This system uses the principle of the underfloor heating but in a reversed way.
A coolant system made of semi-flexible material is positioned between the underside of the roof tiles and the framework of the roof.
The roof tiles are positioned above the coolant system and fits to the roof by a suitable profile.
Once the roof is completed, it is impossible to distinguish it includes a heat recovery system...
The cost of these roof tiles is nearly the same as the ordinary ones and the synthetic material network is very cheap and similar to the one used for underfloor heating.
The additional cost of this system is therefore distinguished by the market that often offers sophisticated and expensive sensors.
This new method allows a very fast return on investment and is compatible with the promotion of cheap environmentally friendly houses or otherwise luxurious aesthetics preserved homes.