What belongs on a refrigerant log sheet?
Give another technician enough information to identify the equipment and understand what happened without calling you. A customer name alone is not enough when a building has three outdoor units. Use an equipment ID that also appears on the work order, photos and service report.
| Field | What to enter | Why it helps |
|---|---|---|
| Service date and work order | Full date and a unique job reference | Connects the entry to the visit and invoice |
| Site and owner/operator | Service address and responsible contact | Identifies where the appliance is operated |
| Appliance identification | Unit ID, location, make, model and serial | Separates similar units at the same address |
| Refrigerant | Exact designation, such as R-410A | Avoids the ambiguity of “Freon” |
| Added | Actual measured quantity, with units | Records material put into the appliance |
| Recovered | Actual measured quantity, with units | Records material removed from the appliance |
| Service reason and notes | What work took place and references to results | Explains the transaction without guessing later |
| Technician | Name or traceable technician identifier | Identifies who made the entry |
| Supporting records | Report, tests, photos and cylinder references as applicable | Keeps the evidence connected |
For equipment where a rule requires the full charge and how it was determined, retain that information in the equipment record too. The refrigerant added on a visit is not automatically the appliance’s full charge. Do not substitute one for the other.
A completed entry, with the numbers explained
This fictional example shows documentation after a repair. It does not specify how to recover, repair, evacuate, charge or test equipment.
| Field | Example entry |
|---|---|
| Date / work order | October 5, 2026 / DEMO-1005 |
| Site / appliance | Demo residence / AC-01, west-side split system |
| Model / serial | Recorded in equipment record EQ-DEMO-01 |
| Technician | Demo technician T-01 |
| Refrigerant | R-410A |
| Recovered | 4.5 lb |
| Added | 6.0 lb |
| Reason | Repair visit; see service report DEMO-1005 |
| Attachments | Recovery record, repair record and actual test results |
The added quantity is 6.0 lb and the recovered quantity is 4.5 lb. Do not enter only their 1.5 lb difference. A net number hides two distinct actions. These quantities alone also do not establish how much leaked, whether the final charge is correct or whether a regulatory leak-rate threshold was exceeded.
In your actual record, replace the demonstration references with the equipment identifiers and documents you really have. “See test report” is useful only if the report exists, is identifiable and can be retrieved. An unavailable measurement should be marked as unavailable, with an explanation, rather than filled with an expected value.
Keep the units unambiguous
Choose one weight convention for the sheet and label it. Decimal pounds and pounds plus ounces are easy to confuse: 1 lb 8 oz is 1.5 lb, not 1.8 lb. Keep the original measured value when converting for a report, and avoid rounding each transaction so aggressively that monthly totals no longer reconcile.
Use zero when you mean no refrigerant was added or recovered. Use a note such as “not recorded” when the quantity is unknown. An empty cell should not force the next person to decide which of those you meant.
Keep the appliance log separate from cylinder inventory. An appliance record follows service history; a cylinder record follows material movement. Link them with a reference where useful. A transfer between cylinders is not automatically an addition to an appliance.
Which EPA requirements apply?
Start with the appliance, refrigerant, activity and your role. There is no single federal log-sheet requirement that applies identically to every HVAC visit.
- Section 608: EPA says technicians servicing appliances containing 50 pounds or more of ozone-depleting refrigerant must give the owner an invoice showing the amount added and records of applicable leak inspections and repair verification tests. Owners and operators have their own recordkeeping duties. See EPA’s Section 608 overview.
- Disposal is a separate case: that same EPA overview describes technician records for disposal of appliances containing between 5 and 50 pounds, covering ozone-depleting and substitute refrigerants. Do not use the service threshold as a reason to discard disposal records.
- HFC leak repair: according to EPA’s current FAQ, the provisions at 40 CFR 84.106 began January 1, 2026. They cover affected appliances with a full charge of 15 pounds or more of refrigerant containing an HFC, or an HFC substitute with GWP greater than 53. Residential and light commercial air-conditioning and heat-pump appliances are excluded from these particular leak-repair provisions.
That exclusion does not mean all refrigerant handling, certification or recordkeeping requirements disappear. Likewise, the 15-pound provision is not a universal replacement for the Section 608 50-pound threshold. The two frameworks must be checked separately. State requirements, owner requirements and the specifics of an appliance may add to your documentation.
A quick review before closing the job
Read the entry as if it belonged to someone else’s job. Can you locate the unit? Are the refrigerant and units explicit? Do the quantities agree with the source measurements? Does the work order lead to the actual tests and service notes? Is it clear who made the record?
If you correct an entry later, retain the original information or a traceable correction record with the date and reason. For example, “Updated unit ID from AC-02 to AC-01 after checking serial photo” is much more useful than silently changing the number.
Use the service report example to document the visit around the refrigerant transaction. If the invoice includes refrigerant, keep its description and quantity consistent with the log. The HVAC invoice guide explains how to keep charges readable without replacing the underlying service record.
Can I use a paper log?
The blank PDF is designed for a handwritten equipment header and transaction rows. Print another sheet when you need more space and keep related documents together. It is a general-purpose record, not an EPA-issued form or a substitute for every record required by an applicable rule.
For recurring work, a digital equipment history can make entries easier to retrieve. CoolOps keeps equipment and refrigerant records on iPhone and iPad; the responsibility for recording correct information and meeting applicable requirements remains with the people doing and managing the work.
Scope of this guide
US stationary equipment recordkeeping. This is a general service-record template, not a complete regulatory form, a charging procedure or a leak-rate calculation. Examples are fictional. Check the current rule and equipment-specific obligations before relying on a record for compliance.
Sources & editorial notes
Sources checked October 9, 2026. Examples and document layouts are original CoolOps editorial material.
- EPA: Recordkeeping and reporting for stationary refrigeration
Role-specific Section 608 records for technicians and equipment owners, including disposal records.
- EPA: HFC phasedown frequently asked questions
The leak-repair provisions under 40 CFR 84.106, their January 1, 2026 start date, scope and exclusions.
These guides are published by the team behind CoolOps. No independent technical review is claimed. How we write and correct our guides.