Meet the Thermolux Tosot LomoPlus UltraHeat series — versatile, inverter-driven ductless heat pumps engineered for flexible multi-zone comfort across Greater Montreal, Laval, Longueuil, the South Shore and the North Shore. Spanning 18 000 to 42 000 BTU, these compact outdoor units pair with 9K, 12K, 18K and 24K indoor heads to precisely condition 2 to 5 rooms from a single system.

Built for Quebec winters, Thermolux LomoPlus UltraHeat systems combine a two-stage inverter compressor, an integrated base-pan heater and intelligent defrost to deliver reliable heating down to −30 °C, efficient summer cooling and low sound levels. Streamlined installation, auto-restart and optional Wi-Fi control make everyday operation simple and dependable.

• Cold-climate performance with dependable heating to −30 °C.
• Two-stage inverter for precise temperature control, stable comfort and lower power draw.
• Quiet and durable design with acoustic compressor insulation and anti-corrosion coil protection.
• Smart safeguards including intelligent defrost, low-voltage start, auto-diagnostics and optional Wi-Fi.
• Multi-zone flexibility supporting 2, 3, 4 and 5 zones per outdoor unit.

10-Year Warranty: Compressor and parts are covered for ten years for long-term peace of mind.

Combinations:

TM18H5-0: 9+9; 9+12; 12+12

TM24H5-0: 9+9; 9+12; 9+18; 12+12; 12+18; 18+18; 9+9+9; 9+9+12; 9+9+18; 9+12+12; 12+12+12

TM36H5-0: 9+9; 9+12; 9+18; 9+24; 12+12; 12+18; 12+24; 18+18; 18+24; 24+24; 9+9+9; 9+9+12; 9+9+18; 9+9+24; 9+12+12; 9+12+18; 9+12+24; 9+18+18; 9+18+24; 12+12+12; 12+12+18; 12+12+24; 12+18+18; 18+18+18; 9+9+9+9; 9+9+9+12; 9+9+9+18; 9+9+9+24; 9+9+12+12; 9+9+12+18; 9+9+18+18; 9+12+12+12; 9+12+12+18; 12+12+12+12

TM42H5-0: 9+9; 9+12; 9+18; 9+24; 12+12; 12+18; 12+24; 18+18; 18+24; 24+24; 9+9+9; 9+9+12; 9+9+18; 9+9+24; 9+12+12; 9+12+18; 9+12+24; 9+18+18; 9+18+24; 12+12+12; 12+12+18; 12+12+24; 12+18+18; 12+18+24; 12+24+24; 18+18+18; 9+9+9+9; 9+9+9+12; 9+9+9+18; 9+9+9+24; 9+9+12+12; 9+9+12+18; 9+9+18+18; 9+12+12+12; 9+12+12+18; 9+12+18+18; 9+18+18+18; 12+12+12+12; 12+12+12+18; 9+9+9+9+9; 9+9+9+9+12; 9+9+9+9+18; 9+9+9+9+24; 9+9+9+18+18; 9+9+12+12+12; 9+9+12+12+18; 9+12+12+12+12