no, something heated by the sun, the walls are heated, not the walls, by the walls, the roof, no, zhen, the foundation, no, but some water is heated by the sun, water no, there is no water, water well some well a cold heating is heated during the day by the sun and circulates knowledge heats well something like that well it's not far you don't need to name the refrigerant no i need to name due to what due to solar energy yes but it what heats up the sun heats up oil some heats up not what a building not not only buildings like this, like this, i didn't understand, after i said, not walls, you could only just now say, alexey, how beautifully you played along with us, the roof, like this, oh my god, okay, and do you understand that this is like what happened to us now, yes, it's like in football, here's 1:1, 1:1, then 1:1, extra time. really, and an unusual window, well, an unusual, naturally, window, here it is, by the way, it's really depicted here now, glass, yes, and how does it work, anyone? well, apparently, some kind of double glazing, some kind of liquid inside, well, some kind o