Tosot TM30H4O 3-Zone Ductless Mini Split Heat Pump System – 24,900 BTU Cooling – 21 SEER – WiFi – R410A
Designed for powerful multi-room comfort with high-efficiency performance and year-round operation in extreme climates.
🌟 Product Overview
The Tosot TM30H4O Multi-Zone Mini Split System is the perfect solution for modern homeowners and light commercial spaces needing tailored comfort in multiple rooms. With a total cooling capacity of 24,900 BTU and a high-efficiency 21 SEER rating, this 3-zone system is engineered to quietly and efficiently deliver year-round comfort.
Built with Gree’s G10 inverter compressor and smart features like WiFi control, Intelligent Defrost, and Low Temperature Heating down to -4°F, this unit blends performance, flexibility, and convenience. It includes two 9,000 BTU indoor air handlers and one 12,000 BTU unit, giving you zone-by-zone control over your comfort needs.
Note: This system requires professional installation. A minimum of two indoor units must be connected for proper operation.
🛠️ Key Features
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3-Zone Setup: Two 9,000 BTU and one 12,000 BTU indoor units
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Total Cooling Capacity: 24,900 BTU
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Heating Capacity: 37,800 BTU
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Compressor: G10 Inverter – Variable Speed for energy efficiency
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WiFi Enabled: Control temperature via smartphone or smart home device
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Intelligent Defrost: Minimizes heat loss and improves efficiency
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Low Ambient Heating: Operates down to -4°F for winter climates
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Auto Swing: Vertical & Horizontal for even air distribution
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Quiet Operation: Indoor units run whisper quiet
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LED Display: Sleek and subtle digital display
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Timer & Sleep Mode: Enhances comfort and efficiency
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Dehumidify Function: Helps control humidity without overcooling
📐 System Specifications
| Outdoor Unit Model |
TM30H4O |
| Indoor Units |
(2) TW09HQ2C2DI, (1) TW12HQ2C2DI |
| Cooling Capacity |
24,900 BTU |
| Heating Capacity |
37,800 BTU |
| SEER |
21 |
| HSPF |
10.2 |
| Voltage |
208/230V |
| Phase |
1 |
| Min. Operating Temp |
-4°F |
| Refrigerant |
R410A |
| Compressor Type |
Inverter |
| Zones |
3 |
| WiFi Control |
Yes |
| Outdoor Dimensions (H x W x D) |
43.4" x 42.5" x 17.3" |
| Weight |
Approx. 170 lbs |
| Parts Warranty |
5 Years |
| Compressor Warranty |
7 Years |
📊 BTU Sizing Chart for Mini Split Systems
Use this chart to estimate BTU needs per zone. For multi-zone systems, total the BTUs for all rooms being served.
Area To Be Cooled Capacity Needed (BTUs Per Hour)
150 to 250 square feet 6,000 BTUs
250 to 300 square feet 7,000 BTUs
300 to 350 square feet 8,000 BTUs
350 to 400 square feet 9,000 BTUs
400 to 450 square feet 10,000 BTUs
450 to 550 square feet 12,000 BTUs
550 to 700 square feet 14,000 BTUs
700 to 1,000 square feet 18,000 BTUs
1,000 to 1,200 square feet 21,000 BTUs
1,200 to 1,400 square feet 23,000 BTUs
1,400 to 1,500 square feet 24,000 BTUs
1,500 to 2,400 square feet 36,000 BTUs
2,400 to 3,200 square feet 48,000 BTUs
