Unlike most appliance trends that come and go, the combi steam oven has earned its rightful place at the specification table. But the challenge is knowing when it earns its position in the drawings and when it undermines a brief. This guide cuts through the noise and covers what a combi steam oven does, where it adds value to a kitchen design, where it falls short and everything you need to lock in before it makes it onto the plans.
What Is a Combi Steam Oven?
A combi steam oven offers several cooking modes: full steam, convection and a combination mode where steam and convection run simultaneously. Many models also include a steam assist function, which releases short bursts of steam during a standard convection cook rather than running both continuously. It's the combination and steam assist options that make this appliance stand out. By pairing browning with moisture retention, the combi steam oven delivers a cooking style that can't be achieved with a traditional steamer or conventional oven alone. This makes them ideal for clients who enjoy entertaining or cooking frequently at home.
Combi steam ovens are available in a range of sizes to suit most modern kitchens, from compact benchtop units to seamless built-ins. If stacking with a second oven, position the combi steam unit so the water reservoir remains easily accessible. Typically, most specification-grade models are built-in for an integrated look and some premium brands like AEG integrate with pyrolytic self-cleaning, so your clients can reduce maintenance with more time to enjoy and entertain.
Overall, the combi steam oven performs well wherever a conventional oven does and adds capability where controlled moisture and temperature precision matter.
Where Combi Steam Ovens Add Value
Don’t know if a combi steam oven is right for your client or the brief? Here’s a handy breakdown of the best use cases for combi steam ovens in Australian properties and developments.
High-End Residential Builds
In premium residential projects where the kitchen is a design centrepiece, combi steam sits naturally alongside the broader appliance suite. Clients in luxury builds expect restaurant-calibre cooking performance and a combi steam oven is one of the appliances that consistently delivers it. It pairs well with induction cooktops, integrated rangehoods and warming drawers in a cohesive design.
For specification purposes, the combi steam oven is best positioned as a primary oven in a double stack format or as a secondary oven where a pyrolytic model handles high-heat roasting and the combi steam handles everything requiring precision moisture control.
Health-Focused Households
For clients who are concerned with preserving vitamins and nutrients more effectively, a combi steam oven could be a worthwhile investment compared to a traditional convection oven. If your clients like to meal prep or reheat food effectively without drying it out, the combi steam achieves better results across these areas.
The ability to run precise low-temperature cooking cycles also makes combi steam oven a natural fit for sous vide-style preparation. For a wellness-focused lifestyle, this is a specification that is a worthwhile addition.
Multi-Residential Developments
In premium apartment and townhouse developments, appliance quality is one of the details that the luxury buyers pay attention to. A combi steam oven elevates the overall kitchen specifications in a way that reads well on paper and in daily use. It can also be specified within a single wall oven cavity, which means added cooking versatility without needing additional cabinetry space, making it a practical win in apartment settings where every centimetre counts.
Luxury Kitchen Renovations
Renovation projects with a $50K+ kitchen investment are typically the point at which clients are looking to move to specification-grade appliances across the board. When the scope already includes high-end benchtops, considered cabinetry and fully integrated appliances, a combi steam oven justifies its cost as part of the package. It can also simplify the appliance suite, as if a separate benchtop steamer was on the list the combi steam can cover it, reducing the appliance count without reducing functionality.
When a Combi Steam Oven Does Not Add Value
The combi steam oven is a versatile and capable appliance, but that doesn’t mean it’s right for every kitchen project. Understanding when a different oven type makes more sense is part of getting the specification right.
Budget-Conscious Projects & Mid-Teir Renovations
A quality combi steam model sits at a higher price point than a conventional or pyrolytic oven of equivalent build quality. Where the kitchen budget is spread across benchtops, cabinetry and fixtures, it can be a difficult spend to justify in a mid-market project. In many cases, a well-specified pyrolytic oven will deliver better everyday value for the household. The combi steam advantage is a good one, but it needs to be weighed against what else that budget could do.
Clients Who Cook Simply or Rarely
The multi-mode functionality is a great spec for households that will use it. A combi steam oven will deliver better results even for everyday roasting, baking and reheating, but for clients who cook infrequently, the added cost is hard to justify when a quality convection oven still serves them well.
Combi steam ovens also require some know-how to get the best from them, which isn't suited to every user, especially those who value simplicity. The water reservoir needs regular replenishment and periodic descaling depending on use, a maintenance consideration that may not appeal to all clientele.
