Manufacturer page.

Atrium Plana is a heating and cooling panel. It has a flat surface which makes its appearance similar to the false ceiling and can be installed recessed or into a suspended ceiling. Atrium Plana is a discreet and unique radiant panel solution from Lindab. Atrium Plana the lightest cooling panel on the market with a high degree of radiant cooling and heating. It is easy to clean. Plana Matrix cooling panels are developed together with Ecophon to be an important part of the Solo Matrix Celsius ceiling system. The radiation share for the panels exceeds 50% to 60%, compared to approx. 5% for conventional fin coil products. Since the air velocities can be kept low, the result is a draught-free environment.