
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
Shopping for someone else but not sure what to give them? Please give them the gift of choice with a gift card.
Terms of use
- FINAL SALE. No returns.
- No additional fees are charged on gift cards and they never expire.
- This special offer gift card is non-refundable.
- Gift cards can be used in addition to coupon codes on the same order page.
- You may share the code as a digital gift card with anyone you wish.
- You'll receive an order confirmation and a digital gift card via email after purchasing.
- It can be used for any purchase on tosotdirect.com.
Gift Card
AddressDrop