Difference Between Air Fryer and Convection Oven (With Table)

Exploring Cooking Technologies: Air Fryer vs. Convection Oven

In today’s modern kitchen, many appliances promise to make cooking faster and healthier. The air fryer and the convection oven are two popular options that have gained prominence. These kitchen workhorses are celebrated for producing crispy, delicious meals with less oil and shorter cooking times. In this article, we’ll dive into the differences between an air fryer and a convection oven, uncovering their unique features, advantages, and the culinary wonders they can create.

Air Fryers

Air fryers are compact countertop appliances designed to replicate the crispiness of deep-fried food while using significantly less oil. They achieve this by circulating hot air around the food, cooking it evenly, and creating a crispy exterior.

Key Aspects of Air Fryers

  1. Rapid Cooking: Air fryers use powerful fans to circulate hot air at high speeds, resulting in faster cooking times.
  2. Healthier Cooking: With minimal oil required, air fryers offer a healthier cooking option, reducing dishes’ overall calorie and fat content.
  3. Compact Design: Air fryers are compact and fit easily on countertops, making them suitable for small kitchens.
  4. Crispy Texture: They excel at producing crispy exteriors, making them ideal for items like fries, chicken wings, and vegetables.
  5. Preheat Time: Air fryers have shorter preheat times than traditional ovens.

Cooking in an Air Fryer

Air fryers are prized for their ability to produce dishes with a deep-fried texture while using a fraction of the oil. Here’s how it works:

  1. Hot Air Circulation: An air fryer contains a heating element and a powerful fan. When you set the cooking temperature, the heating element warms the air, and the fan circulates this hot air around the food.
  2. Crispiness Without Submersion: The hot air rapidly evaporates surface moisture on the food, creating a crispy crust. This is similar to deep-frying, where food is submerged in hot oil.
  3. Minimal Oil: While adding a small amount of oil to enhance flavor and texture, air fryers can cook with as little as a tablespoon of oil, significantly reducing the overall fat content.
  4. Versatile Cooking: Air fryers can handle a variety of dishes, including fries, chicken, fish, and even baked goods like muffins and brownies.

Convection Ovens

The Versatile Kitchen Workhorse

A convection oven, on the other hand, is a more versatile kitchen appliance that uses a fan and exhaust system to circulate hot air. It can be built into your kitchen’s oven unit or as a standalone countertop appliance.

Key Aspects of Convection Ovens

  1. Even Cooking: Convection ovens provide even cooking and browning of food by circulating hot air, resulting in consistent texture and doneness.
  2. Large Capacity: They are available in various sizes, including larger ones suitable for roasting whole turkeys or multiple dishes simultaneously.
  3. Multi-Functionality: Convection ovens come with various cooking modes, including baking, roasting, broiling, and dehydrating.
  4. Versatile Temperature Range: They offer precise temperature control, allowing you to adjust settings for various cooking needs.
  5. Baking Performance: Convection ovens excel at baking, producing evenly risen cakes, bread, and pastries.

Cooking in a Convection Oven

Convection ovens rely on the principles of hot air circulation to cook food evenly. Here’s how they work:

  1. Fan-Powered Airflow: A fan continuously circulates hot air throughout the cooking chamber in a convection oven. This airflow ensures an even distribution of heat.
  2. Faster Cooking: Because the hot air surrounds the food on all sides, it cooks more quickly and evenly than a traditional oven.
  3. Versatile Functions: Convection ovens offer various cooking modes, such as baking, roasting, broiling, and more, making them suitable for various recipes.
  4. Precise Temperature Control: They allow precise temperature adjustments, which is crucial for achieving the desired results in baking and roasting.

Key Differences Between Air Fryers and Convection Ovens

Let’s explore the key differences between air fryers and convection ovens:

Cooking Method

  • Air Fryers: Use hot air circulation and minimal oil to cook food, resulting in crispy exteriors.
  • Convection Ovens: Utilize hot air circulation to cook and brown food, suitable for a wide range of cooking methods.

