13VAC5-200-130: Trombe walls

The Trombe Wall is a south facing wall of the building envelope composed of a mass wall and exterior glazing. The mass wall functions as a combination heat sink and exterior wall, while the glazing creates a "heat trap" for penetrating solar radiation.

Trombe walls shall be considered solar equipment and all equipment used in the Trombe Wall, such as but not limited to vents, fans, movable insulation, controls, mass wall, glazing, shading devices and any other equipment peculiar to the solar system shall be eligible for tax exemption.