That's an existing home, so ducts are a real PITA for sure. In new construction probably way easier, I'd assume.
For radiant floor, cement and tile sounds like the best, but it also sounds like wood floor are ok IF you have someone who knows what they are doing.
If you bury those radiant pipes in cement... does anything every go wrong with them? That would be a drag.
I am going to have 3 floors, or 2 1/2 floors.
Walk-in basement floors will be cement with tile, but I can't imagine it would be worth it to put radiant floors in the basement. It would be way cool, but likely a big waste of money, I'm guessing.
Maybe you just mini-split AC for the master bedroom up stairs.
Put radiant in the tile floors (kitchen and bathrooms) and use something like Runtals for the rest of the house?
Can't wait to see what you come up with
@sig. When will it be done?