I have heard in some countries such as the USA this system is not allowed anymore to use in residential buildings because of some none healthy issues . is it true ? and do you know which countries else don't accept this system as a standard heating system ?
Underfloor heating systems are becoming very popular in the US. There are no health issues at all...
As long as proper ventilation is provided under floor radiant heating systems are one of the most comfortable systems available. If you use an air to air heat exchanger for ventilation this is also one of the more efficient heating systems available. The drawback is a higher initial installation cost.
