The provisions contained in this appendix are not mandatory unless specifically referenced in the adopting ordinance.
About this appendix: Harnessing the heat or radiation from the sun's rays is a method to reduce the energy consumption of a building. Although Appendix T does not require solar systems to be installed for a building, it does require the space(s) for installing such systems, providing pathways for connections and requiring adequate structural capacity of roof systems to support solar systems.
Section numbers in parenthesis are those in Appendix A of the residential provisions of the International Energy Conservation Code®.
These provisions shall be applicable for new construction where solar-ready provisions are required.
The following term shall, for the purpose of this appendix, have the meaning shown herein.
SOLAR-READY ZONE. A section or sections of the roof or building overhang designated and reserved for the future installation of a solar photovoltaic or solar thermal system.
New detached one- and two-family dwellings, and townhouses with not less than 600 square feet (55.74 m2) of roof area oriented between 90 degrees and 270 degrees of true north, shall comply with Sections T103.2 through T103.10.
- New residential buildings with a permanently installed on-site renewable energy system.
- A building where all areas of the roof that would otherwise meet the requirements of Section T103 are in full or partial shade for more than 70 percent of daylight hours annually