flipped halfway through the cooking cycle. This is particularly true for foods like chips, nuggets, or vegetables where all surfaces need equal exposure to the circulating hot air for uniform crispiness.
 

Step 6 — Cooking efficiency

Air fryers cook 20–30% faster than conventional ovens due to their compact size and rapid air circulation. Preheating takes just 1–3 minutes, compared to 10–15 minutes for a standard oven. The enclosed chamber retains heat efficiently, which further reduces overall cooking time per session.

Every air fryer contains a set of core components that work together to deliver consistent cooking results. Understanding what each part does helps you use the appliance correctly and maintain it properly. Here is what is inside every air fryer.
 

Air frying and traditional deep frying both produce crispy food, but they do so in very different ways. Understanding the differences helps you set realistic expectations for your air fryer before you buy. The table below gives a clear side-by-side comparison.
 

A buying caveat worth noting: while air fryers produce excellent crispy results, they are not identical to deep frying. If a perfectly oil-rich crunch is essential to you — as with certain Indian snacks or battered foods — an air fryer can produce a close result but may not fully replicate the exact texture of deep frying in every case.

Air fryers are versatile enough for everyday Indian cooking and well beyond. They can bake, grill, roast, and fry — making them a genuinely multi-functional appliance for any kitchen. If you want to explore specialised designs, stainless steel air fryers offer a more durable build, while instant air fryers are ideal for quick, hassle-free cooking sessions.

Here is a general guide to what you can cook in an air fryer.

• Snacks and starters: Samosas, spring rolls, paneer tikka, and chicken nuggets — all crispy with very little oil
• Main courses: Grilled chicken, fish fillets, roasted vegetables, and stuffed parathas
• Baked goods: Muffins, cookies, small cakes, and bread rolls (in models with baking mode)
• Reheating: Leftover pizza, biryani, and fried snacks come out much crispier than in a microwave
• Frozen foods: Frozen fries, breaded items, and ready-to-cook snacks require no additional oil and cook quickly at 180–200 degree Celsius
   

Thinking of buying a new air fryer?

Before you do that, explore the latest offers from Bajaj Finance. You may find a great deal on a model that matches your needs.

Bajaj Finance offers two ways to convert your air fryer purchase into affordable monthly payments. Both options are available at over 1.5 lakh partner stores across 4,000 cities in India.

Both financing options are available at the checkout counter at any partner store. Here is how they compare.
 

How to choose?

Both options require you to be physically present at a partner store. The Insta EMI Card is ideal for shoppers who want to purchase across multiple categories over time. The Easy EMI Loan suits buyers looking to finance a higher-value purchase in a single transaction.
 

With over 1.5 lakh partner stores across 4,000 cities, you can finance your air fryer purchase whether you are in a metro like Chennai or a Tier-2 city like Jaipur or Lucknow. The Insta EMI Card also carries zero annual fee, making it a practical long-term financing tool for repeat kitchen and home appliance purchases.

Buying an air fryer is simple and affordable with Bajaj Finance's in-store financing options. The entire process usually takes just 10–15 minutes. Follow these steps:

1. Browse models on Bajaj Mall: Explore the full range of air fryers on Bajaj Mall. Compare capacity, wattage, cooking modes, and prices before heading to the store.
2. Find a partner store near you: Use the Bajaj Finance store locator to find a nearby partner outlet such as Croma, Vijay Sales, or other authorised retailers.
3. Check the air fryer in person: Visit the partner store and explore available models. Check basket capacity in litres, wattage, temperature range in degree Celsius, preset cooking modes, and ease of cleaning to find the one that suits your kitchen.
4. Choose a suitable EMI option: At checkout, ask the store executive about the Bajaj Finance Insta EMI Card or Easy EMI Loan. Confirm available tenure options and whether your chosen model comes with a zero down payment offer.
5. Complete payment and take your air fryer home: Once approved, your purchase is processed immediately and you can leave the partner store the same day.

You can also check your loan eligibility online in advance by entering your mobile number and OTP, helping you plan your purchase better.

Bajaj Finance’s Smart Savings Calculator helps you unlock maximum savings every time you shop at partner stores. It brings together all available brand, dealer, and scheme offers—so you can see your total savings instantly and shop smarter with Easy EMIs.

1. Dealer offers - Grab exclusive in-store deals at over 1.5 lakh partner stores across India. Enjoy local discounts and special prices you will not find online.

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3. Bajaj offers - Unlock exclusive Bajaj Finance deals on popular products—available only to our customers. More rewards, more value.

4. Scheme offers - Take advantage of time-sensitive offers on select EMI schemes. Get extra benefits after paying just 3 EMIs—visible during EMI selection at checkout.

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