This was posted 5 months 4 days ago, and might be an out-dated deal.

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Ionmax ION632 Dehumidifier $379.24 (RPP $499) Delivered @ Ionmax

100

well-rated desiccant dehumidifier. Up to 10L/day of moisture removal

Looks similar to the Ausclimate one I have but Ausclimate one is more expensive currently

price will automatically adjusted to sale price when added to cart

Edit: I bought one myself and found an issue (to me anyway)…..it has a mild burning smell coming out of outflow vent. When I went back to read the user manual, it says this is caused by the Zeolite desiccant material….."It is normal, will not last long and is not a sign of fault". I have run it for 4 hours now and the smell is still there so I do hope it goes away at some stage because I can't return it as it isn't faulty. For comparison, I have an Ausclimate dssicacnt one which has no smell at all even at first operation. If I have my time again, I would just pay more for the Ausclimate one

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  • How does it compare to aircond's dry mode?

    This things uses 420 - 740W… Comparable to a small split system.

    • If you have an aircon with dry mode then don't buy this, just use that.

    • +4

      aircon dry mode usually is less efficient, especially in winter
      in summer is excellent though, it's keeping cool while reducing the humidity

    • Yes but the air coming out of this won't be cold

    • -1

      This would probably be a COP of around 2-3, whereas a small split could be 5. In cold weather, like today where its 5c, a split would be operating at max efficiency in cool mode.

      On the other hand, an AC vents all the hot air outside, whereas this keeps it in the room, heating the room over time which makes dehumidification easier

      In short its all a mess of calculations specific to your particular conditions. I'd say a unit like this is better but not worth the price premium if you already have a fairly new AC system. What I'd really like to do is hack apart a scrap bar fridge, and turn it into a ~150w compressor based dehumidifer.

  • Damn, that is bloody expensive. Can’t afford it!

    • They have a 6L version that’s $288.

      https://ionmax.com.au/products/ionmax-ion610

    • I got a Breville all climate dehumidifier for $299 at TGG and 20% cashback in May. Still waiting for the $60 from TCB

      • That’s the one I’ve been thinking of getting.

      • +1

        i bought this yesterday from them for $304 inc delivery. That 20% cashback would be a nice addition, but alas.

        Saying that in the 6 hours its been running it's already filled two whole tanks of water and dropped the humidity in the room it was in from 85% to 45%. I'm pretty impressed.

        Though yeh… these things clearly suck power…

        • Sorry, but did you get this Ionmax or the Breville for $304 inc delivery?

  • +12

    Have this device and works well.

    The desiccant model is good for cold climate - uses more energy but also heats up the room a bit. Efficiency is better than a compressor dehumidifier in cold weather! We had visible condensation at the windows each morning (70-80% humidity). High humidity is the cause for mould! After using this device in the daytime (it's fairly loud - and it's free with solar power) it's all gone. After a few weeks of using it it got much easier to maintain a good humidity level (40-60%).

    It's still expensive to buy and to run (without solar) and there are few things you can do:

    • wipe the shower walls and screens after a shower to remove the droplets
    • make sure your bathroom vent works and air the room after a shower
    • don't dry clothes inside the house
    • in case you use a vented dryer - don't vent it to the inside of the house
    • use the rangehood while cooking
    • air out the house often (especially in the morning - bedroom - or sleep with a slightly open)
    • get a humidity meter to check
      (you measure relative humidity - air can hold more water when it gets warm - so when a room cools down you get condensation as the air can't hold the water anymore - so when your house is too cold you will have more condensation).

    Hope this helps a bit …

  • I have a 10L/day desiccant dehumidifier which uses 700kWh. I also have a 35L/day compressor one which uses ~400kWh

    It's winter now so the compressor one isn't as effective, but it seems as though when I weigh up how long I have the run them both, the compressor one seems like it might be more energy efficient, although I'm not sure. It's hard to tell even when testing.

    The issue is the compressor one is very loud in comparison to the desiccant one.

    • Does the desiccant one produce enough heat to reduce other heating costs?

      • I use it in a room that wouldn't be heated anyway. However, if you were to use the desiccant humidifier to heat the room, it provides only a bit of heat. You'd probably still have to have some kind of heating in the room besides the dehumidifier. It's hard for me to figure out exactly which would be cheaper to run, especially taking into account the heating on top as well.

        I can run my large compressor one for around double the time of the desiccant one for the same cost. Not sure which one would draw more water though during those times.

