Cosori Dual Blaze Review UK 2026
Quick verdict
Score: 8.4/10
Best for: Faster, lower-oil everyday cooking and reheating
Not for: Large family roasts and big-batch cooking, where a full-size oven still wins on capacity
Bottom line: A practical air fryer (6.4L) that crisps food fast with little oil and costs less to run than an oven.
The Cosori Dual Blaze 2026 model is a 6.4L air fryer with top and bottom heating. It is designed to avoid both shaking and preheating, so cooking can run without manual interruption. Capacity is practical at 6.4L for shared portions, though batch size varies by food type.
Key specifications
| Feature | Stated? Notes |
|---|---|
| Dual heating | Yes Top and bottom |
| Capacity | Yes 6.4L |
| Shaking | Yes No shaking |
| Preheating | Yes No preheating |
Pros
- 6.4L capacity
- Faster and cheaper to run than a full-size oven
Cons
- Takes up worktop space
- Cooks smaller batches than a full-size oven
- Some foods still need a light spray of oil to crisp up
Capacity and Size
Capacity and size matter because they determine how much food can fit at once and how often cooking batches are needed. This air fryer is listed as having a 6.4L capacity, which places it in the larger-portion bracket for family meals or batch cooking. A higher litre figure can reduce the number of batches because more items may fit in the air frying basket. Actual results still depend on food shape, how tightly items are arranged, and whether pieces are layered. 4L volume.
Cooking Performance and Functions
Cooking performance and functions centre on how evenly the air fryer heats food and how much attention it needs during cooking. The Cosori uses top and bottom heating, which supports more consistent results than single-direction warming. The product title also highlights "No Shaking" and "No Preheating", positioning it as a way to reduce mid-cook tasks and minimise start-up steps. Progress checks still help, particularly for thicker items such as chips or chicken pieces, because doneness can vary by size and batch load. Convenience features are straightforward, but timing adjustments may still be required.
Single or Dual Zone
For a cook, choosing between a single-zone and dual-zone setup affects how evenly food browns and how much timing coordination is needed during the cook. A dual-zone approach supports cooking two items at the same time with separate control, which helps when foods differ in thickness or moisture. The air fryer uses top and bottom heating, which is intended to deliver more balanced browning than a single-direction heat approach. In contrast, single-zone operation suits one-batch cooking, but it limits flexibility when two foods need different timing. Even with dual-zone planning, attention may still be needed if items cook at different rates.
Ease of Use and Controls
The Cosori pairs top and bottom heating with controls designed to reduce day-to-day hassle, so the single-versus-dual-zone choice matters less for basic operation than how the unit is used during a cook. Its 6.4L cavity fits typical family portions, and the interface is straightforward enough for repeat meals. The key workflow is: load the basket, set the time and temperature, then press start. Because "No Shaking and No Preheating" are stated, mid-cook interventions are not required for many recipes, which simplifies timing. Controls appear practical.
Cleaning and Maintenance
Cleaning and Maintenance is usually straightforward with this air fryer, supported by the "No Shaking and No Preheating" approach, which reduces the need to handle greasy parts mid-cook. After each use, allow the 6.4L basket and any removable sections to cool fully, then wipe them with warm water and a mild detergent. For heavy residue, soaking can help before gentle scrubbing. Clean the exterior with a damp cloth and keep the vents clear. Stubborn stains may require repeat cleaning, and thorough drying helps prevent odours.
Noise and Energy Use
Noise and energy use are worth considering alongside day-to-day care, because cooking longer than planned can increase overall running time. For day-to-day use, the air fryer is described as having "No Noise During Cooking", which suggests a quieter cooking experience than louder basket models. Energy draw and running cost depend on cooking duration and selected programmes, so batches still need to be timed properly. The top and bottom heating can support more even results, which may reduce the need for repeat cooking. With 6.4L capacity, larger portions may use more energy, while smaller meals can remain more efficient.
Who Is This Air Fryer For?
This air fryer suits people who want a larger, less hands-on cooking routine, as the Cosori Dual Blaze has a 6.4L capacity and is described as "No Shaking & No Preheating." A 6.4L basket is well suited to families or batch-cooking, helping with bigger portions using a straightforward start-to-finish process with no requirement for preheating and no shaking step. It also fits buyers who prefer an approach designed around minimal intervention during cooking. Those cooking for one may find a larger basket less efficient.
Where to Buy in the UK
Where can someone buy the Cosori Dual Blaze Air Fryer in the UK?
Someone can buy the Cosori Fryer in the UK through major retailers such as Amazon UK, John Lewis, Currys, AO, and Argos. It may also be available via the brand's own store listings if present in the UK.
What to check before ordering
Before placing an order, confirm the exact model name and that the listing is for the black 6.4L unit. Check that the product description specifically mentions both top and bottom heating, along with "no shaking" and "no preheating". Verify what is included in the box and whether app connectivity is supported, since those details are not stated in the product name. If delivery costs are high, compare the total price at checkout across the retailers above.
Frequently Asked Questions
Is the air fryer worth it?
For faster, lower-oil cooking of chips, chicken, veg and reheats, the Cosori earns its place with 6.4L capacity. It is also cheaper to run than heating a full-size oven - check the current Amazon UK price, as it changes often.
Is the air fryer big enough for a family?
This air fryer has 6.4L capacity. As a rough guide, 4-5L suits 1-2 people, 6-8L suits 3-4, and larger or dual-drawer models suit families of 4 or more.
What are the downsides of the Cosori?
Air fryers take up worktop space, cook smaller batches than a full oven, and some foods still need a light oil spray. They are best for crisping and reheating rather than replacing every oven job, which is why they suit some kitchens better than others.
Is the Cosori Dual Blaze cheaper to run than an oven?
For small and medium portions, usually yes - the air fryer heats a much smaller space than a full-size oven and cooks faster, so it uses less energy. For large meals that fill a big oven anyway, the saving is smaller. Exact cost depends on its wattage and your tariff.
Is this air fryer easy to clean?
The drawer and crisper plate wipe or wash clean; non-stick coatings make this easier. Clean it after each use, as baked-on grease is harder to remove later.
Do you need oil in the Cosori?
Little or none - the air fryer circulates hot air to crisp food, so most things need only a light spray of oil or none at all. Naturally fatty foods like sausages need no added oil, while a fine mist helps fresh chips and breaded items crisp up.