-
Yes, cold air is heavier than hot air, and cold air sinks.
-
The cold air sinks and the hot air rises.
-
Cold air is flowing downward! There will always be a little, but you can't get cold at all?
It takes 2 horses to get cold.
The living room must be a beautiful and decorative floor-to-ceiling curtain with a ring.
Hehe, it's not to open up your floor slab, it's okay It's generally just a matter of pulling and popping screws to fix your ceiling material It's okay I've been doing this for more than 10 years, and I haven't seen what you're worried about Unless there is a leak on the roof
It's a leak around the water pipe, and you didn't do a good job of waterproofing it when you renovated the upstairs, so when you use water, it flows down from the floor to the water pipe.
No problem, you just need to get the waterway right, and then decorate the water pipes, Feng Shui theory is like the next day.