        The main advantage of a desiccant dehumidifier I find is that it's much quieter than a compressor. The largest desiccant model seems to be 10L/day while the largest compressor one is 50L/day. Issue is compressor models are meant to not run very well under 20 degrees, but I feel they still work, just not as efficient. The question is would it be cheaper to run a desiccant during those times.

        • +1

          Run them both in the same room at the same time. After a few hours, measure amount of the water extracted per kw.

          • @skid: That's a good idea. I will run them both for a couple hours and calculate.

            The desiccant one I can run at night because the compressor is too loud to have at that time, which is why I purchased it recently. I thought it would be much more efficient though. For a 700kWh device, 10L/day doesn't sound like much. I feel I can get more from the compressor model even if I do have to run it for longer.

      • +2

        I am currently using one in a bedroom around 13m².
        The room goes from around 14 degrees and 70% humidity to 17 or 18 degrees and 45% humidity. Not sure exactly how long it takes to reach that point but I let it run for a few hours.
        The drop in humidity makes the room much nicer to be in as well as the slight increase in temp.

        BTW I have the Ausclimate version with similar specs to the one posted here.

      • Currently have the ionmax610 6L and are using it as a heater as our heater carked it and it does well enough to raise the temp 3-5°, but most importantly it noticeably takes the chill off the air.

        So even when the wfh office was 10° this morning, running it for 20 mins was enough to remove that chill and make the room feel comfortable, even if the temp only increased half a degree in that time.

  • For those who don’t need to cover quite as large an area (30sq.m vs 50sq.m), Bing Lee currently has the ION612 model at $299, which is a bigger discount (~35%) than the manufacturer’s website (24%): https://www.binglee.com.au/products/ionmax-7l-zeolite-desicc…

    Availability might be an issue depending on location, but if none of your nearby stores have it in stock, looks like they can get it in for a scheduled click and collect (or delivered, but that’s obviously extra).

    Edit: $299 also seems to match the previous low recorded on OzB for this model, on Amazon a year ago: https://www.ozbargain.com.au/node/784322

  • +1

    I paid $261 delivered in January, 2024 from Catch.

    Works well, our shower fan carked it so it's drying out the bathroom in the morning atm until we get a new fan. Adds a few degrees as well.

  • +4

    Choice magazine updated review on 2 May 24. All of these are desiccant.
    1st Ausclimate Cool Seasons AU1910DD rating 90%. $414 at Bunnings or $393.30 with PowerPass.
    2nd Ionmax ION630 rating 88%. $417.24 after EOFY 24% off
    3rd Ionmax ION632 rating 83% $379.24 after EOFY 24% off
    4th Ionmax ION612 rating 82%. $299 at Bing Lee, thanks to fraxinus

    In the same order:
    Power consumption: 706W, 749W, 689W, 580W
    Noise (dBA): 51, 54, 60, 53
    Water removal score: 100%, 100%, 96%, 82%
    Energy efficiency score: 79%, 77%, 77%, 76%
    Humidistat: Yes, Yes, No, No
    Recommended room size: 50msq, 42msq, 30-50msq, 20-30msq
    Claimed water removal rate: 10L/day, 10L/day, 10L/day, 7L/day

    I'm planning to get the Ausclimate tomorrow if there is stock available near me. Finally have a worthy reason to use my Bunnings giftcards.

    Hope this helps others decide which model to get for their needs.

    • Did they do their own noise testing? The ION630 claims 46db.
      ION630 also has a larger tank than the Ausclimate (4.2L vs 3L) as well as a digital humidity display which allows more control as well as showing the current humidity level.

      I have not personally tried the ION630.

      I have the Ausclimate and wish there was a way to disable the beeping noise. If I set it on timer when I go to sleep it will beep when it stops (why?) and wake me up.

      • Choice do their own sound test. On further investigation on their websites and manuals:
        Ausclimate:
        Power output: low 420W, high 730W
        Noise level: low 38, high 49 dBA
        Tank capacity: 3L
        Warranty: 2 years
        Can only set low (50-55%) and high (40-45%) humidity levels in Dry mode.
        No display
        Coverage: up to 50sqm

        ION630:
        Power output: low 420W, high 740W
        Noise level: low 35, high 46 dBA
        Tank capacity: 4.2L
        Warranty: 2 years
        Can set humidity level bw 40 - 60%.
        Has display showing room humidity level
        Coverage: up to 42sqm

        Reading the reviews of the ION630 on ProductReview, someone mentioned it also makes a loud beep when the timer finishes.

  • Picked up a brand new ION630 from Marketplace for cheap last night. Turned it on, didn't notice a burning smell last night or this morning. I'll double check the manual to see if it's mentioned. On high setting its using ~ 780W.

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