Best Frost Free Fridge Freezers: 5 UK Buys

Best Frost Free Fridge Freezers: 5 UK Buys
Lisa Norberg
7 October, 2026

Best frost free fridge freezers: our top five

The Fridgemaster MC55251D is the lowest-priced option listed here, the Hisense RB327N4WCE is the clearest 50/50 Total No Frost choice, and the Hisense RIB312F4AWE suits an integrated 70/30 kitchen. For 60/40 storage, choose between the lower-cost Fridgemaster and the larger Haier; the Bosch KIN86NSE0G is the integrated 60/40 option.

The important distinction is whether frost-free operation covers the freezer only or both compartments. Frost-free systems prevent ice building up in the freezer and remove the need for routine manual defrosting.

Model Type and split Listed price Best for
Fridgemaster MC55251D Freestanding, 60/40 Total No Frost £299 Lowest listed price
Hisense RB327N4WCE Freestanding, 50/50 Total No Frost £389 50/50 Total No Frost
Bosch Series 2 KGN27NWEAG Freestanding, 50/50 Frost Free £449 50/50 Bosch alternative
Haier 3D 55 Series 3 HTR3518ENMXK Freestanding, 60/40 Total No Frost £449 More fridge space with Total No Frost
Hisense RIB312F4AWE Integrated, 70/30 Frost Free £399 Integrated kitchens needing more fridge space
Bosch Series 2 KIN86NSE0G Integrated, 60/40 Frost Free £665 Integrated 60/40 storage

Prices can change, so check the retailer listing before ordering. The four freestanding prices are listed by AO; the integrated prices are listed in AO’s built-in appliance section.

1. Fridgemaster MC55251D: best lower-cost 60/40 option

The Fridgemaster MC55251D is the lowest-priced model in this comparison at £299. It is a 182cm freestanding fridge freezer with a 60/40 split and Total No Frost. That combination gives more space to chilled food than to frozen food while keeping automatic defrosting in both compartments. AO also listed an AO Members price of £289.

2. Hisense RB327N4WCE: best 50/50 Total No Frost option

The Hisense RB327N4WCE is a 182cm freestanding model with an equal 50/50 layout and Total No Frost. It suits households that use the fridge and freezer in roughly equal measure. The listed price was £389, with an AO Members price of £374.

3. Bosch Series 2 KGN27NWEAG: best 50/50 alternative

The Bosch Series 2 KGN27NWEAG is a 182cm freestanding 50/50 model listed at £449, or £434 for AO Members. Its Frost Free specification provides an alternative to the Total No Frost Hisense when an equal split is the priority.

4. Haier 3D 55 Series 3: best 60/40 Total No Frost upgrade

The Haier HTR3518ENMXK is a 185cm freestanding fridge freezer with a 60/40 split and Total No Frost. It was listed at £449, reduced to £390 for AO Members. It gives the fridge section the larger share while automatically defrosting both compartments according to its Total No Frost specification.

5. Hisense RIB312F4AWE: best integrated 70/30 choice

The Hisense RIB312F4AWE is a 177cm integrated Frost Free fridge freezer with a 70/30 split. Its layout prioritises chilled storage, making it suitable where fresh food takes precedence over frozen food. AO listed it at £399, or £394 for AO Members.

6. Bosch Series 2 KIN86NSE0G: best integrated 60/40 choice

The Bosch Series 2 KIN86NSE0G is a 177cm integrated 60/40 Frost Free fridge freezer. It was listed at £665, with an AO Members price of £657. Its split gives the fridge more capacity than the freezer while retaining an integrated installation format.

What does a frost free fridge freezer do?

A frost free fridge freezer uses air circulation to prevent frost accumulating in the freezer. These systems generally use fans to move air around the appliance, as explained by LG’s explanation of frost-free technology.

Beko distinguishes “Frost Free” from “Total NoFrost”. Frost Free automatically defrosts the freezer, while the fridge compartment may still need occasional manual defrosting. Total NoFrost automatically defrosts both compartments. This is the key specification to compare when avoiding manual defrosting throughout the appliance.

Which frost free fridge freezer split should you choose?

Layout Choose it when
50/50 You need comparable fridge and freezer space
60/40 You keep more fresh food than frozen food
70/30 Fresh food is the clear priority

A 50/50 fridge freezer provides comparable space for fresh and frozen food. A 60/40 model gives the fridge a larger share, while a 70/30 model is aimed at households where frozen storage is secondary. The split describes the intended allocation rather than necessarily stating the exact usable litres.

Integrated or freestanding frost free fridge freezer?

Choose an integrated model when the appliance must sit behind a kitchen door and match fitted cabinetry. Choose freestanding when you want a simpler installation format or more flexibility over placement. Integrated models need careful checks of housing height, width, depth and door-fixing arrangements.

The examples show that price varies by model rather than following a fixed rule. The integrated Hisense RIB312F4AWE is listed at £399, compared with £299 for the freestanding Fridgemaster MC55251D. At the higher end, the integrated Bosch KIN86NSE0G is listed at £665, while the freestanding Bosch KGN27NWEAG is £449.

What to check before buying

  1. Measure the installation space. Check height, width and depth, including clearance for doors and ventilation. This is particularly important for integrated appliances.
  2. Choose the split. Select 50/50 for balanced storage, 60/40 for more fridge capacity or 70/30 when chilled food dominates.
  3. Compare energy information. Which? says running costs range from approximately £35 to more than £160 per year depending on model type and size. Its estimates average approximately £74 per year for freestanding models and £72 for integrated models, based on tested models and an electricity unit price of 24.67p per kWh.
  4. Check the climate class. UK fridge freezers commonly have climate classes beginning with SN or N. Which? says these are designed for room temperatures as low as 10°C and 16°C respectively.

Price should not be the only filter. Which? says cheaper fridge freezers are less likely to perform impressively, while its testing measures chilling, freezing, energy efficiency, quietness and ease of use. Its March 2026 results included 19 Best Buys priced between £401 and £700, compared with five Best Buys between £251 and £400.

Frequently asked questions

Is it worth getting a frost free fridge freezer?

Yes, for most households the main benefit is avoiding the messy, time-consuming job of manually defrosting the freezer. Which? describes frost-free technology as a feature that can make a major practical difference.

What is the downside to a frost-free freezer?

The term does not always cover the whole appliance: a Frost Free model can automatically defrost the freezer while the fridge still needs occasional manual defrosting.

What is the best frost-free fridge freezer?

The best choice depends on the required format. Choose the Fridgemaster MC55251D for the lowest listed price, the Hisense RB327N4WCE for 50/50 Total No Frost, the Fridgemaster or Haier for 60/40 Total No Frost, the Hisense RIB312F4AWE for integrated 70/30 storage, or the Bosch KIN86NSE0G for integrated 60/40 storage.

What are the downsides of a No Frost refrigerator?

The main drawback is inconsistent terminology: No Frost labels do not always show whether automatic defrosting covers one compartment or both. The product’s exact frost-free specification therefore matters.

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