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Which? freezer tests reveal big freezing variations

Latest freezer results back from the Which? lab

Essentials CUF50W10

Just tested: Currys Essentials CUF50W10 freezer

The latest freezer results from the Which? test lab have uncovered a huge variation in freezing capacity, with some models able to freeze six times more fresh food than others.

And it’s not necessarily the larger freezers that boast the best freezing capacity. Our top three performers all fit beneath a kitchen worktop and two of them are built-in, so they will fit neatly behind a 90cm high kitchen unit door.

You can see all the latest test results in our freezer reviews. Use our compare features tool to choose the height, width, colour and price range of your ideal freezer.

Save money by stocking up

Freezing is a great way to take advantage of supermarket ‘buy-one-get-one-free’ offers, but our tests show that not all freezers are able to freeze food quickly and efficiently. The quicker food is frozen the better, as rapid freezing prevents the formation of large ice crystals, which can have a detrimental effect on the taste and texture of your food.

We measure how much fresh food our freezers can freeze in 24 hours, and found that one freezer managed to freeze an impressive 15kg, which is more than enough to cope with a basket full of supermarket bargains or a surplus of homegrown fruit and veg from the garden.

But the worst performer only managed to freeze a sixth of this.

The latest freezer models

Fridgemaster MTRZ82A

Just tested: Fridgemaster MTRZ82A freezer

Our latest reviews include manually defrosted freezers from Electrolux, Fridgemaster, Hotpoint and Indesit. We also looked at two silver coloured models from Logik, and an inexpensive Currys Essentials freezer.

And if you’d rather do without the hassle of regular defrosting, the Beko ZA95FW is frost-free, so this is one less chore to worry about.

Finding the best freezer

If you’re not sure which features to choose when buying a new freezer, our freezer features guide explains the pros and cons of the options available, including a summary of the ‘climate class’ rating. 

These letters (N, SN, ST and T) indicate the range of room temperatures the freezer is designed to be used in – but our tests show that some freezers cope better with a hot kitchen than others. We give each freezer a temperature stability rating of between one and five stars.

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