10 Best Convection Ovens With Steam Function for 2026: Smart Countertop and Built-In Picks

A convection oven with steam function can combine even, fast-circulating heat with moisture control for better bread, roasted foods, reheated meals, and air-fried dishes. The best choice depends on your available space, cooking habits, capacity needs, and whether you want countertop convenience or built-in performance.

We selected 10 versatile models ranging from compact, app-connected ovens to larger combi-steam appliances with multiple racks, automatic programs, and self-cleaning features. Use the guide below to compare the practical differences before choosing.

Best 10 Convection Oven with Steam Function Picks for 2026

Best All-in-One Value – OUNIN 24L Steam Air Fryer Oven

The OUNIN is a practical convection oven with steam function for shoppers who want one countertop appliance to cover everyday baking, roasting, air frying, steaming, reheating, and more. Its 24-liter capacity, 1600-watt power, and 360-degree hot-air circulation suit family meals while keeping the footprint relatively compact.

Best For: Families wanting versatile steam, convection, and air-frying functions in one countertop oven.

Pros:

• Combines 11 functions, including steam, convection bake, steam bake, air fry, broil, and dehydrate.
• Fits a 13-inch pizza, six slices of toast, or a whole chicken.
• Includes an air-fry basket, baking pan, wire rack, oven mitt, and recipe book.

Cons:

• Its 24-liter capacity is smaller than some family-sized combi ovens.
• Control details are listed as knob control, which may feel less guided than touchscreen models.

The OUNIN stands out when appliance consolidation and cooking flexibility matter most. It is a strong fit for buyers who want steam-assisted results without giving up air frying or standard countertop-oven functions.

Best Premium Capacity – ROBAM R-Box Pro Combi-Steam Oven

The ROBAM R-Box Pro is a convection oven with steam function designed for more controlled, multi-stage cooking. With a 35-liter interior, adjustable upper and lower heating, three steam levels, and an external water tank, it gives experienced cooks substantial control over roasting, baking, steaming, and crisping.

Best For: Larger households and serious home cooks who value capacity, presets, and automated steam-to-bake cooking.

Pros:

• Offers 15-plus modes, 32 presets, dual convection, steam fry, and three-stage cooking.
• Provides a 1.2-cubic-foot capacity for a 5-pound chicken or up to nine toast slices.
• Features an enamel interior, one-touch self-cleaning and descaling, and an external water tank rated for up to 90 minutes of steam.

Cons:

• At 51.8 pounds, it is considerably heavier than the other listed countertop ovens.
• Its larger 17.88-by-19.13-by-15.19-inch dimensions require generous counter space.

The R-Box Pro is the most feature-rich choice in this group for users who want repeatable, programmable cooking. Its size and weight are trade-offs, but the capacity and cleaning features make it compelling for frequent family meal preparation.

Best for Multi-Rack Cooking – Our Place Wonder Oven Pro

The Our Place Wonder Oven Pro is a streamlined convection oven with steam function for shoppers who want quick, even countertop cooking. Its 30-quart interior, three rack levels, 360-degree convection, and digital touchscreen make it well suited to meal prep and family-sized batches.

Best For: Users who want a stylish, easy-to-use oven with three-rack capacity and built-in steam infusion.

Pros:

• Provides eight functions, including air fry, bake, roast, toast, broil, dehydrate, proof, and reheat.
• Three rack levels and a 30-quart capacity support larger batches and meal preparation.
• Heats to 450°F and includes two wire racks, a bake tray, an air-fry basket, and a crumb tray.

Cons:

• The supplied notes describe steam infusion but do not specify adjustable steam levels or an external water tank.
• Its 16.75-inch width and 13.25-inch depth still require dedicated counter space.

This model emphasizes convenience and capacity rather than extensive steam customization. It is a sensible pick for buyers who prioritize touchscreen control, multiple rack positions, and fast everyday convection cooking.

Best for Small Kitchens – Midea 4-in-1 Micro Steam Oven

The Midea 4-in-1 Micro Steam Oven is a space-conscious convection oven with steam function that also works as an inverter microwave and air fryer. Its 0.9-cubic-foot footprint, dual glass door, flat-bottom cavity, app control, and 32 automatic functions make it especially practical for RVs, apartments, and compact kitchens.

Best For: Small-space users who need microwave, steam, convection, and air-frying capability in one appliance.

Pros:

• Combines a 900-watt inverter microwave, steamer, air fryer, and convection oven.
• XpressSteam produces high-temperature vapor in under 30 seconds, with six steam temperatures.
• Offers Wi-Fi app control, 32 presets, auto defrost, and cavity cleaning.

Cons:

• The 0.9-cubic-foot capacity is smaller than the dedicated 24- to 35-liter ovens listed here.
• The supplied notes recommend Combi mode for optimal crispness with thick-cut fries.
• Only one included component is listed: the microwave oven unit.

