HVAC Field Service Ledger

SPEC 40 CFR 82.157 · EPA 608 LEAK RATE

Log refrigerant top-offs per appliance and get the rolling 365-day leak rate, threshold, and repair clock live.

Awaiting
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Sample ledgers
Input

Appliance record

Local only

Entries stay in this browser. Nothing is uploaded or shared.

01 · Appliance

Nameplate charge, 0 to 100,000 lb

Address, make, and serial

02 · Refrigerant top-offs

One row per addition. Rows inside the 365 days ending on the service date count toward the rate.

1 top-off row

03 · Service & technician

Pro: contractor letterhead

Pro adds your letterhead, removes the draft watermark, and enables inspector sign-off.

Blank workpaper
Output
◇ Awaiting input - complete Step 01 on the left to calculate
Leak rate
-
Threshold
-
Repair clock
-

EPA 608 · 40 CFR 82.157 · rolling 365-day window

Leak-Rate Workpaper

INCOMPLETE - NOT VALID
Facility
Not entered
Appliance
Not entered
Category
Not entered
Refrigerant
Not entered
Full charge
Not entered
Service date
Not entered
Technician
Not entered
Status
Awaiting input

Determination

No determination yet.

Rolling leak rate

-

Window additions ÷ full charge

Threshold

-

Set by appliance category

Margin

-

Percentage points

Next action

Complete Step 01 to begin.

Inspector stamp and dual sign-off are locked on the free draft.

Threshold schedule

CategoryThresholdThis ledger
Comfort cooling10.0%Held until complete
Commercial refrigeration20.0%Held until complete
Industrial process30.0%Held until complete

Tolerance checks

  • HOLDAwaiting entries
  • HOLDWindow opens once the service date is valid
  • HOLDLeak rate held until complete
  • HOLDRepair clock held until complete

Top-off chronology

#DateAddedRunning

Window opens once the service date is valid

Guidance

  • Guidance appears once the record is complete.
Show the math

Waiting for complete entries.

Window
-
Rows
-
Allowed in window
-

Inspector sign-off

The free draft records the determination; Pro adds certified dual sign-off.

Supports recordkeeping; does not replace the regulation, agency guidance, or professional compliance advice.

FREE DRAFT · HVAC FIELD SERVICE LEDGER

Runs entirely in your browser; job figures are saved on this device only. Operated by ironwoodsoft · support@ironwoodsoft.com

Awaiting input

Certified Pro workpaper

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FeatureFree draftPro
Rolling leak rate, threshold, repair clockIncludedIncluded
CSV export and printIncludedIncluded
Contractor letterheadDraft watermarkYour company name
Inspector stamp and dual sign-offLockedTechnician and reviewer sign-off
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