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Anyone know their dehumidifiers? Recommendation?

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Comments

  • Registered Users, Registered Users 2 Posts: 629 ✭✭✭GalaxyRyder


    Yeah, this isn't working out, the 12L compressor.

    I'm going to have to get a desiccant model.

    Extraction rate here is way too slow for the floor area, and the temperature I keep most rooms at isn't suitable for the compressor.

    I'll knock 50 euro off the buying price if anyone is interested.

    Post edited by GalaxyRyder on


  • Registered Users, Registered Users 2 Posts: 1,213 ✭✭✭Escapees


    A potential advantage of the desiccant type is that they heat the room slightly, which compensates for the fact that they can be less energy efficient then compressor types (depending on room temperature).



  • Registered Users, Registered Users 2, Paid Member Posts: 7,900 ✭✭✭appledrop


    @GalaxyRyder your not going to get rid of damp/mold if your not heating rooms, that's not the right approach to take, epecially in Ireland with oyr very damp climate.



  • Registered Users, Registered Users 2 Posts: 629 ✭✭✭GalaxyRyder


    Why wouldn't a desiccant model accomplish this?



  • Registered Users, Registered Users 2, Paid Member Posts: 14,469 ✭✭✭✭machiavellianme


    The Ecoair DD1 is my favourite. I've a Meaco and an Ebac but I leave the DD1 in the cold garage and it dries my laundry in 1/3 of the time. The other two are useless at colder temperatures, but very good in the kitchen or bathroom.

    Save boards.ie by subscribing: https://subscriptions.boards.ie/



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  • Registered Users, Registered Users 2 Posts: 1,213 ✭✭✭Escapees


    Can you confirm that you're comparing like with like, i.e. all desiccant types of humidifier etc?



  • Registered Users, Registered Users 2 Posts: 549 ✭✭✭pjdarcy


    Yeah, if the bathroom humidity was higher than it would affect the humidity in the other room.

    No dehumidifier is better at reducing humidity than just opening all the windows and internal doors and letting the air flow through the house though.



  • Registered Users, Registered Users 2 Posts: 629 ✭✭✭GalaxyRyder


    When I do this, open windows/doors, the humidity rises.

    I do it to get fresh air naturally, but it definitely doesn't reduce moisture content in the air, nor does it dry my clothes more quickly?



  • Registered Users, Registered Users 2 Posts: 1,213 ✭✭✭Escapees


    Nor does it keep the house warm at this time of year!!



  • Registered Users, Registered Users 2 Posts: 549 ✭✭✭pjdarcy


    It depends on the outside humidity level of course



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  • Registered Users, Registered Users 2 Posts: 629 ✭✭✭GalaxyRyder


    Curious whether your Meaco and Ebac are also desiccant models?

    Or compressor mechanisms?

    https://www.currys.co.uk/search?q=desiccant&pmin=100.0&pmax=240.0

    They're the only two desiccant models in Currys UK.



  • Registered Users, Registered Users 2 Posts: 5,723 ✭✭✭zilog_jones


    Heating the fabric of your home is going to do a far better job at drying it out, trying to do it only with a dehumidifier in this climate is a fool's errand. And just turning on the rads for a couple of months will probably cost about the same as buying another dehumidifier.



  • Registered Users, Registered Users 2 Posts: 629 ✭✭✭GalaxyRyder


    Could be.

    Last tenants that were here however complained about mould constantly, and they had the heat up pretty good.

    Never had a dehumidifier though.

    You could well be right, but in the last place I was in, one room was horrible for getting mould. It wasn't heated consistently, but was heated often.

    I put in a small dehumidifier and it was problem solved.

    The compressor Arete couldn't get humidity reliably below 67 degrees, so although the desiccant is 7x more expensive to run (35 cent per hour versus 5 cent per hour), I'm hoping a couple hours a day or so will make an impression.



  • Registered Users, Registered Users 2 Posts: 7,173 ✭✭✭Tombo2001


    I've used DeLonghi, they are good.



