; (II) unless demonstrated not to be life cycle cost-effective for new Federal buildings and Federal buildings with major renovations— (aa) the buildings shall be designed to achieve energy consumption levels that are not less than 30 percent below the levels established in the most recently published version of the International Energy Conservation Code or the ASHRAE Standard, as of the date of enactment of the Energy Savings and Industrial Competitiveness Act of 2019 , as appropriate; and (bb) sustainable design principles are applied to the location, siting, design, and construction of all new Federal buildings and replacement Federal buildings; (III) if water is used to achieve energy efficiency, water conservation technologies shall be applied to the extent that the technologies are life-cycle cost effective; and (IV) if life-cycle cost effective, as compared to other reasonably available technologies, not less than 30 percent of the hot water demand for each new Federal building or Federal building undergoing a major renovation be met through the installation and use of solar hot water heaters. (ii) Exception Clause (i)(I) shall not apply to the unaltered portions of Federal buildings and systems that have undergone major renovations. (B) Updates Not later than 1 year after the date of approval of each subsequent revision of the ASHRAE Standard or the International Energy Conservation Code, as appropriate, the Secretary shall determine whether the revised standards established under subclauses (I) and (II) of subparagraph (A)(i) should be updated to reflect the revisions, based on the energy savings and life cycle cost-effectiveness of the revisions. ; (B) in subparagraph (C), by striking (C) In the budget request and inserting the following: (C) Budget request In the budget request