







At a glance
At a glance
A built-under integrated freezer with Total NoFrost, 85 litres over three drawers and a door alarm, sitting behind a furniture front in a standard 60 cm housing.
The GUN21VFE0G is Bosch's Series 4 built-under freezer, designed to sit under a worktop in an 820 by 600 by 550 mm niche behind a kitchen door. It holds 85 litres in three drawers and suits kitchens where the freezer needs to disappear into the run of units rather than stand apart.
Total NoFrost is the reason to choose it. Air humidity is handled automatically, so ice never forms on the walls or on your food and manual defrosting is off the list for good. It also freezes quickly, rated at 8.0 kg of fresh food in 24 hours, and runs at a quiet 35 dB(A).
Ideal for
Fitted kitchens
A flat hinge and a 820 by 600 by 550 mm niche let it sit under the worktop behind a matching door, so the cabinetry runs unbroken across the room.
No more defrosting
Total NoFrost stops ice forming inside, which removes the annual job of emptying the freezer, waiting for it to thaw and mopping out the water.
Open-plan rooms
At 35 dB(A) with a class B noise rating, this is one of the quieter freezers to put in a kitchen that doubles as a living space.
Key features
Total NoFrost
Frost is prevented from building up inside the cabinet, so the freezer never needs manual defrosting and drawers do not seize up over the winter.
85 litres, three drawers
Frozen storage is divided across three drawers, giving 85 litres in total within a standard under counter footprint of 82 by 59.8 cm.
8 kg freezing capacity
Bosch rates it at 8.0 kg of fresh food frozen in 24 hours, which is generous for a freezer of this size.
SuperFreezing function
Switch it on before adding a big shop and the cabinet chills down first, protecting food that is already frozen from partial thawing.
Door open alarm
An LED display shows status and warns you if the door has been left ajar or the internal temperature has risen, before food is affected.
LED interior lighting
The inside is lit by LED, so the contents of all three drawers are visible even when the freezer sits low under a worktop.
More to know
What Total NoFrost actually changes
Frost builds up in a conventional freezer every time moist air meets cold surfaces, and eventually you have to empty everything out and defrost the cabinet. Total NoFrost prevents that build-up entirely, so drawers keep sliding freely, packaging stays legible and the usable space does not shrink as ice creeps in. It is the single biggest quality of life difference between this Series 4 and a cheaper static freezer. Bosch rates the appliance at 189 kWh a year, class E on the current label.
Fitting it under the worktop
This is a built-under appliance with a flat hinge, which means the furniture door is fixed directly to the freezer door and opens with it. It needs a niche of 820 mm high, 600 mm wide and 550 mm deep, and the appliance itself measures 82 by 59.8 by 54.8 cm. The hinge is right hand as supplied and can be reversed. Bosch also offers a stainless steel attachment door, reference KUZ20SX0, if you would rather not use a kitchen panel.
Freezing quickly and quietly
A freezing capacity of 8.0 kg in 24 hours is high for a cabinet of 85 litres, so a bulk shop or a session of batch cooking freezes through properly rather than slowly. SuperFreezing lowers the temperature first when you know a lot is going in. Day to day the freezer runs at 35 dB(A), a class B noise rating, and if the door is left open or the temperature rises the LED display tells you. Frozen food stays safe for nine hours if the power goes off.
Specifications
| Brand | Bosch |
|---|---|
| Model | GUN21VFE0G |
| Product Type | Built-Under Integrated Freezer |
| Series | Series 4 |
| Freezer Capacity | 85 litres |
| Energy Rating | E |
| Energy Consumption | 189 kWh per year |
| Star Rating | 4 star |
| Freezing Capacity | 8.0 kg in 24 hours |
| Storage Time in Power Failure | 9 h |
| Noise Level | 35 dB(A) re 1pW (noise class B) |
| Defrosting | Total NoFrost - fully automatic, no manual defrosting |
| Drawers | 3 freezer drawers, 0 freezing flaps |
| Features | SuperFreezing, LED interior light, LED indication display, door open alarm and temperature rise warning |
| Door Hinge | Right, reversible - flat hinge (fixed door, takes a furniture front) |
| Climate Class | Extended temperate, temperate, subtropical, tropical |
| Connectivity | No Home Connect |
| Dimensions (H x W x D) | 82.0 x 59.8 x 54.8 cm |
| Niche Size (H x W x D) | 820 x 600 x 550 mm |
| Weight | 30.3 kg |
| Power Cord Length | 230 cm |
| Optional Accessory | KUZ20SX0 stainless steel attachment door |
| Warranty | 2 Year Warranty |
What's in the box
- Built-under freezer x1
- Ice cube tray x1
- Installation/user manual x1
Compare Similar Models

| Specification | Bosch Series 4 Built-Under Freezer NoFrost 60cm | NEFF N50 Built-Under NoFrost Freezer - White | Bosch Series 4 Built-In Under Counter Freezer 56cm | Bosch Series 4 Freestanding Frost Free Freezer 186cm - White |
|---|
At a glance
From the Knowledge Centre
Guides and advice related to this product
Energy efficiency
- Energy Consumption189 kWh per year
- Noise Level35 dB(A) re 1pW (noise class B)
Product information
Delivery
- Delivery for this item:
- Estimated delivery:
- A 2-person delivery service is available for large appliances.
Returns
- Changed your mind? Online orders can be cancelled within 14 days of delivery under EU distance-selling rules.
- Faulty goods are covered by your statutory consumer rights, in addition to any manufacturer warranty.
- Need help? Call us on 01 531 0700.
Recycling your old electricals
Waste Electrical and Electronic Equipment (WEEE) is taken back free of charge on a one-for-one, like-for-like basis. Waste batteries including rechargeable batteries are taken back free of charge. You are not obliged to make any purchase when returning old batteries. Each local authority must also accept household WEEE and small batteries free of charge at its recycling facilities. All WEEE and waste batteries must be recycled and should not be placed in any of your household wheelie bins. Make sure you always recycle all your old electrical goods and batteries.
Take-back is available at Euronics member stores. Find your nearest store or see how take-back works, including collection when we deliver a large appliance.
Warranty and your rights
- Manufacturer warranty
- 2 Year Warranty
A manufacturer warranty is provided by the manufacturer and is separate from your legal rights. By law you are entitled to remedies from the seller, free of charge, if goods are not in conformity with the contract. Those rights are not affected by any manufacturer warranty.
Your legal guarantee: the official EU notice
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In Ireland the two-year period is a minimum. The six-year limitation period in which consumers in Ireland can raise a problem with goods is not affected.
Read the notice as text
Legal guarantee
Minimum two-year legal guarantee protection for goods sold in the European Union.
Consumers can claim their rights under the legal guarantee of conformity, for example if goods:
- do not match the description;
- do not function as intended.
Sellers are liable for any lack of conformity which existed when the goods were delivered, and which becomes apparent within the legal guarantee period. Sellers in such a situation are required to offer:
- free repair or free replacement;
- in some cases, a price reduction or full reimbursement.
Some countries have a longer legal guarantee period. For second-hand goods, a shorter period may apply, but not less than one year.
For more information on your rights in a specific country, scan the QR code below or ask the seller. europa.eu/youreurope/guarantees
What to do if you receive non-conforming goods:
- Contact the seller as soon as possible to report the issue;
- Provide proof of purchase, such as a receipt, invoice, or bank statement.
Sellers and producers may also offer commercial guarantees, which apply independently from the legal guarantee. For example, you may see this GARAN label representing a commercial guarantee of durability offered by the producer at no additional cost and covering the entire good.



