joesinger12
commented
1 year ago 07/13/22 Meeting notes from CEC:
SEER2/EER2/HSPF2 Implementation a. Conversion factors have been determined based on comparing federal minimum SEER2/EER2/HSPF2 to SEER/EER/HSPF. If a user enters a “2” based rating CBECC will convert this to a “1” rating before converting to EER (for SEER) or COP (for HSPF). If a “1” based rating is entered the software will work like it does currently. b. Conversion factors will be reevaluated next year once the AHRI database gets more “2” based rated equipment. c. See report from Abram/Bruce for details d. Conversion factors will also be used in compliance reporting for verification of SEER2 values against SEER values used in an energy model. e. Applicability to 3 phase < 65k equipment i. From Abram, it looks like these systems would not update until 2025. ii. See DOE proposal for details.
From Abram: Page 18305 of EERE-2022-BT-STD-0008-0001_content.pdf says that the manufacturers actually requested that the change be made in 2023 to align with residential products, but DOE is prohibited by law from making a change before 2025. "In response to the comments from Carrier, Goodman, and Trane, DOE notes that while there may be benefits to aligning the compliance dates for SEER2 and HSPF2 standards between single-phase products and three-phase equipment, DOE cannot prescribe a compliance date for amended standards that would violate its obligations under EPCA. As discussed, EPCA requires that DOE specify a compliance date no earlier than 2 years after the compliance date specified in ASHRAE Standard 90.1 for triggered classes of three-phase, less than 65,000 Btu/h ACUACs and ACUHPs. As a result, to provide a consistent compliance date for standards in terms of SEER2 and HSPF2 for all three-phase, less than 65,000 Btu/h equipment, DOE proposes that the amended standards proposed in this NOPR would apply for all three-phase, less than 65,000 Btu/h equipment that is manufactured on or after January 1, 2025."
The non-residential HVAC standards are in 10 CFR 431.97: https://www.ecfr.gov/current/title-10/chapter-II/subchapter-D/part-431/subpart-F/subject-group-ECFR2640f6ad978e4e6/section-431.97
The residential standards are in 10 CFR 430.32: https://www.ecfr.gov/current/title-10/chapter-II/subchapter-D/part-430#430.32
Original comment by: joesinger12
Add SEER2/EER2/HSPF2 efficiency inputs to the software for single phase equipment <65,000 Btu/h.
Reported by: joesinger12
Original Ticket: cbecc-com/tickets/3398