
Find the right TOSOT mini split size for your space.
Quickly calculate supplemental refrigerant needed when copper lines exceed 25ft.
Room Details
Enter your room details and click Calculate to see recommendations
Calculation Rules:
- Standard Length: 25 ft (Refill threshold)
- Additional refrigerant required for portion exceeding 25ft
- Formula: (Actual Length - 25) × Refill Rate
| 1/4" & 3/8" | ||||
|---|---|---|---|---|
| Copper Line Length | Drain Hose | Signal Cable | Weight | Package Dimensions |
| 16 ft | 19.6 ft | 19.6 ft | 8.4 lbs | 22.0 × 3.9 × 22.0 in |
| 25 ft | 19.6 ft | 26.2 ft | 12.0 lbs | 22.8 × 3.9 × 22.8 in |
| 50 ft | 50 ft | 50 ft | 20.5 lbs | 19.7 × 20.1 × 7.1 in |
Compatible Models:
Multi-Zone Indoor Unit: 9k, 12k
Cosmo (Single-Zone): TST-SU-C9K11, TST-SU-C9K23, TST-SU-C12K11, TST-SU-C12K23
Muse (Single-Zone): TST-SU-MUSE-09K230-WF, TST-SU-MUSE-09K110-WF, TST-SU-MUSE-12K110-WF, TST-SU-MUSE-12K230-WF
Multi-Zone Indoor Unit: 9k, 12k
Cosmo (Single-Zone): TST-SU-C9K11, TST-SU-C9K23, TST-SU-C12K11, TST-SU-C12K23
Muse (Single-Zone): TST-SU-MUSE-09K230-WF, TST-SU-MUSE-09K110-WF, TST-SU-MUSE-12K110-WF, TST-SU-MUSE-12K230-WF
| 1/4" & 1/2" | ||||
|---|---|---|---|---|
| Copper Line Length | Drain Hose | Signal Cable | Weight | Package Dimensions |
| 16 ft | 19.6 ft | / | 9.9 lbs | 23.2 × 3.9 × 23.2 in |
| 25 ft | 19.6 ft | 26.2 ft | 12.1 lbs | 23.6 × 3.9 × 23.6 in |
| 50 ft | 50 ft | 50 ft | 23.3 lbs | 20.3 × 21.7 × 7.5 in |
Compatible Models:
Multi-Zone Indoor Unit: 18k, 24k
Cosmo (Single-Zone): TST-SU-C18K, TST-SU-C24K
Aoraki (Single-Zone): TST-SU-A12K11-WT/BK, TST-SU-A12K23-WT/BK, TST-SU-A18K-WT/BK
Muse (Single-Zone): TST-SU-MUSE-18K230-WF
Multi-Zone Indoor Unit: 18k, 24k
Cosmo (Single-Zone): TST-SU-C18K, TST-SU-C24K
Aoraki (Single-Zone): TST-SU-A12K11-WT/BK, TST-SU-A12K23-WT/BK, TST-SU-A18K-WT/BK
Muse (Single-Zone): TST-SU-MUSE-18K230-WF
| 1/4" & 5/8" | ||||
|---|---|---|---|---|
| Copper Line Length | Drain Hose | Signal Cable | Weight | Package Dimensions |
| 16 ft | 19.6 ft | 19.6 ft | 12.8 lbs | 26.8 × 3.9 × 26.8 in |
| 25 ft | 19.6 ft | 26.2 ft | 10.7 lbs | 31.1 × 3.9 × 31.1 in |
| 50 ft | 50 ft | 50 ft | 24.5 lbs | 16.8 × 27.2 × 7.9 in |
Compatible Models:
Aoraki (Single-Zone): TST-SU-A24K-WT/BK
Cosmo (Single-Zone): TST-SU-C30K, TST-SU-C36K
Muse (Single-Zone): TST-SU-MUSE-24K230-W
Aoraki (Single-Zone): TST-SU-A24K-WT/BK
Cosmo (Single-Zone): TST-SU-C30K, TST-SU-C36K
Muse (Single-Zone): TST-SU-MUSE-24K230-W
Mini-Split AC Copper Line Set 16Ft. /25 Ft. /50 Ft.
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