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Quantity
1
Description
4.7
35 ratings
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1
My wife and I have owned my parents former home in northern Wisconsin for the past 9 years. It needed renovating, and one item in need of attention was the non-functional mini split. There are limited dealers/installers in our area, so we requested quotes. Both came in with quotes over $10K for a single head unit. We found that absurd, so I spend months researching DIY units. That research put me onto TOSOT. Having maintained fighter aircraft, built heavy machinery, and renovated three other homes I knew I could handle the installation. A couple YouTube videos specifically related to the TOSOT Cosmo combined with excellent customer support made the installation go very well. Yes, the air did get a little blue for a bit when I discovered I forgot to switch the drain hose on the inside unit to the other side, but after two days the unit was up, running, and cooling our home. I highly recommend TOSOT. The equipment and customer support are excellent.
Peter · June 30, 2026
The unit is spectacular. Today is the second day of having it fully installed and what do you know, there is a heat advisory and im sitting in my non insulated 3 seasons room, well 4 seasons room now, and its colder than my house. Thank you for making such a great unit, BTW I purchased the 18k unit.
Amy · June 29, 2026
Not working.
Berna · June 30, 2026





