Siemens iQ300 KI96NVFD0G review
Best for: Kitchens with a tall 194 cm housing · Upper mid-range
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Pros
- Most capacity here at 290 L
- D energy class, 184 kWh a year
- Fixed hinge holds heavy door fronts well
- Quiet at 34 dB(A)
Cons
- Needs a 194 cm niche, not the usual 178 cm
- Only the freezer is frost free
Full review
The Siemens iQ300 KI96NVFD0G is the integrated fridge freezer to pick if your kitchen has a tall housing. At 193.5 cm high it needs a 194 cm niche rather than the common 177.5 cm, and in return gives you 290 litres, the most in this comparison.
The 215-litre fridge has a hyperFresh 0°C drawer with humidity control for meat, fish and veg, and autoAirflow spreads cold air evenly. The 75-litre freezer has three drawers, a four-star rating and noFrost, so you never need to defrost it. Supercooling and superFreezing are included.
It is also more efficient than most integrated models: D-rated at 184 kWh a year, about 50 kWh less than the E-rated Bosch KIN86VSE0G. Noise is low at 34 dB(A), class B.
The fixed (flat) hinge attaches the kitchen door directly to the appliance door. That is sturdier than a sliding hinge and the doors line up perfectly, but your kitchen door must suit this fixing. There is no Wi-Fi. Siemens lists five years of cover for purchases from April 2026 to March 2027 if you register within three months.
Full specifications
| Type / split | Built-in, 70/30, tall niche |
|---|---|
| Total capacity | 290 L |
| Fridge capacity | 215 L |
| Freezer capacity | 75 L |
| Energy class | D |
| Energy use per year | 184 kWh |
| Noise / noise class | 34 dB(A), class B |
| Frost free | Freezer only (noFrost) |
| Cooling technology | autoAirflow |
| Freezer rating / climate class | 4-star / SN-ST |
| Fast freeze / fast cool | supercooling and superFreezing |
| Crisper / fresh zone | hyperFresh 0°C drawer with humidity control |
| Door fixing | Fixed (flat) hinge, reversible |
| Niche size (H x W x D) | 194 x 56 x 55 cm |
| Appliance size (H x W x D) | 193.5 x 55.8 x 54.8 cm |
| Smart / app | No |
| Warranty | 5 years with registration (Siemens offer 1 Apr 2026 to 31 Mar 2027) |
Spec check note: RDO describes the unit simply as 'frost free'; Siemens lists noFrost for the freezer and 'Total noFrost: No', so the fridge uses standard automatic defrost.
Specifications checked against: Siemens UK product page, RDO Kitchens & Appliances specifications
How it compares with its rivals
| Feature | Siemens iQ300 KI96NVFD0G | Bosch Series 4 KIN86VSE0G | Haier ID Titanium 2 HBQW5518DK | Hisense RIB312F4AWE | Miele KFN 7734 C |
|---|---|---|---|---|---|
| Best for | Kitchens with a tall 194 cm housing | Most fitted kitchens | Quiet, efficient and app-connected | Lowest price for a frost-free built-in | Lowest running costs in a built-in |
| Price band | Upper mid-range | Upper mid-range | Upper mid-range | Budget | Premium |
| Type / split | Built-in, 70/30, tall niche | Built-in, about 70/30 | Built-in, 70/30 | Built-in, 70/30 | Built-in, about 72/28 |
| Total capacity | 290 L | 260 L | 251 L | 246 L | 253 L (usable) |
| Fridge capacity | 215 L | 184 L | 178 L | 183 L | 183 L |
| Freezer capacity | 75 L | 76 L | 73 L | 63 L | 70 L |
| Energy class | D | E | D | E | C |
| Energy use per year | 184 kWh | 234 kWh | 183 kWh | 217 kWh | 145 kWh |
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