The Midea is the most space-efficient and multifunctional option for buyers replacing several appliances. Choose it when microwave capability and a compact footprint matter as much as dedicated oven capacity.

Best All-in-One Countertop Pick – Ciarra Nosh Oven Pro

If you want a convection oven with steam function that can replace several countertop appliances, the CIARRA Nosh Oven Pro is a versatile choice. Its 25.4-quart capacity, 11 cooking modes, rapid steam, air frying, and self-cleaning function cover everyday meals from roasted chicken and pizza to bread and dehydrated snacks.

Best For: Home cooks who want broad functionality and a relatively large countertop oven without buying separate appliances.

Pros:

• Offers 11 modes, including steam bake, steam convection, air fry, ferment, dehydrate, and sterilize.
• Large 33.8-ounce water tank supports steam cooking with fewer refills.
• Includes a programmable timer, preset menus, steam cleaning, and useful accessories.
• Adjustable temperature range of 85°F to 430°F supports both low-temperature and high-heat cooking.

Cons:

• Its 25.4-quart capacity and 14-by-16-by-17-inch footprint require meaningful counter space.
• It has one shelf, so multi-level cooking is more limited than with a built-in model.

The CIARRA stands out for everyday flexibility: it combines steam cooking with air frying, baking, fermenting, and dehydrating in one appliance. Choose it if convenience and appliance consolidation matter more than built-in installation or a commercial-size cavity.

Best Built-In Capacity – 24-Inch Steam Convection Oven

For shoppers planning a permanent installation, this 24-inch convection oven with steam function offers a spacious 2.5-cubic-foot cavity and five rack positions. Its 3D cyclic heating combines steam with upper and lower heating elements, making it suited to batch cooking, roasting, baking, and entertaining.

Best For: Home kitchens, caterers, and small food businesses that need built-in capacity and room for larger cooking batches.

Pros:

• Large 2.5-cubic-foot interior with five rack positions can accommodate multiple trays.
• Combines steam with 3D convection and 3000W lower and 3500W top heating elements.
• Provides eight cooking functions, including steam, convection bake, convection roast, pizza, and air fry.
• Food-grade enamel cavity and laser-welded construction are designed for easier cleaning.

Cons:

• Its 240V, 24-inch built-in design requires suitable installation and dedicated space.
• At 90 pounds, it is substantially less portable than a countertop oven.
• The supplied details list no included components or warranty description.

This model is the strongest fit when interior volume and built-in integration are priorities. Its precise, stepless temperature adjustment and multiple rack positions favor batch preparation, but the installation requirements make it less practical for renters or casual countertop use.

Best Compact Steam Versatility – OUNIN 16-Quart Steam Oven

The OUNIN is a compact convection oven with steam function for smaller households that still want advanced cooking modes. Along with air frying, baking, roasting, and dehydrating, it provides steaming, steam baking, steam roasting, dual cooking, and sous vide functions in a 16-quart countertop format.

Best For: Couples, small families, and cooks who want specialty steam modes in a compact countertop appliance.

Pros:

• Five steam-focused modes include steaming, steam baking, steam roasting, dual cooking, and sous vide.
• 16-quart capacity fits an 11-inch apple pie, 3 pounds of fries, or a 5-pound whole chicken.
• Dual touch-and-knob controls simplify mode, time, and temperature adjustments.
• High-temperature steam cleaning helps loosen grease and food residue.

Cons:

• The 16-quart cavity is smaller than the capacity offered by the other ovens in this roundup.
• Its compact size is better suited to meals for one to four people than large batch cooking.
• The supplied details do not specify a water-tank capacity.

OUNIN makes a good case for buyers who want more than basic steam and convection cooking without committing to a large appliance. Its dual-cooking and sous vide modes are especially distinctive, while the smaller cavity keeps it better suited to modest portions.

Most Versatile – FOTILE ChefCubii Combi-Steam Oven

The FOTILE ChefCubii is a strong choice if you want a convection oven with steam function that can also handle air frying, baking, roasting, dehydrating, fermentation, and more. Its 1.1-cubic-foot capacity, dual-zone temperature control, and 50 preset menus make it suited to varied cooking without adding several countertop appliances.

Best For: Cooks who want broad functionality, precise steam control, and a larger countertop capacity.

Pros:

• Combines steam, convection, baking, roasting, air frying, dehydrating, and additional specialty modes.
• Offers four steam modes with Dynamic Steam Balance Technology to help manage moisture.
• Includes 50 preset menus and dual-zone temperature control with 360-degree convection.
• Features an external water tank, stainless steel cavity, steam cleaning, and a liftable bottom heating tube for easier cleanup.

Cons:

• At 39.7 pounds and over 20 inches deep, it requires substantial counter space.
• The 1,800-watt appliance may be more capability than needed for basic reheating and baking.

Choose this model when versatility and cooking control matter more than a compact footprint. Its extensive presets and dedicated steam modes make it particularly appealing for users exploring combi-oven cooking.

