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When you want to buy household appliances, you will often compare price, brand and appearance first. However, this is not enough for large appliances and televisions. Inadequate dimensions, permanently high running costs or missing connections can turn an apparent bargain into an expensive mistake.
This buying guide explains which details matter before you buy, which advertising claims deserve closer scrutiny and which appliances suit different households.
For many product categories, energy efficiency classes range from A to G. However, a good rating does not automatically mean low overall costs. The specific consumption per 100 cycles, per year or per hour of operation is also important, as is how the appliance is actually used.
For example, a dishwasher with a larger capacity that is used infrequently may be less suitable than a compact appliance loaded to match your needs. Always compare:
You can find more appliances with different energy classes in our selection by energy class.
Steam programmes, app control, quick programmes and special hygiene options can be useful. However, they do not automatically make an appliance more practical. If you mainly wash small loads, you may not need a washer-dryer with a high washing capacity. If you rarely cook, you may gain less from an especially powerful cooker hood.
Before buying, check whether you will use the feature regularly and whether it involves additional installation or ongoing costs.
The external dimensions alone are not enough. For washing machines, washer-dryers, dishwashers and fridges, you must also consider door clearance, hose routing, ventilation and the distance from the wall. Built-in appliances also require the correct niche dimensions, furniture door and plinth height.
For example, a fully integrated dishwasher is supplied without a furniture door. During installation, the waste connection, power socket and adjustable feet must also be compatible with your existing kitchen.
For single people and couples, 7 kg washing capacity or a compact dishwasher may be sufficient. Families who run wash cycles frequently are more likely to benefit from 8 to 10 kg. With a washer-dryer, remember that the drying load is often smaller than the washing load. An appliance with 10 kg washing and 6 kg drying capacity must therefore not be loaded with 10 kg for a combined programme.
For a fridge, the balance between the fridge and freezer compartments should suit your shopping habits. A fridge with freezer compartment saves space, while a separate freezer can hold more supplies.
The noise rating in dB(A) is particularly relevant for open-plan kitchens or flats. Washing machines usually specify separate noise levels for washing and spinning. A higher spin speed can reduce residual moisture, but it is not necessary for every fabric programme.
For a heat pump tumble dryer, you should also check condensation efficiency, filter maintenance and whether a direct drainage connection is possible. Automatic moisture sensing can prevent textiles from being dried for longer than necessary.
A 4K Smart TV should not be chosen based on resolution alone. Also check the operating system, app selection, tuner, HDMI connections, refresh rate and VESA dimensions. A QLED TV or Mini-LED TV may be worth considering for specific picture requirements, but room size, viewing distance and lighting conditions remain crucial.
For appliances with app control, you should also check Wi-Fi compatibility, the required app, privacy information and the stated software support period.
Why this product suits the profile: The 7 kg drum and stated depth of 47 cm are suitable for smaller households and cramped utility rooms.
The compact dimensions make it easier to assess space requirements before ordering. Energy class A is stated in the product specifications.
16 programmes, 1,200 rpm and a 12-year motor warranty note, according to the product information.
Why this product suits the profile: For households that enjoy films, streaming and gaming, 4K resolution, Mini-LED technology and a high refresh rate are important points of comparison.
The specifications list specific connections, Tizen as the operating system and a VESA-compatible design. This makes it easier to check compatibility before installation.
55 inches, 3,840 × 2,160 pixels, Quantum Mini-LED technology and up to 144 Hz, according to the product data.
Why this product suits the profile: A separate freezer is ideal for families, bulk shoppers or households needing additional storage space in a cellar, garage or utility room.
The dimensions of 637 × 556 × 846 mm, castors and a drain at the front should make positioning and cleaning easier to plan.
140-litre capacity, removable basket, mechanical temperature control and a balanced lid, according to the product description.
Why this product suits the profile: 12 place settings, a height-adjustable upper basket and a half-load function are useful for regular family use.
The product information clearly states the niche dimensions, the fact that the furniture door is not included and the available programmes. This allows you to check the installation requirements in advance.
Eight programmes, 30-minute quick programme, extra drying and a delay-start function from 3 to 12 hours.
We have put together a complete, regularly updated list of products that fully meet these strict selection criteria and the safety regulations applicable in the EU.
Before you order household appliances online, make sure you have checked the following:
Consumption depends on the appliance type, model and how it is used. Tumble dryers, refrigeration appliances and freezers often run more frequently or for longer than other appliances. Compare the stated annual consumption and avoid choosing a size that is significantly larger than you actually need.
A washer-dryer saves space and can be practical for flats without a separate area for drying clothes. However, check the separate washing and drying capacities, consumption in the combined programme and programme duration. If you dry clothes frequently, separate appliances—a washing machine and heat pump tumble dryer—may offer greater flexibility.
Lifespan depends on factors including usage, maintenance, water hardness, loading and the availability of repairs. Clean filters and seals regularly, follow the manufacturer’s instructions and avoid overloading. Always distinguish warranty or motor warranty claims from the actual scope of the warranty.