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Bosch Condenser Tumble Dryer: Comparing WTW85460PL Heat Pump Model and Conventional Options

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  • #1201 21697084
    kemysz1
    Level 11  
    Hi. For those interested in the topic: in the photo gallery the interior of the Bosch heat pump dryer after less than 3 years of use.
    Attachments:
    • Suszarka Bosch-1-001.zip (100.95 MB) You must be logged in to download this attachment.
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  • #1202 21698193
    lukiiiii
    Level 29  
    What do you think of the qilive brand, specifically the qilive q.6166 dryer, in the marktet A.. newspaper, it is for 1399zł?
  • #1203 21698618
    mrice
    Moderator of Home appliances  
    Brand name, probably a joint development with Sharp, but what the distribution of parts will be like is uncertain.
    You may not be able to order anything for it in three years' time.
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  • #1204 21726867
    piokrza
    Level 27  
    kemysz1 wrote:
    Hi. For those interested in the subject: in the photo gallery the interior of the Bosch heat pump dryer after less than 3 years of use.


    what model of dryer is it and what condensation class is it in? you can see large leaks, so definitely not A class
  • #1205 21727709
    lukiiiii
    Level 29  
    I'm after cleaning the exchangers, it's seemingly better but not crazy.

    I am thinking of buying one, what do you recommend? I have noticed that a lot of dryers do not have a sponge/filter in front of the exchanger. When I asked the salesman about it, he said that just this model is self-cleaning.

    What do you think about self-cleaning?
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  • #1206 21727896
    jack63
    Level 43  
    piokrza wrote:
    what condensation class?

    What is this "condensation class" ??
    lukiiiii wrote:
    I've noticed that a lot of dryers don't have a sponge/filter in front of the exchanger

    Why bother the customer with cleaning the filter and annoy them by stopping the appliance when the filter gets clogged????
    Better to write that it is "self-cleaning". Not sure what cleans itself, but ...self is the key word.
    On top of that ...it might clog up on amen ... after the warranty ...
    lukiiiii wrote:
    What do you think of self-cleaning?

    A scam or a fraud. There is no way to clean either the retractable filter or even less the multi-row exchanger.
    All self-cleaning "technologies", apart from laksigen of course, have proved to be rubbish, from iron to air-conditioner filters.
  • #1207 21728211
    mrice
    Moderator of Home appliances  
    lukiiiii wrote:
    What do you think of the self-cleaning ones?


    One chortle, marketing putty.
  • #1208 21729156
    stasiekb100
    Level 30  
    I cleaned it with a high-pressure cleaner. You have to be careful not to bend the laths and flood the dryer.
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  • #1209 21730686
    mrice
    Moderator of Home appliances  
    With a pressure washer, it is not possible to properly envelop the device, it will be a "momentary" effect
  • #1210 21731145
    lukiiiii
    Level 29  
    I flew with a brush, I think from my shoes, in the shower. But there was no "wow" effect, something flew out there, works a bit better.
  • #1212 21737906
    gggggggggggg
    Level 11  
    >>21331285 >>21331285 Has a heat pump or heater?
  • #1213 21833412
    drboczek
    Level 9  
    lukiiiii wrote:
    What do you think of self-cleaners?


    As has already been written - rubbish and that's it.

    I bought some kind of Bosch series 4 (with heat pump) 2 years ago - it has a sponge filter, so I immediately bought a second one for replacement. Somewhere on yt I found a patent with interlining - you cut the interlining in the shape of a sponge and put it on before the sponge. I was a bit sceptical at first, because theoretically the air circulation is weaker, but the dryer has been running like this for 2 years and nothing happens. But. the first lint filter is cleaned after every drying - initially I washed it, but found that limescale from the water could build up on it (I'm probably exaggerating), and then I started using a hoover - 2 minutes work and the filter is ready to go, no more drying.

    I vacuum the interlining once a week and swap it out. The exchanger is clean - I sprayed it maybe twice with distilled water to get the dust off (but it was trace amounts).
    I don't know how much my fiddling will help the dryer's longevity, but for now I have a clean exchanger (at least the first one). Somehow, my warranty is running out now, so I'll wait until spring and take the casing off to vacuum the dust from inside - because there is bound to be some.
  • #1214 21833415
    mrice
    Moderator of Home appliances  
    drboczek wrote:
    I don't know how much these ceremonies of mine will help the life of the dryer

    In longevity nothing, in terms of exchanger cleanliness I think not much. The main problem is the inability to clean the second part of the exchanger and the condensate drain system. Knowing the life 5- 8 years and you will have to take it apart for cleaning anyway.
  • #1215 21833426
    drboczek
    Level 9  
    mrice wrote:
    Basic problem is the inability to clean the second part of the exchanger and the condensate drain system.