Best Smart Compact Pick – Toshiba 6-in-1 Steam Oven

The Toshiba 6-in-1 is a practical convection oven with steam function for smaller kitchens. Its 20-liter compact body supports steam, convection baking, steam baking, air frying, slow cooking, and fermentation, while app control and 36 preset menus simplify meal preparation.

Best For: Apartment kitchens and connected-home users who want a compact combi oven with guided cooking.

Pros:

• Supports remote monitoring and control through the TOSHIBA TSmartLife app.
• Provides separate steam, hot-air bake, and combined steam-baking modes.
• Includes 36 preset menus and a water box designed to operate for up to five hours without a refill.
• Offers steam cleaning and four temperature settings for fermentation.

Cons:

• The 20-liter capacity is smaller than the capacity of the other ovens in this roundup.
• Its compact size may limit the amount of food that can be cooked at once.

This Toshiba is a good fit when space and convenience are priorities. App connectivity, preset programs, and its anti-drip dome add useful everyday features without requiring a larger countertop appliance.

Best Design-Focused Option – SMEG COF01 Countertop Combi Oven

The SMEG COF01 combines a convection oven with steam function and a distinctive retro design. Along with pure steam and combi steam modes, it offers grilling, air frying, baking, warming, and defrosting, making it a flexible countertop choice with touch controls and automatic recipes.

Best For: Design-conscious cooks who want a stylish countertop oven with multiple steam and traditional cooking modes.

Pros:

• Provides 10 cooking functions, including pure steam, combi convection steam, and combi grill steam.
• Includes 33 automatic recipes covering meats, fish, vegetables, desserts, bread, pizza, and pies.
• Offers a 1-cubic-foot capacity, three shelf levels, and a 104-to-446-degree Fahrenheit temperature range.
• Comes with a removable water container, perforated steaming tray, enameled tray, and two grill racks.

Cons:

• Its 42-pound weight makes it less convenient to move frequently.
• The glossy retro styling may not suit every kitchen aesthetic.

The SMEG stands out for shoppers who want cooking versatility without sacrificing countertop appearance. Its automatic menus and range of steam, convection, grill, and air-fry functions make it capable of handling both everyday meals and more specialized recipes.

How We Picked the Best Convection Oven with Steam Function

We compared these ovens by looking at the features that matter most in daily use: heating and steam versatility, usable capacity, cooking modes, controls, cleanup, dimensions, and overall suitability for different kitchens. We also considered whether each model is best for occasional reheating, serious baking, family meals, compact living, or replacing several countertop appliances.

Because listed capacities and accessories can vary, confirm the current specifications before buying. Pay particular attention to rack positions, water-tank design, power requirements, and whether plumbing or professional installation is required.

Quick Comparison

Best For	Look For
Small kitchens and RVs	Compact footprint, lower capacity, and simple water filling
Family-size meals	At least 1 cubic foot of interior space or multiple racks
Air frying and crisp foods	Dedicated air-fry mode, strong convection, and perforated accessories
Bread and precision baking	Reliable temperature control, steam-bake settings, and rack flexibility
Built-in kitchen upgrades	Correct cabinet dimensions, electrical compatibility, and installation support

Key Buying Factors for a Convection Oven with Steam Function

Capacity and Footprint

Measure counter or cabinet space before choosing. Compact ovens are easier to place but may limit sheet-pan meals, while 1.1-cubic-foot and larger models can handle more food at once. Check the interior dimensions rather than relying only on the advertised quart rating.

Steam Control and Water Management

Look for a removable tank, visible water-level indicators, and a design that is easy to refill and dry. Some ovens offer basic steam, while others provide steam-bake programs, humidity control, or combi modes that coordinate moisture and convection automatically.

Cooking Modes and Controls

Commonly useful modes include convection bake, broil or grill, air fry, roast, dehydrate, reheat, proof, and slow cook. Presets and app control can save time, but physical controls may be faster for frequent adjustments. Verify the temperature range and whether settings can be customized.

Cleaning and Maintenance

Steam can loosen residue, but it does not eliminate routine cleaning. Favor enamel or stainless interiors, removable racks and trays, accessible heating elements, and dedicated cleaning or descaling programs. Follow the manufacturer’s guidance for water quality and maintenance.

Who Should Buy Which Convection Oven with Steam Function?

Choose a compact model such as the Midea or OUNIN 16-quart option if you have limited space, cook for one or two people, or need an RV-friendly appliance. The OUNIN 24L, CIARRA, and Toshiba models suit shoppers who want broad countertop versatility, including air frying and everyday baking.

For larger meals and more advanced steam cooking, consider the ROBAM, FOTILE, Our Place, or SMEG options, depending on your preferred controls, capacity, design, and budget. A built-in 24-inch model makes the most sense during a kitchen remodel or when you want an integrated appliance rather than another countertop device. Before purchasing, confirm dimensions, voltage, ventilation clearance, warranty coverage, and included accessories.