# New York — HFC refrigerant GWP regulations by US state

For New York, equipment category is Supermarket Systems (New), from 2034; gwp limit is GWP (20-year) > 10; effective date is Jan 1, 2034; regulatory status is signed into law; regulation citation is NYCRR Part 494, recorded from its source on 2026-08-05.

- **State:** New York
- **Equipment category:** Supermarket Systems (New), from 2034 _(unconfirmed — we could not tie this to the quote below)_
- **GWP limit:** GWP (20-year) > 10
- **Effective date:** Jan 1, 2034
- **Regulatory status:** signed into law _(our reading, not quoted from the source)_
- **Regulation citation:** NYCRR Part 494

## What the source says

> New York has also finalized a new rulemaking under <https://dec.ny.gov/regulatory/regulations/proposed-emergency-recently-adopted-regulations/climate-change> NYCRR Part 494 which uses the 20-year GWP value rather than the traditional 100-year GWP value. Under the final rule, New York retailers would be subject to the following GWP Limits: Supermarket Systems (New)): GWP (20-year) > 580 for systems ≥50 lbs (Jan 1, 2026) GWP (20-year) > 943 for systems <50 lbs (Jan 1, 2026) GWP (20-year) > 10 (Jan 1, 2034)

## Source

- https://nasrc.org/hfc-policy-tracker/

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [HFC refrigerant GWP regulations by US state](https://referencesource.org/hfc-refrigerant-regulations-by-state/).