10 C.F.R. § 431.402 Preemption of State regulations for commercial HVAC & WH products.
Title 10 - Energy
Beginning on the effective date of such standard, an energy conservation standard set forth in this Part for a commercial HVAC & WH product supersedes any State or local regulation concerning the energy efficiency or energy use of that product, except as provided for in Section 345(b)(2)(B)–(D) of the Act.
Title 10: Energy
PART 431—ENERGY EFFICIENCY PROGRAM FOR CERTAIN COMMERCIAL AND INDUSTRIAL EQUIPMENT
Subpart V—General Provisions
§ 431.402 Preemption of State regulations for commercial HVAC & WH products.