    Correct, that's why I pointed out that the first exchanger is clean. And whether I'll bother taking it apart, I doubt it - I've got the cheapest budget option and all those aluminium exchanger tubes - I get the impression it's all fragile and better not to move it. If it lasts another year or so it will be very good.
    I've got a simple bill for it - £1,800 / 36 msc = £50 a month for fast drying laundry, no air drying and time saved.
  • #1216 21833439
    mrice
    Moderator of Home appliances  
    drboczek wrote:
    I have a simple bill for this 1800£ / 36msc = 50£

    Very high.

    Let's put it this way, Bosch/Siemens dryer, let it cost 2500zł.
    Assuming a cleaning after 7 years by a service in a big city (we are talking about a decent cleaning), let it be 800PLN.
    That is, we have 120 months until the next cleaning.
    Let there be some repair on the way, e.g. 400 PLN.

    The vast majority of dryers of this brand will last up to 15 years. Let's say that this will be the end of it and there will be no second cleaning.

    The total cost of 3700 zł / 168msc = 22 zł per month. Besides, you have a good quality appliance which dries well and causes few problems.
  • #1217 21833447
    drboczek
    Level 9  
    mrice wrote:
    drboczek wrote:
    I have a simple bill for it1800£ / 36msc = 50£

    Very high.

    No no, for a flask of the cheapest whisky to dry for a whole month is probably a good deal?
    If we keep counting and saving so scrupulously, we'll be back to lines and sunshine.

    And seriously, I was (and probably still am) a bit sceptical about heat pump dryers - I previously had a regular heater dryer that still worked - the drum bearings made a bit of noise, but I replaced it with a new one, cleaned it, let it sit for a year in the garage and eventually gave it to friends, the philosophy behind the replacement was that I had a 16A fused socket in the bathroom and I didn't want my wife to switch on the washer and dryer at the same time - the pump dryer solved the problem - and it stopped making noise, the heater dried faster again, but apparently at a slightly higher temperature, because it shrank the clothes more. You don't get along.
    I don't believe they will make more and more durable appliances, but when I was buying it a lot of people (with the relatively low popularity of these appliances) complained about breakdowns after warranty and the high cost of repair - hence the decision to buy the cheapest option - well maybe not the cheapest, but the cheapest Bosch.

    On the other hand, when I bought the cheapest washing machine (Bosch series 4) 10 years ago, I also assumed it would last 3-4 years.
  • #1218 21833511
    pacpaw
    Level 12  
    Is this the Bosch Autoclean with the self-cleaning exchanger? The heat exchanger in what condition was it, because I couldn't see it in the photos.
  • #1219 21833532
    Zukes
    Level 10  
    It needs to be made clear that as this post was being put on Bosch and Siemens were not coping with cleaning and after 2-3 years a service call was necessary. This is what their autoclean looked like. I don't know how it is today, you have to ask them to show you how to clean after autoclean. If they say that you can't autoclean, you have to look for another dryer unless someone wants to take the dryer apart themselves every 2-3 years.
  • #1220 21833566
    shyhan777
    Level 10  
    >>20249791
    Continued... Report after 8 years. Dryer and Bosch WTG86400PL Series 6 Avantixx still working, without any breakdowns or errors, despite increased usage (my family has grown and there are now 2 3, including a 3 year old).
    Filter cleaned after every cycle. Heat exchanger thoroughly cleaned every 2-3 months.
    I stopped paying attention to electricity consumption a long time ago.... you have to live somehow.
  • #1221 21833571
    puniek71
    Level 10  
    A few years ago, a colleague who services household appliances told me that a heat pump dryer should not be completely drained of water so that it had something to wash it with, and that once a year I should clean it using a chlorine programme, I think it was ACE or something like that, and it's fine
  • #1222 21833736
    mikenapiorkowski
    Level 3  
    To my mind, it's a problem when it's plus 25°C and above outside or indoors. Which method works more efficiently then?
  • #1223 21833770
    Borutka
    Level 29  
    puniek71 wrote:
    no water must be completely poured out

    The AutoClean permanently holds over a litre and the user does not have access to drain this water
  • #1224 21833973
    mrice
    Moderator of Home appliances  
    drboczek wrote:
    No well, for a flask of the cheapest whisky to dry for a whole month is probably a good deal?


    but why, when you can do it cheaper and better ?

    drboczek wrote:
    I don't believe they will produce more and more durable equipment,

    There is a hint of truth in this, buying cheap devices will often be "just in time", but there are brands still offering products of a decent level, just have to do a bit of research before choosing, but it will pay off in the future


    drboczek wrote:
    when I bought it a lot of people (with the relatively low popularity of these devices) complained about failures after warranty and the high cost of repair

    This is exactly what happens with cheap appliances. Whether a washing machine is worth £200 or £2200, the cost of replacing component X will be comparable. This is generally a topic for a good lab.

    puniek71 wrote:
    A couple of years ago a colleague who services household appliances told me that water should not be completely drained from a heat pump dryer so that it has something to wash with

    It's a colleague doed that there's enough water from the cycle to do this, besides whether the exchanger on flush or not doesn't make any difference in principle, it will be cleaned after the same amount of time anyway.

