The following guidance is intended to provide clarification on the memorandum that was sent out on August 2022 regarding the U.S. Department of Energy’s new efficiency standard for central air conditioners contained in the Code of Federal Regulations at 10 C.F.R. § 430.32(c)(5)-(6). The August 2022 memorandum is available from the following link: https://www.floridabuilding.org/fbc/Links_to_Code_Resources.html
The U.S. Department of Energy’s new efficiency standard for central air conditioners will be effective January 1, 2023. In order to facilitate a smooth transition to this new efficiency standard, building officials may wish to provide a level of flexibility to building permits issued prior to December 31, 2022. Therefore, the following information is being sent to serve as guidance.
Building officials may use Section 104.11 “Alternative materials, design and methods of construction and equipment” of the Florida Building Code, to allow home builders, with existing permit(s), to install SEER2 HVAC systems that meet or exceed the equipment efficiency standard specified in their existing permit(s) without requesting a revision to the construction documents. To support the building official’s analysis pursuant to Section 104.11 “Alternative materials, design, and methods of construction and equipment” there are two possible alternatives:
The information and processes described above are consistent with current Florida Building Code requirements in Section 104.11 “Alternative materials, design, and methods of construction” and Section R403.7 “Equipment sizing.”
For information about the Florida Building Codes, please contact the Florida Department of Business and Professional Regulations (DBPR):
Building Codes and Standards Office