Meet the Thermolux ACD MPD multi-zone series — flexible, inverter-driven ductless heat pumps built to balance comfort and efficiency across Greater Montreal, Laval, Longueuil, the South Shore and the North Shore. Covering capacities from 18 000 to 42 000 BTU with support for two to five zones on a single outdoor unit, these compact splits deliver dependable cooling and reliable low-ambient heating down to −20 °C.

Tuned for quiet performance and easy, modular installs, Thermolux ACD MPD systems pair with a range of indoor heads so you can fine-tune temperature room by room while keeping energy use in check.

• High efficiency up to 21 SEER with optimized power draw for lower bills (Energy Star® on select models).
• Low-ambient heating to −20 °C for Quebec winters; precise inverter control for smooth, steady comfort.
• Quiet outdoor units designed for low noise and long service life.
• Smart reliability including low-voltage start, LED display, auto-diagnostics, vertical swing, turbo mode, dehumidification, sleep timer and washable filters.
• Multi-zone flexibility from 2 to 5 zones per outdoor unit using eco-friendly R-410A refrigerant.

10-Year Warranty: Compressor and parts coverage for ten years, with optional 10-year labor for added peace of mind.

Combinations:

MPD18KCH22S-O: 9+9; 9+12; 12+12

MPD24KCH21S-O: 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

MPD30KCH21S-O: 9+9; 9+12; 9+18; 9+24; 12+12; 12+18; 12+24; 18+18; 18+24; 9+9+9; 9+9+12; 9+9+18; 9+9+24; 9+12+12; 9+12+18; 12+12+12; 12+12+18; 9+9+9+9; 9+9+9+12; 9+9+9+18; 9+9+12+12

MPD36KCH21S-O: 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; 12+12+12+12; 9+9+9+9+9; 9+9+9+9+12

MPD42KCH21S-O: 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