13 Va. Admin. Code § 5-200-110
Current through Register Vol. 40, No. 22, June 17, 2024
An assembly of natural and architectural components including collectors, thermal storage device or devices and transfer medium which converts solar energy into thermal energy in a controlled manner and in which no fans or pumps are necessary to accomplish the transfer of thermal energy. Fans may be used to assist the natural convective air flow in a passive air heating system. The prime element in a passive solar system is usually some form of thermal capacitance.
13 Va. Admin. Code § 5-200-110
Statutory Authority
§§ 36-97 et seq. and 36-137 of the Code of Virginia.