The comment refers to the 12,000 BTU model.
Purchased in October 2021 (for 600 euros with a 20% refund) with an external temperature ranging from 6-16 degrees Celsius. It was installed in the living room of a corner apartment on the 3rd floor (top floor) with insulation, covering an area of 55 square meters. The apartment has a hallway of 7-8 meters between the living room and the bedroom. I wanted the air conditioner mainly for the living room, but I also hoped that its performance would have an effect on the other rooms. It was installed on a wall next to the balcony door, aiming diagonally at the living room door (I had to move my wardrobe for this, but it was worth it).
Despite the difficult configuration of the house for this specific purpose, leaving the air conditioner at 24 degrees with all internal doors open (bedroom-living room-kitchen-bathroom), I can say that the house is quite comfortable (I am not a fan of excessive heat). I wake up and don't feel cold at all, even though I am two walls and 12-13 meters away from the air conditioner.
The indoor and outdoor units are quite silent. At a low level, the indoor unit is almost nonexistent. The outdoor unit was placed on a special floor stand.
The connection to Wi-Fi was relatively easy. As a new model, it works with the new Inventor application, Inventor Control. Older models work with InvMate II. I turned off the 5GHz network on my phone and left only the 2.4GHz network to make the connection easier in the application. If you follow the instructions in the guide, the process is very easy. After installation, of course, you can reconnect to the 5GHz network. Although I haven't tested the capabilities of the application yet, I saw that it has several options with automations that can be applied in various situations. It is important to mention that it can be connected to Alexa and Google Assistant and can be operated with voice commands. Personally, I added the device to Google Home and it works perfectly.
The only negative for me is the sounds of the plastic parts that occasionally creak. It could be due to the few days of use. I will provide an update in the winter with much lower temperatures, but also in the summer for the cooling function during heatwaves.
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UPDATE 23-02-2022
The situation regarding the noise of the plastic parts has improved significantly after the visit of the service team arranged by Inventor, after I informed them about the issue (very quick response and very good professionals). They said that the indoor unit was not properly installed on its base. Now, you can only hear the plastic parts for a few minutes if you change the temperature, but it quickly disappears.
Regarding the thermal performance in winter, I can say that, in my situation, one unit (12,000 BTU) is not enough for a 55 square meter house. With an external temperature of around 5 degrees Celsius during the day (even colder at night), having the unit set to 30 degrees (maximum) and the FAN SPEED on HIGH, with the living room door open (as seen in the photo), the temperature in the living room reaches about 21-22 degrees and in the bedroom around 16-17 degrees (according to a tabletop thermometer). If you set the FAN SPEED to medium, it will make much less noise, but the performance will decrease significantly and the temperatures will be lower by 1-2 degrees for sure.
Regarding consumption, based on the last bill I received (436 euros with love) for the period from October 2021 to January 2022, I consumed 2080 kWh (approximately 3 times more compared to last year), with the AC running for at least 20 hours a day.
The reason for such high consumption is that I didn't have another unit in the room and had to heat up using the living room unit. I believe that installing a second unit would result in lower consumption. I will provide an update in the summer once I see its performance during hot weather.
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UPDATE 25-11-2022
The machine performs perfectly in cooling as well, and you can feel it throughout the entire apartment.
I consider it a perfect choice in its category and for its price.
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