TOSOT by GREE 2 Zone Mini Split AIR Conditioner Heat Pump 24,000 BTU with 9,000 & 18,000 BTU Wall Unit 21 SEER Energy Star Toshiba Compressor 5 Year Warranty TM24ML202 - A&A Mini Splits

TOSOT by GREE 2 Zone Mini Split AIR Conditioner Heat Pump 24,000 BTU with 9,000 & 18,000 BTU Wall Unit 21 SEER Energy Star Toshiba Compressor 5 Year Warranty TM24ML202

Regular price $2,357.00 $3,480.00 Sale

Tosot TM30H4O Multi-Zone Mini Split Heat Pump System

Model: TM30H4O - (2) TW12HQ2C2DI

The Tosot TM30H4O Multi-Zone Series Mini Split Heat Pump System provides individual room control for total comfort. Designed for residential and light commercial applications, this 2-zone system offers superior flexibility, quiet performance, and efficient climate control using eco-friendly R410A refrigerant.

Powered by GREE’s G10 Inverter compressor technology, the TM30H4O delivers precise temperature regulation and high energy efficiency. It performs quietly and reliably in all seasons—even in temperatures as low as -4°F—making it a perfect choice for bedrooms, home offices, or small multi-room layouts.


Product Features:

  • Ultra Heat: Reliable heating even in freezing outdoor temperatures.
  • WiFi Included: Easily manage system settings via smartphone app.
  • Extended Line Set Support: Flexible installation with long piping options.
  • Heated Compressor Belt & Pan Heater: Cold-climate enhancements improve winter reliability.
  • Optional Wired Controller: Compatible with wall-mounted control panels.
  • Low Voltage Start-up: Reduces power draw during initial startup.
  • Intelligent Defrost: Improves efficiency by minimizing frost build-up.
  • Pre-Heating Function: Eliminates cold air drafts on heating mode start-up.
  • Auto Swing (Vertical & Horizontal): Ensures even air distribution throughout each room.
  • Multiple Fan Speeds: Customize airflow for personalized comfort.
  • Dehumidify Mode: Controls humidity without lowering temperature too much.
  • Soft Start: Prevents electrical surges during power-up.
  • Automatic Operation: Adjusts system output based on room temperature.
  • Self-Diagnosis: Identifies issues via error codes for easy troubleshooting.
  • Memory Function & Timer: Restores prior settings and allows scheduled control.
  • Control Lock & Fan Delay: Prevents setting changes and improves unit performance after shutdown.

Product Specifications:

Model Number(s) TM30H4O - (2) TW12HQ2C2DI
UPC 703158702702
Type Heat Pump
Air Handler Style Ductless Wall
SEER 21
Cooling Capacity 24,000 BTU
Heating Capacity 39,000 BTU
HSPF 10.2
Compressor Stage Inverter
Voltage 208/230V - 60Hz
Electrical Phase(s) 1
Zones 2 - Zone
Min. Operating Temp -4°F
Outdoor Unit Height 43 2/5"
Outdoor Unit Width 42 1/2"
Outdoor Unit Depth 17 1/3"
Parts Warranty 5 Years
Compressor Warranty 7 Years
Free Shipping Yes
GroupKit Mini Split Multi Zone Universal
Product On Sale No
Returns Not Accepted

BTU Sizing Chart for Mini Split Systems

Check out our square footage and BTU comparison chart below. Use this table to determine BTUs needed per zone. For a multi-zone system, combine the total BTUs required per area.

Room Size (sq. ft.) Required BTUs
150 to 250 6,000 BTUs
250 to 300 7,000 BTUs
300 to 350 8,000 BTUs
350 to 400 9,000 BTUs
400 to 450 10,000 BTUs
450 to 550 12,000 BTUs
550 to 700 14,000 BTUs
700 to 1,000 18,000 BTUs
1,000 to 1,200 21,000 BTUs
1,200 to 1,400 23,000 BTUs
1,400 to 1,500 24,000 BTUs
1,500 to 2,400 36,000 BTUs
2,400 to 3,200 48,000 BTUs