Size and Capacity

  • Air Fryers: Typically have a smaller capacity, suitable for smaller portions and single-serving meals.
  • Convection Ovens: Come in various sizes, including larger ones that accommodate multiple dishes or a whole turkey.

Cooking Speed

  • Air Fryers: Cook food faster due to their compact size and powerful fans.
  • Convection Ovens: May take slightly longer to cook food due to their larger size, but they provide even cooking and browning.

Cooking Versatility

  • Air Fryers: Specialize in producing crispy, fried-like textures and are ideal for items like fries, chicken wings, and frozen snacks.
  • Convection Ovens: Offer versatile cooking options, including baking, roasting, broiling, dehydrating, and more.

Oil Usage

  • Air Fryers: Use significantly less oil than traditional frying methods, making them a healthier option.
  • Convection Ovens: May require more oil if frying or roasting, but they still use less than deep frying.

Preheat Time

  • Air Fryers: Typically have shorter preheat times compared to traditional ovens.
  • Convection Ovens: May have slightly longer preheat times due to their larger size.

Table: Summary of Differences

Here’s a summary table highlighting the key differences between air fryers and convection ovens:

AspectAir FryerConvection Oven
Cooking MethodUses hot air circulation and minimal oil for crispy exteriorsUses hot air circulation for even cooking and browning
Size and CapacitySmaller, suitable for single servingsAvailable in various sizes, including larger ones for multiple dishes
Cooking SpeedCooks food faster due to compact size and powerful fansMay take slightly longer due to size, but ensures even cooking
Cooking VersatilitySpecializes in producing fried-like textures, ideal for specific itemsOffers versatile cooking options, including baking, roasting, and more
Oil UsageUses significantly less oil for a healthier optionRequires less oil than deep frying but may use more than air frying
Preheat TimeTypically has shorter preheat timesMay have slightly longer preheat times due to size

Pros and Cons

Air Fryer Pros

  • Fast cooking times.
  • Healthier cooking with less oil.
  • Compact and suitable for small kitchens.
  • Ideal for producing crispy textures.
  • Shorter preheat times.

Air Fryer Cons

  • Limited capacity for larger meals.
  • Specializes in certain types of dishes.
  • May require multiple batches for larger portions.

Convection Oven Pros

  • Even cooking and browning.
  • Versatile cooking options.
  • Various sizes available, including larger ones.
  • Suitable for baking and roasting.
  • Ideal for multiple dishes.

Convection Oven Cons

  • Longer cooking times for certain dishes.
  • May require more counter or kitchen space.
  • Longer preheat times due to size.

Which One to Choose?

Choosing between an air fryer and a convection oven depends on your cooking preferences, kitchen space, and the dishes you frequently prepare. Here are some considerations:

  • Choose an Air Fryer If:
    • You prefer fast cooking times.
    • Healthier, lower-oil cooking is essential to you.
    • You have limited kitchen space.
    • You frequently cook items that benefit from a crispy exterior.
  • Choose a Convection Oven If:
    • Versatility and a wide range of cooking methods are important to you.
    • You need to cook larger meals or multiple dishes simultaneously.
    • You prioritize even cooking and browning for various recipes.


Air fryers and convection ovens are valuable additions to any kitchen, offering efficient ways to cook delicious meals with different textures and cooking methods. Understanding their differences in cooking style, size, capacity, and versatility can help you decide which appliance suits your culinary needs and kitchen space.

Whether you opt for the speed and health benefits of an air fryer or the versatility and even cooking of a convection oven, both appliances can enhance your cooking experience and help you prepare a wide variety of mouthwatering dishes.

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Hi! I'm Nidhi.

Here at the EHL, it's all about delicious, easy recipes for casual entertaining. So come and join me at the beach, relax and enjoy the food.

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