Ok here’s what I know
The owners husband built it in 2009
He has passed away
I can see where the tubes go into like a conduit .. they are translucent per looking tubes.
The entire slab including the 5 car garage is radiant, no crawl space .
It has three zones propane fired .
Now originally it was off an outdoor wood furnace , after he died she didn’t want to mess with the wood so had it propane heated .
What if one of the tubes leaks in the floor ?
Could the pipes freeze ?
The floors are all laminate , would putting area rugs down be a problem ?
They have two mini splits for ac