Refrigerant Leak Rules for Restaurants: What You Actually Have to Do

If you run a restaurant or manage a facility, you've probably received an email this year warning you about "the new walk-in rule" and a $60,000 fine. The rule behind those emails is real. Since January 1, 2026, the EPA's leak-repair requirements under the AIM Act apply to owners and operators of equipment holding 15 pounds or more of HFC refrigerant. The version in your inbox is mostly exaggerated. Here is the practical version: which equipment is covered, what you have to do, and what the penalties really are.

Does your equipment fall under this?

Almost everything turns on one number: does the refrigerant circuit hold 15 pounds or more?

• Ice machines, reach-ins, prep tables: almost always under 15 pounds. Out of scope.
• Walk-in coolers and freezers: the gray zone. Many single-compressor walk-ins hold less than 15 pounds. Multi-evaporator and remote-condensing setups can exceed it. There is no shortcut here: check the nameplate or ask your contractor for the charge size of each circuit.
• Rooftop AC units: likely exempt. The rule carves out residential and light commercial AC, and many RTUs hold under 15 pounds anyway. Be skeptical of any vendor telling you flatly that your RTUs are covered.
• Chillers (larger facilities, schools, hospitals): typically hundreds of pounds. Covered.

One wrinkle: older R-22 equipment stays under the EPA's long-standing Section 608 rules, which have a 50-pound threshold, so these new requirements don't apply to it.

For most restaurants, the covered list ends up short. Maybe one or two larger walk-in circuits. Maybe nothing.

What you're on the hook for

Every duty below sits with the owner or operator of the equipment, meaning your business, not your service contractor. If your HVAC company tops up a system and nobody does the paperwork, the gap is yours.

For each covered circuit:

• Run the leak-rate calculation every time refrigerant is added. This is arithmetic on your service records, not a sensor reading: how much was added, over what period, against the full charge. The annual thresholds are 20% of full charge for commercial refrigeration and 10% for comfort cooling.
• Repair within 30 days of the top-up that revealed the exceedance, with a verification test showing the repair worked.
• Keep records for 3 years. Every refrigerant addition, every calculation, every repair. Paper or electronic both count.
• Chronic leakers get expensive. If the equipment keeps leaking above the threshold after repairs, you must file a retrofit-or-retirement plan within 30 days and complete it within a year. A leaky enough walk-in can force a replacement, which is the costliest consequence in the whole rule.

What the penalties really are

There is no "walk-in rule" and no flat $60,000 fine. That number traces back to a real figure, an administrative penalty maximum of about $59,000 per day per violation, that got rounded up and stripped of context in marketing emails. Maximums are not standard fines, and as of mid-2026 there are no public EPA enforcement actions under this rule yet.

The useful part is what counts as a violation. A leaking walk-in is not, by itself, a violation. Failing to run the leak-rate calculation when refrigerant was added is. So is missing the repair deadline, or having no records when someone asks. Under the older Section 608 program, the grocery chains that paid six-figure settlements were the ones that couldn't show their paperwork.

One caveat worth knowing: as of mid-2026 the EPA has said it will reconsider parts of the 2024 rule, and has already relaxed related deadlines for new-equipment standards. The leak-repair requirements are in force today, unchanged. But the picture is still moving, so distrust anyone selling you panic.

What to do this quarter

Four things, none of which require buying equipment:

1. Get the charge size for every circuit you operate. That's your covered-equipment list, and it's probably shorter than you feared.
2. Start a refrigerant log now. Date, equipment, amount added, work done. The entire regime runs on this record.
3. Know your thresholds before a top-up forces the question: 20% for refrigeration, 10% for comfort cooling.
4. Talk to your contractor. Agree that every service visit documents refrigerant quantities, and remember the calculation and the records stay your responsibility.

Where monitoring fits

The straight answer: nothing in the rule requires a restaurant to install monitoring. Mandatory automatic leak detection only kicks in at 1,500 pounds of charge, which means supermarket racks and cold storage, not your walk-in. A temperature sensor is not "compliance in a box," and vendors claiming otherwise are part of why this article exists.

What monitoring does earn its keep on is early warning and records. A slow leak shows up as drifting temperatures and longer runtimes weeks before the top-up that starts a 30-day repair clock, and timestamped equipment data plus a digital service log is exactly the shape of record a 3-year retention duty asks for. Decide based on failure economics, not compliance fear: what a single walk-in failure costs is covered in our failure cost guide, and what a monitoring setup involves is in our monitoring guide.

We're building exactly this for restaurant equipment at SmartHVAC. Follow along as the failure library grows: sign up below.