What to Know Before Installing a Combi Steam Oven in Your Kitchen
Oven Size & Cabinetry Fit
Built-in combi steam ovens are commonly available in compact 45cm-high formats as well as full-size models for a standard 60cm cavity, and some sit shallower than a conventional oven because of the built-in steam generator. It's worth checking the exact height and depth clearances against cabinetry drawings before the order goes in, as finding out at installation is an avoidable complication.
Water reservoir location varies across models and is another consideration before installation day. Front-access is the most practical, particularly when the oven is installed in a tighter run of cabinetry.
If a double oven stack is on the plan confirm the thermal clearance requirements between the two oven cavities with the manufacturer’s installation documentation before the joinery is finalised.
Power & Plumbing
For most residential installations, a combi steam oven runs off a standard fill-and-drain water reservoir, which means no plumber required. Some premium models, such as select Miele configurations, support a direct plumbed water connection for continuous use. If that’s the preference, this needs to be flagged with the plumber during rough-in before walls are closed.
A dedicated 15A or 20A electrical circuit is also typically required. This should be confirmed and included in the electrical plan at the documentation stage rather than added as a variation once the build is underway.
Steam & Ventilation
A common question is whether a combi steam oven needs additional ventilation. In practice, the answer is no. A small amount of steam is released when the door opens mid or post-cycle, but it doesn't require any special extraction or clearance provisions beyond what a standard oven installation would need.
Which Combi Steam Oven Brands Are Worth Looking At?
The main specification-grade brands each bring something different to the category and understanding these differences makes the selection process considerably more straightforward for your design. Some of the most common combi steam oven brands in Australia include:
Smeg: A popular choice for design-led renovations, Smeg is known for its classic aesthetic and accessible price point. Ideal for kitchens where the oven is a visual feature.
Miele: Sets the benchmark for combi steam performance. Top-tier models support direct plumbing and advanced moisture control, making them great for households who will push the feature set over the long term.
Bosch: A reliable mid-to-premium tier with consistent performance and strong value. Perfect for projects where combi steam is a good choice, without having to stretch the budget to the very top of the market.
Fisher & Paykel: Suited to contemporary Australian kitchens. Clean lines, well-considered interfaces, their growing combi steam range integrates naturally with their broader appliance suite.
Electrolux: A solid performer at an accessible price point, offering dependable steam functionality without the premium spend. A practical fit for projects where budget needs to stretch across the whole kitchen.
AEG: With a strong steam range and features like pyrolytic self-cleaning on selected models. Backed by a strong Australian service network, making it a dependable specification.
Specifying the Oven for Your Next Project
A combi steam oven is one of those appliances that can really make a difference to how a kitchen performs day to day. The best outcomes come from matching the appliance to a clear picture of how the kitchen will be used, not just to the format and the finishes around it.
Designer Appliances stocks premium brands across built-in and benchtop combi steam ovens. Explore the selection and find the best combi steam ovens in Australia online. Or get in touch with our expert team to work through the right appliances for your next project.
Combi Steam Ovens FAQs
A regular steam oven uses steam only. A combi steam oven adds convection heat and a combination mode that runs both simultaneously, delivering browning and moisture retention one cooking function.
Most built-in models fit a standard 60cm oven cavity, though some are shallower than a conventional oven due to the built-in steam generator. Confirm depth clearance before cabinetry is cut. No special plumbing is required for reservoir-based models, but a dedicated electrical circuit is typically required and should be included in the electrical plan.
In high-end builds and major kitchen renovations where the appliance suite is being fully specified, yes, particularly where the household has a real passion for cooking. For mid-market projects or clients who cook infrequently, a quality pyrolytic oven will often deliver better value for the investment.
Most models include a steam-cleaning cycle for routine maintenance. Some premium models integrate pyrolytic self-cleaning into the cavity, which handles deep cleaning without manual effort. The water reservoir requires periodic descaling; how often depends on usage frequency and local water hardness.
It’s one of the more underrated everyday benefits. Reheating with steam restores moisture rather than driving it out, so food comes back to temperature tasting close to how it was made. For households that batch cook or regularly reheat meals, the difference is noticeable.
No more so than with a standard oven. A small amount of steam is released when the door opens during or after a steam cycle, but it won't noticeably affect humidity or condensation levels.