    Borutka wrote:
    In AutoClean there is over a litre permanently and the user has no access to drain this water

    That what ? :lol:
    The exchanger is flushed directly from the condensate container, which the user can remove at any time except when draining the water.
  • #1225 21834034
    Borutka
    Level 29  
    mrice wrote:
    Borutka wrote:
    In AutoClean there is over a litre permanently and the user has no access to drain this water

    That what ?
    The exchanger is flushed directly from the condensate container which the user can remove at any time except when draining the water.

    ??
    There is a pool at the bottom virtually the entire depth of the dryer. The lint trap (i.e. the second filter) is permanently submerged in it.
    Of course, the exchanger is flushed from the top well because the water has it so, but with flushing the dryer does not have to wait for the drying water. The water circulates up and down and there is quite a lot of this circulation during drying, i.e. as many flushes. The water discharge for a single flush of the exchanger is large and sometimes probably greater than the condensate level after many a whole drying cycle.
    Once in a while (maybe a year) I suck some of this water out of the pit to suck out the loose lint that falls out of the settling tank. And then the drying water does not accumulate in the condensate container, but stays downstairs to replenish the condition in the first place.
  • #1226 21834105
    puniek71
    Level 10  
    After a thorough cleaning of the dryer and following a colleague's recommendation to only pour half of the water out, it is now the 6th year and everything is OK TFU TFU TFU TFU

    When things start to go wrong with the cleaning, I just use ACE and that's all I do, and I dry almost every day for a couple of washes
  • #1227 21834114
    Borutka
    Level 29  
    >>21834105
    puniek71 wrote:
    following a colleague's recommendation to only dump half the water, this is the 6th year

    Because it is a different flushing system
  • #1228 21834325
    mrice
    Moderator of Home appliances  
    Borutka wrote:
    There is a pool at the bottom virtually the entire depth of the dryer. The lint trap (that is, the second filter) is permanently submerged in it.


    This is not a pool or settling tank, but by design a drain for the pump, another issue is that the water stands there when the appliance is already saturated.
  • #1229 21834336
    Borutka
    Level 29  
    mrice wrote:
    Water is standing there as the unit is already saturated.
    Water has been standing since new and is unlikely to be pumped out, if only because the pump teat is at a certain height.
    AutoClean and the previous SelfCleaning Condenser are two different systems, which the internet unfortunately confuses with each other. Dryers with AutoClean had such a large inscription on the door. But the current Bosch production also refers to it as SelfCleaning Condenser, which in general means self-cleaning.
  • #1230 21836381
    mrice
    Moderator of Home appliances  
    Borutka wrote:
    The water has been standing since new and is unlikely to be pumped out, if only because the pump nipple is at a certain height.

    Are you talking about the pump chamber or the place at the front under the exchanger ?

    Borutka wrote:
    AutoClean and the previous SelfCleaning Condenser are two different systems

    I'm curious to know how they differ. I've built them up quite a bit in my life and haven't found any differences in construction....
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Topic summary

The discussion centers on choosing between Bosch condenser tumble dryers with and without heat pump technology, focusing on the Bosch WTW85460PL heat pump model and conventional condenser models like the WTB86201PL and WTG86400PL. Heat pump dryers offer lower energy consumption (approximately half) and gentler drying at lower temperatures (~55°C vs. 80°C), which reduces fabric damage. However, they have longer drying times, higher purchase and repair costs (notably expensive heat pump replacements), and require regular cleaning of densely finned heat exchangers that are difficult to access. Conventional condenser dryers are simpler, more reliable, easier and cheaper to maintain, and dry faster but consume more energy and generate more ambient heat, which can be beneficial in colder months. Energy consumption measurements show heat pump dryers use less electricity per drying cycle but the payback period depends on usage frequency and electricity costs. Users report mixed experiences with heat pump dryers regarding durability and maintenance complexity. The discussion also covers practical aspects such as placing dryers on washing machines using Bosch connectors, cleaning procedures for heat exchangers, and the impact of spin speed on drying efficiency. Other brands like Electrolux, AEG, Whirlpool, Hotpoint-Ariston, Candy, Gorenje, and Miele are mentioned, with some users sharing negative experiences with Electrolux heat pump models due to early failures. Overall, the consensus leans toward conventional Bosch condenser dryers for reliability and ease of maintenance, while heat pump models are favored for energy savings and fabric care if budget and maintenance are manageable.
Summary generated by the language model.
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