Meet the Thermolux Bosch Climate 5000 multi-zone series — efficient, inverter-driven ductless heat pumps built for flexible two- to five-zone comfort across Greater Montreal, Laval, Longueuil, the South Shore and the North Shore. With outdoor capacities from 18,000 to 48,000 BTU, these compact split systems deliver reliable cooling and low-ambient heating down to −25 °C while keeping installation versatile and straightforward.

Tuned for quiet, durable performance, Thermolux Bosch systems pair with a wide range of indoor heads to fine-tune comfort room by room and reduce energy costs year-round.

• Variable-speed inverter technology for precise temperature control, faster pull-down/heat-up, and lower power draw.
• High efficiency with Energy Star® models and seasonal ratings up to the low-20s SEER to help trim utility bills.
• Low-ambient heating engineered for Quebec winters, maintaining capacity down to −25 °C.
• Quiet operation with thoughtfully designed outdoor units for peaceful patios and yards.
• Smart reliability including intelligent defrost, factory base-pan heater on ODUs, blue-fin anti-corrosion coating, and an optional built-in Wi-Fi controller.
• Versatile multi-zone configurations supporting 2, 3, 4 or 5 zones on a single outdoor unit with eco-friendly R-410A refrigerant.

10-Year Warranty: Enjoy 10 years on compressor and parts, with an optional 10-year labor plan for added peace of mind.

Combinations:

BMS500-AAM018-1CSXRC: 9+9; 9+12; 12+12

BMS500-AAM027-1CSXRC: 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

BMS500-AAM036-1CSXRC: 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; 12+12+12; 12+12+18; 12+12+24; 12+18+18; 9+9+9+9; 9+9+9+12; 9+9+9+18; 9+9+12+12; 9+9+12+18; 9+12+12+12; 9+12+12+18; 12+12+12+12

BMS500-AAM048-1CSXRC: 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; 12+12+12; 12+12+18; 12+12+24; 12+18+18; 9+9+9+9; 9+9+9+12; 9+9+9+18; 9+9+12+12; 9+9+12+18; 9+12+12+12; 9+12+12+18; 12+12+12+12; 9+9+9+9+9; 9+9+9+9+12; 9+9+9+9+18; 9+9+9+9+24; 9+9+9+12+12; 9+9+9+12+18; 9+9+9+18+18; 9+9+12+12+12; 9+9+12+12+18; 9+12+12+12+12; 9+12+12+12+18; 12+12+12+12+12