Heat pump (4-ton)
Trane 4TWR4048G1000A · 3410 Silver Spur Trl, Cedar Park, TX 78613
9 photosGenerate EPA 608 report
Details
- Make
- Trane
- Model
- 4TWR4048G1000A
- Serial
- 16123ABCD
- Installed
- Jul 9, 2016
- Status
- Replacement recommended
- Age
- 10 years old
- Refrigerant
- R-410A
- Full charge
- 9.2 lb
- Capacity
- 4 ton
- Efficiency
- 13.4 SEER2
No warranty on file
Location: Back yard
Photos
Refrigerant and leak rate
Trailing 12-month leak rate
33.7%Over the threshold
0%Threshold 10%50%
3.1 lb added over 12 months against a 9.2 lb full charge
Below the charge size where the federal repair rule applies, but this unit is losing refrigerant every season.
Recommend replacement
Thresholds and applicability are pending verification against current EPA rules. See the assumptions register.
Trailing 12-month leak rate
Refrigerant log
Every addition and recovery on this appliance. Retained for at least three years.
Export audit record
| Date | Action | lb | Cylinder | Technician | Notes |
|---|---|---|---|---|---|
| Aug 19, 2026 | Added | 0.9 lb | CYL-410-026 | Marcus Reed | Third top-off in 12 months. Replacement recommended to customer. |
| Mar 2, 2026 | Added | 1.2 lb | CYL-410-021 | Sofía Ramírez | — |
| Mar 2, 2026 | Leak test | — | — | Sofía Ramírez | Electronic leak detector: slight hit at evaporator coil. |
| Oct 13, 2025 | Added | 1.0 lb | CYL-410-017 | Marcus Reed | Low on charge, no visible leak. Recommended dye test. |
Service history
- Sep 10, 2026J-2026-0421Low charge diagnosisScheduledHeat pump low on charge again. Leak search, discuss replacement (3 top-offs in 12 months).Sofía Ramírez
- Aug 19, 2026J-2026-0331Low charge diagnosisCompletedLow charge, added 0.9 lb. Third top-off.Marcus Reed
- Mar 2, 2026J-2026-0102Low charge diagnosisCompletedLeak test, slight hit at evaporator. Added 1.2 lb.Sofía Ramírez
- Oct 13, 2025J-2025-1188Low charge diagnosisCompletedLow charge, added 1.0 lb.Marcus Reed