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Comparison Bosch WTYH 7781 vs Bosch WTY 887W0

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Bosch WTYH 7781
Bosch WTY 887W0
Bosch WTYH 7781Bosch WTY 887W0
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Drying typecondensing (heat pump)condensing (heat pump)
Capacity9 kg9 kg
Drum volume112 L112 L
Features
Number of drying programmes1412
Custom programme
Anti-crease function
Moisture sensor
Delay start timer
Quick dry
Refresh cycle
Drum lighting
Self-cleaning heat exchanger
Drain into sewer
Condensate tank indicator
Condensate tank volume4.6 L
Efficiency classes
Energy class
A++ /259 kWh/year/
А+++ /175 kWh/year/
Noise level64 dB61 dB
More specs
Controlsrotary knob + touch controlsrotary knob + touch controls
Control via Internet
DisplayTFTTFT
Child lock
Surge protection
Door shaperound with glassround with glass
Dimensions (HxWxD)84x60x60 cm82x60x60 cm
Color
Added to E-Catalogaugust 2018october 2017

Number of drying programmes

The number of preset drying programmes. Such programmes are often optimized for a specific type of fabric: linen, silk, synthetics, etc. The more drying programmes, the more versatile and easier the dryer is to use. However, a specific set of modes in different models may be different, and even a large variety of programmes does not guarantee that one of them will be suitable. So before buying, it is advisable to specify not only the quantity but the list of claimed programmes.

Condensate tank volume

Only condenser dryers have such a tank (see "Drying type"). The larger the tank, the less often you have to get rid of the accumulated liquid. At the same time, in most models, the volume of the condensate tank is standard — about 5 – 6 litres: this is considered the best compromise between capacity and dimensions.

Energy class

The energy consumption class shows not the actual energy consumption but the efficiency of the dryer. In other words, what part of the electricity consumed goes directly to useful work. For dryers, this parameter is especially important because such devices have high electricity consumption. As a result, models with the same capabilities but different energy efficiency classes differ markedly in terms of operating costs (in terms of electricity bills). However, more economical units themselves are more expensive. nevertheless, this difference quickly pays off.

Initially, classes were marked in Latin letters from A(the highest class) and further alphabetically. In the course of technology development, more economical levels of consumption than the original class A appeared — they are labelled as A+, A++, A+++, etc. Actually, the highest efficiency class in modern dryers is exactly A +++ ; level A — A+ can be called good, B — average, C — acceptable.

Noise level

The noise level generated by the dryer during operation. Usually, the specs indicate the maximum volume of the device, in the noisiest mode — when other programmes are running, this figure may be lower. We note that the noise level also depends on the features of the installation: for example, if the machine does not stand firmly on all four legs, vibration from drum rotation can create additional noise. And the tiled walls amplify the sound by creating an echo. Nevertheless, it is best to evaluate the device precisely by the noise level stated in the specifications. And here it is worth bearing in mind that the decibel used to denote loudness is a non-linear value, and it is best to evaluate the actual loudness of the unit using comparative tables. Here is the simplest such table for the volume range in which modern dryers operate:

65 dB — a person's voice in raised tones at a distance of 1 m;
70 dB — a loud conversation of several people at the same distance;
75 dB — loud laughter at a distance of 1 m;
80 dB — motorcycle engine, medium power vacuum cleaner.


The quieter the machine is, the more comfortable it will be to use and the better it will be suitable for a specific environment (for example, if there is a small child in the house or if you plan to run drying at night). At the same time, it is worth considering not only the actual noise level but also the installation location of the device. If the dryer is planned to...be installed in the basement of a private house with thick ceilings and the bedroom is located on the second floor, you can not pay much attention to the noise level: even the loudest unit is unlikely to create inconvenience.

Control via Internet

It is the ability to control the dryer via the Internet. For example, via a special application on a smartphone or a browser on a PC.

The main advantage of such control is that it can be done from almost anywhere in the world where there is an Internet connection. In addition, this function allows not only to give commands to the unit but also to monitor its condition: for example, the machine can report the remaining operating time, warn the user about various failures, etc. The specific capabilities and technical features of control via the Internet should be clarified separately. We only note that the connection of the machine to the network is usually carried out via Wi-Fi.

Surge protection

It is a system that protects the dryer from power surges. Usually, such protection includes the simplest voltage stabilizer capable of coping with relatively low-power short-term drops. If the capabilities of the stabilizer are not enough, the system completely disconnects the dryer from the mains and resumes power only when the voltage parameters return to normal. Usually, the current programme is remembered and, after switching on, continues from the same point where it stopped.
Bosch WTYH 7781 often compared
Bosch WTY 887W0 often compared