Available 
Hisense PureFlat Infinite RQ758N4SWSE Total No Frost Multi-door American Fridge Freezer
from £999.
£999
Rated 4.9 / 5 from up to 3,258 reviews
Colours tracked: Stainless Steel
Guide
How to choose the right fridge freezer size, style and features
Choose a fridge freezer by measuring the space first, then comparing capacity, layout, energy rating and features against your household needs.
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Last verified: 2026-07-23
Start with the space you actually have
Before comparing fridge freezers, measure the full fit rather than just the cabinet footprint. AO guidance says to check height, width, depth, door swing and the delivery path through halls, corners and doorways, and integrated models are generally designed for a standard 60cm wide by 60cm deep housing unit. Freestanding models are more flexible, but they still need room for doors to open and clear access on delivery day.
Choose the right style for your household
The right split depends on how your household shops and cooks. AO’s buying guidance points shoppers toward layouts such as 70/30 for more fresh food space, while 50/50 is a more balanced option; larger households may also find multi-door or American-style formats more practical because they spread storage out and make access easier. If freezer use is lighter, don’t pay for a layout that gives away too much fridge space.
Capacity and storage features that matter
Capacity is about more than litres: it affects whether weekly groceries, bulk buys and frozen food all fit without awkward stacking. Features like frost-free cooling, adjustable shelving, drawers and flexible storage can make a big difference day to day, but they should be treated as trade-offs against price. In this guide’s Hisense examples, all three models are large-capacity, WiFi-connected fridge freezers, so the more useful comparison is how their storage layout and feature set match the household rather than assuming the dearer model is automatically better.
Energy use and smart features
The current energy rating scale runs from A to G, with A the most efficient, so that label is still one of the most useful value checks when comparing fridge freezers. Smart extras like WiFi connectivity may be convenient, but they should sit behind fit, capacity and energy rating in your decision order. On the supplied shortlist, the price range runs from £599 to £999, so it is worth checking whether the extra spend buys a meaningfully better layout or just a convenience feature.
Common mistakes to avoid
The most common mistakes are buying too small, forgetting the delivery path, or focusing on features before measuring the space. Door clearance matters as much as cabinet size in tighter kitchens, especially when a model has wide-opening doors or needs more room beside a wall. Always confirm the live retailer page for exact dimensions, hinge details, installation type and current price, because those details can change the real-world fit more than the headline product name.
What the evidence most clearly supports
The strongest guidance across AO and related appliance advice is consistent: start with size, split type, features and energy rating, then use style and convenience extras to narrow the shortlist. The three example products are all Hisense fridge freezers, all sit in a large-capacity, connected format, and all have a 4.9 average rating, but the review counts vary sharply from 216 to 3,258. That means the page is useful as a cautious comparison, not a definitive ranking, and shoppers should verify the live AO page for dimensions, hinge fit, delivery terms and current specification before buying.
How to turn the shortlist into a sensible choice
Use the £599, £799 and £999 Hisense examples as a price-and-spec ladder rather than a winner’s podium. The cheaper model may suit a shopper who mainly wants a large-capacity multi-door fridge freezer, while the £999 option has the strongest visible review volume at 3,258 reviews, but that is only a popularity cue, not proof of better everyday use. If you want the best value for your kitchen, compare freestanding versus integrated fit, check whether WiFi matters to you, and verify the live energy rating, dimensions and delivery details on AO before you decide.
Electricals to use as comparison examples
Available 
Hisense FMN470W20E Total No Frost Multi-door American Fridge Freezer
from £799.
£799
Rated 4.9 / 5 from up to 384 reviews
Colours tracked: Stainless Steel
Available 
Hisense PureFlat Infinite RQ5P470SMFE Total No Frost Multi-door American Fridge Freezer
from £599.
£599
Rated 4.9 / 5 from up to 216 reviews
Colours tracked: Black
Retailer details used
Last checked 2026-07-23. 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.comCore AO buying-guide context: size, split type, features, energy rating, capacity, hinge types, features, and price ranges.
- Fridge Freezer Measurement Guide | Integrated & Freestanding Sizes | AOMeasurement, fit type, standard integrated size, ventilation, hinge compatibility, and installation guidance.
- Fridge freezers | AO CareCapacity in litres, shopping-bag equivalence, and fridge/freezer split examples.
- Refrigerator Sizes and How to Measure a Refrigerator | GE AppliancesMeasurement, style differences, clearance, and useful features.
- Refrigerator Buying Guide | How to Buy a Fridge | BoschInstallation type, size/depth, and feature-selection context.
- What Size Refrigerator Do I Need? | Samsung USHousehold-size and grocery-pattern guidance for capacity choice.
Helpful next reads
Use these related electricals guides and reviews to turn the advice into a practical shortlist.
Firmness questions
How do I know what fridge freezer size I need?
Start by measuring the available height, width, depth and door clearance, then match capacity to how you shop. Bigger households usually need more fridge space, more freezer space or both, while smaller kitchens may need a more compact layout even if the household is large.
Is frost-free worth paying extra for?
Often yes, because frost-free cooling reduces ice build-up and saves you from manual defrosting. It is usually worth paying for when the fridge freezer will be used heavily, but only if the size, split and energy rating already suit your kitchen and household.
Do smart features matter more than capacity and fit?
No. WiFi connectivity can be handy, but it is a convenience extra, not a substitute for the right dimensions, split ratio and installation type. On the Hisense examples here, the better first comparison is whether the £599, £799 or £999 model fits your space and storage needs.