  • Registered Users, Registered Users 2 Posts: 350 ✭✭Redlim


    Agree with Zilog above - heating your home as a whole will help a lot. Humidity is measured in relative terms dependent on the air temperature, i.e. a specific amount of moisture in the air will show as a higher humidity level in a cold room than the exact same amount of moisture in a warmer room. Warming the house just a couple of degrees will bring down the humidity and chances of mould. You still need to let in fresh air though each day - that's where the last tenant may have gone wrong, e.g. not opening windows or using extractors for showers and cooking.

    An added benefit of warming the house a bit is that your compressor dehumidifier will work a lot better at pulling moisture out of the air - so it's a win win. It can take a few weeks for the humidity levels to stabilise at first as there's so much moisture built up in furniture, wardrobes, beds etc.

    If drying clothes - another tip to speed it up is to put a regular fan (if you have one) blowing across the clothes horse. It really helps the air circulation and is cheap as chips to run.



  • Registered Users, Registered Users 2 Posts: 629 ✭✭✭GalaxyRyder


    Any recommendations for a desiccant dehumidifier?

    https://www.currys.ie/products/meaco-dd8l-zambezi-desiccant-dehumidifier-white-10170824.html?q=desiccant

    This is the only one stocked in Curry's.

    There's a couple "EcoAir" models on the UK site.

    https://www.meaco.ie/meaco-dd8l-dehumidifier/

    Some variation on the above on the official site.

    https://www.meaco.com/search?type=product&options%5Bunavailable_products%5D=last&options%5Bprefix%5D=none&q=desiccant*

    The UK Meaco site has the "Pro DD8" variation.



  • Registered Users, Registered Users 2 Posts: 629 ✭✭✭GalaxyRyder


    I sold my old 12L and need to get a new one ASAP.

    Living in a humid place with no dehumidifier isn't…….. optimal.

    I'm still completely befuddled whether I should get a desiccant, or just a higher powered compressor model like the 20 or 25L, maybe version Two? (higher fan speed, cubic meter air turnover, and timer)

    Any further experiences with using desiccants would be welcome?

    I got a temperature and humidity gauge.

    My average temperature is between 12 and 14 degrees, and Relative Humidity typically between 70 and 80% (though it drops when the heat goes up to 19 degrees, to mid 60's).



  • Registered Users, Registered Users 2, Paid Member Posts: 10,144 ✭✭✭✭10-10-20


    If your average RH is between 70 and 80% at a temperature range of 12 to 14C then the humidity level is to be expected as its around about the average for the season. The net effect is that the combination of the natural moisture in the ambient air and the moisture generated by your requirements for life are high enough that very little drying will occur in your apartment, and surface mold is an expected outcome.

    You will benefit more by raising the temperature by heating (and ventilating) the residence which will reduce that occurance of mold.

    Now you could argue that from a low temperature of 12/14C that a dessicant based system would do both heating and dehumidification, but in reality its not the full solution as you should be living in a more comfortable range of at least 18 to 20, and then managing the RH around that range. As always, I hope it helps, and take care of your health.



  • Registered Users, Registered Users 2 Posts: 629 ✭✭✭GalaxyRyder


    For sure, I've had to heat the full apartment recently (which will amp up the electric bill of course), but just to avoid getting a continuous series of chest infections.

    This place is all electric convection.

    On a dwelling report generated in 2019, the apparent HLI value is 1.40, so perhaps it's heat-pump compliant? Though contractors are asking for some specialised HLI report with potential modification indications re insulation measures. The walls are the cause of 50% heat loss, with dry lining the only apparent option to remedy that, which I'm not keen on due to expense.

    I'm unsure if I'm going to stay in this place long term due to

    1. insulation/heat issues and
    2. acoustic/noise issues.

    So I'm reluctant to make any serious investment in heat upgrades.

    But the SEAI individual grants may cover the cost of an air-to-air heat pump, heat control mods, and some new windows/doors with possible ceiling insulation on a flat roof portion, and I could use the limited dry lining grant to do at least one room.

    Perhaps that could stabilize the heat/insulation issue in the immediate term as allow me time to figure out if the place is suitable for the long run.



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