I have purchased it twice: the old version with the red LED and the temperature sensor in the air intake, and the new one with the green LED. They didn't have any significant difference for me, just that the latest version (green LED) notifies more accurately when the tank is full and the dehumidifier has stopped working completely. In the old version, you had to wait 10-15 minutes for the element to stop working.
Historically, I preferred this company as it had served me well in the United Kingdom when I used a dehumidifier for the first time. Of course, the insulation of the houses there cannot be compared to Greece in any way. But that is not related to my purchase.
What buyers should pay attention to is its placement. It should be strictly horizontal and the filter should be cleaned regularly, as others have also mentioned here. There are DIY modifications you can make to prevent dust from accumulating inside the device (using vacuum cleaner filters), as the filter does not cover the entire front air intake area.
Currently, after 6 and 8 years of continuous operation, both of them are still working. I have opened the old one, cleaned it internally after 6 years (it stopped working due to dust in the water outlet), and have been using it continuously with the drainage hose. It works perfectly since then. The new one started showing a continuous overheating indication (fault light constantly on) a few days ago. I will open it as well to see if I can fix it. I believe something has gone wrong with the rotating element.
At this point, I want to note that I have recommended this dehumidifier to many acquaintances in the past and they are all satisfied. However, personally, I am starting to lose confidence in this model. I don't think it's the construction's fault, but rather the filter that doesn't cover the air intake properly and completely. Of course, the clothes drying function is extremely effective (especially during winter, which is essential in my area where there is no washer/dryer).
I would not easily buy the same model for a third time. Considering its price and the duration of its operation, it is definitely not an unprofitable purchase. The power consumption during normal operation is moderate (I haven't made detailed measurements, but you can definitely feel the atmosphere change from the drop in humidity and the ionizer's operation). The electricity bill does not have a significant increase, especially when the room is heated better due to the decrease in humidity.
In a 110 sqm house, I always operated one of them due to the other one being faulty. For the short period when the old one was repaired, the simultaneous operation of both of them reduced the humidity in the house (usually 65-75% with a hygrometer) to the desired level of 50-55%.
I will update when I open the new dehumidifier, so you can have a comprehensive view from a long-term user.
----- UPDATE 14/3/21 -----
The old dehumidifier has been opened and is going for recycling. It was cleaned, all electrical and non-electrical components were checked, but as soon as I connected it again, no success. It doesn't work. From a certain point onwards, the hours of labor I put into it are not worth it. However, it did pay off its cost over all these years.
The newest one, cleaned carefully, impressed me with how effective the patent I made with the filters of the vacuum cleaner is, as it had no dust inside, nor did it catch any dirt in the water outlet. So this solution is recommended 100%.
I also noticed that the work done internally in managing the connections is better and it seems that more appropriate connections have been used. In the old one, I even found cold soldering. In the new one, everything is fine.
The only sure thing is that as a purchase cost, depending on your space needs, it is not negligible. However, if it lasts for 4+ years (it does its job very well), more money may come to an insignificant amount of €5-6/month if you follow certain tips (cleaning the filter 2-3 times a month / "installing" a more serious air intake filter by adapting filters from an electric vacuum cleaner / internal cleaning every 2-3 years).
The evaluation is a good guide for those who have some knowledge and training to enter the device's interior and give it a credit for proper operation time.
Personally, having experience with this dehumidifier for the most part of the last ten years, I will conclude by saying:
1) both of mine have lasted much longer than 5 years
2) I would definitely like a better construction of the air intake filter
3) it is quite silent - it works in my case (at night) at a distance of 4 meters from the bed, without disturbing / this is purely subjective
4) I would definitely like a longer warranty and
5) living in Central Greece, with the climate we have, it saves me to a large extent the cost of heating until autumn. After the noticeable drop in temperature, it helps maintain a pleasant warm atmosphere in the house while the central heating is working normally.
I will not give it four or five stars, it is effective and quite silent. The fact that it is a standard in its category is not accidental. However, it still has problematic construction and potential buyers can draw an overall safe conclusion from the many reviews on this website.
----- UPDATE (2) 14/3/21 -----
I uploaded the photos to show two cleaned models that are heading for the recycling of electrical appliances. They had a two-year difference between them and worked effortlessly, effectively, and quietly in difficult conditions.
After some thought, my future purchases will be:
1) another Meaco model for the house and
2) an Inventor XL with a compressor and WiFi control, so that I can have it directly connected to the drain and control it remotely for the country house. I estimate that in an open-plan architecture, if you have it far from the bedrooms, the sound of the compressor won't be so bothersome.
If a new Meaco model with zeolite, a five-year warranty, and a HEPA filter comes out, then I will get two! It's good to... dream.
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