REGULATORY FILING
EPA SNAP Rule 27 - Proposed Rule (November 2025)
Document Summary
EPA proposed rule (Federal Register document 2025-19812) listing HCR 4141 as acceptable for new equipment only, not for retrofit of existing R-410A or R-22 systems. A supplemental NPRM was published April 6, 2026. Rule is not finalized as of May 2026.
Relevance to Investigation
BHCR marketing implies Eco Kold is a drop-in replacement for R-410A systems. This proposed rule, which has not been finalized, would permit HCR 4141 only in new equipment.
Key Passages
"EPA is proposing to list HCR-4141 as acceptable, subject to use conditions, in new household refrigerators and freezers and new room air conditioners."