Available 
Hisense PureFlat Infinite RQ758N4SWSE Total No Frost Multi-door American Fridge Freezer
from £1,199.
£1,199
Rated 4.9 / 5 from up to 3,271 reviews
Colours tracked: Stainless Steel
Guide
How to choose a fridge freezer: size, style and features explained
Compare AO fridge freezers by size, fit, layout and features first, then weigh the Hisense and Haier examples against your kitchen space and budget.
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Last verified: 2026-07-16
What size fridge freezer do I need?
Start with capacity planning, because the right size depends more on household habits than on brand names. AO’s buying advice points shoppers toward size, layout and features, and the three example models show how the price range stretches from the Haier 3D 60 Series 5 HTW5618ENMG at £549 to the Hisense PureFlat Infinite RQ758N4SWSE at £1,199. For singles and couples, a compact or mid-size 60/40 model may be easier to justify; for larger families or bulk shoppers, the Hisense multi-door American fridge freezer is the more spacious format to inspect first.
Freestanding vs built-in fridge freezers
Installation type should come before finish, because fit problems are more expensive than style preferences. AO’s measurement guidance says shoppers should check dimensions carefully, especially for built-in and American-style fridge freezers, so compare the product page measurements, clearance space and kitchen layout before ordering. In this shortlist, the two Haier 3D 60 Series 5 models are listed as freestanding, while the Hisense PureFlat Infinite RQ758N4SWSE is an American-style multi-door model that needs more room and a closer look at door swing and side clearance.
Frost free and Total No Frost: what it means
Total No Frost is mainly a maintenance feature, not a luxury flourish, because it reduces the need for manual defrosting and helps busy households avoid ice build-up. That matters most if you want a lower-fuss fridge freezer that fits into everyday life without regular upkeep chores. Both Haier examples and the Hisense model use Total No Frost in their titles, so the practical comparison is less about whether you need frost-free convenience and more about which format, capacity and price level suits you best.
Which layouts are best for different households?
Layout changes how the fridge freezer feels to live with every day, so compare split ratio and access as carefully as price. A 60/40 model such as the Haier HTW5618ENMG or HTW5618EWMG usually suits shoppers who want a little more fridge space than freezer space, while a multi-door American fridge freezer like the Hisense PureFlat Infinite RQ758N4SWSE suits larger households that want broader access and a more premium format. AO’s guidance around size and style makes this the key decision point before you even compare colours or smart extras.
Useful features worth paying for
Features only add value if they solve a real daily problem, so compare them against how you actually shop and store food. The Hisense PureFlat Infinite RQ758N4SWSE lists WiFi connected as a secondary attribute, which may appeal if you want a smarter appliance, but it sits in a much higher price bracket than the Haier 3D 60 Series 5 models at £549 and £729. If you are not likely to use app-style convenience, a well-sized Total No Frost 60/40 model may deliver better value than paying extra for smart features you barely notice.
What the wider research shows
AO’s fridge freezer guide consistently pushes shoppers toward the same priorities: size, layout and energy efficiency. That aligns with the shortlist evidence, where all three models carry a 4.9 average rating, the Hisense PureFlat Infinite RQ758N4SWSE has the strongest visible review count at up to 3,271, and each Haier model reaches up to 2,471 reviews. High ratings and strong counts can be reassuring popularity signals, but they do not confirm long-term reliability, noise, repairability or the exact day-to-day fit in your kitchen, so the live product page still needs checking.
How to turn the advice into a shortlist
Use the £549 to £1,199 spread to separate value-focused shopping from premium-format shopping. The two Haier 3D 60 Series 5 models are close enough to compare mainly on finish and price, while the Hisense PureFlat Infinite RQ758N4SWSE is the clearer premium pick to inspect if you want a multi-door American fridge freezer with WiFi connected listed as an extra feature. Before buying, verify the latest dimensions, energy rating, delivery options and stock on AO, because some live product details were unavailable during checking and the smarter choice depends on fit as much as on rating strength.
Electricals to use as comparison examples
Available 
Haier 3D 60 Series 5 HTW5618ENMG 185cm 60/40 Total No Frost Fridge Freezer
from £549.
£549
Rated 4.9 / 5 from up to 2,471 reviews
Colours tracked: Silver
Available 
Haier 3D 60 Series 5 HTW5618EWMG 185cm 60/40 Total No Frost Fridge Freezer
from £729.
£729
Rated 4.9 / 5 from up to 2,471 reviews
Colours tracked: Stainless Steel
Retailer details used
Last checked 2026-07-16. The source list below is included to help you check the details behind the comparison. Always confirm the latest price, delivery cost, stock status and product details with the retailer before buying.
- Fridge Freezer Buying Guide | Find the Right One | ao.comPrimary buying-guide framing, size/style/features, energy efficiency
- Freestanding Fridge Freezer Housing Units | Expert AO AdviceIntegrated sizing, measurement guidance, standard built-in fit
- American Fridge Freezer Height Guide | Easy Measurement TipsAmerican-style fit and measurement advice
- Fridge Buying Guide | Find the Right Fridge | ao.comEnergy efficiency, feature considerations, safety note
- Cooling Hub | ao.comOrganisation, smart features, waste-reduction context
- Fridge Freezers | ao.comAdjustable shelves, zones, and general category feature examples
Helpful next reads
Use these related electricals guides and reviews to turn the advice into a practical shortlist.
Firmness questions
How do I choose the right fridge freezer size for my household?
Match the capacity to how many people you shop for, how often you bulk buy and how much freezer space you actually use. In this shortlist, the Hisense multi-door American model points to larger-household use, while the two Haier 60/40 models are easier starting points for smaller kitchens or more balanced storage needs.
Do I need to check dimensions and clearance before buying a fridge freezer?
Yes. AO’s guidance puts measurement at the top of the list, especially for built-in and American-style models, because a fridge freezer can look right online but still be too tall, too wide or awkward for door swing and side clearance once it arrives.
Is Total No Frost worth paying extra for?
For many shoppers, yes, because it reduces manual defrosting and helps keep maintenance low. In this shortlist, all three models include Total No Frost, so the real decision is whether the layout, size and price are right rather than whether you need that convenience feature at all.
Can I rely on high ratings and review counts when choosing at AO?
They are useful confidence signals, especially when a model like the Hisense PureFlat Infinite RQ758N4SWSE has up to 3,271 reviews at 4.9 stars, but they do not prove durability or confirm the exact live specification. Always check the product page for dimensions, energy rating and installation details before ordering.