Multi Zone Heating & Cooling Systems
GREE FREE MATCH R32 -30°C

Meet the Thermolux Gree MULTI R32 EXT 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. Covering capacities from 18 000 to 48 000 BTU, these compact outdoor units pair with a wide range of indoor heads to precisely condition 2 to 5 zones from a single system.

Built for Quebec’s climate, Thermolux MULTI R32 units deliver efficient cooling and reliable heating down to −30 °C while keeping sound levels low and energy use in check. Whether you’re outfitting a two-zone condo or a five-zone residence, the lineup adapts to your space with smart controls and streamlined installation.

  • G10 inverter technology for smooth, precise temperature control and lower power consumption.
  • Eco-friendly R-32 refrigerant with modern efficiency and a reduced environmental footprint.
  • High efficiency with Energy Star® performance, reaching up to 21 SEER2 to help cut utility bills.
  • Quiet operation with thoughtfully engineered outdoor cabinets and low sound pressure levels.
  • Smart reliability including built-in Wi-Fi, intelligent defrost, auto-diagnostics and voltage adaptation.
  • Multi-zone flexibility supporting 2, 3, 4 and 5 zones on a single outdoor unit.

10-Year Warranty: Enjoy robust coverage on compressor and parts for long-term peace of mind with your Thermolux installation.

SEER: 21 EER: 12 HSPF: 10 Sound Level: 62 Model: MUL36HP230V1R32AO, MUL42HP230V1R32AO, MUL18HP230V1R32AO, MUL24HP230V1R32AO, MUL30HP230V1R32AO AHRI: 215218925, 215218921, 215218913, 215218926, 215218914, 215218922, 215218915, 215218927, 215218916, 215218918, 215218917, 215218923, 215218919, 215218924, 215218920 Minimum Operating Temperature: -30 Series: MULTI-R32 Capacity: 18 000 BTU, 24 000 BTU, 36 000 BTU, 30 000 BTU, 42 000 BTU Refrigerant: R-32 Compressor Technology: Inverter Connectivity: Wi-Fi Certifications: ENERGY STAR Technology Features: G10 inverter, Intelligent defrost, Self-diagnosis Rebate Programs: LogisVert Parts Warranty: 10 Labor Warranty: 10 Technology: G10 inverter technology, R32 refrigerant, Blue Fin anti-corrosion coating, Low-voltage start-up, Intelligent defrost Aesthetics: Clean, discreet design, Compact indoor units, Low-profile outdoor casing, Simple, uniform finish Technical details: Energy Star certified, R32 refrigerant, DC inverter compressor, Variable-speed fan, Low-voltage start-up, Automatic defrost, Anti-corrosion fin coating, Self-diagnosis, Auto-restart, Optional Wi-Fi, 24-hour timer, Quiet mode, 220V power supply Coverage guide: 9 000 BTU — 300 – 500 sq. ft., 12 000 BTU — 400 – 650 sq. ft.

Efficiency

Up to
21 SEER
Up to
12 EER
Up to
10 HSPF
Ultra heat down to
-30 °C

BTU

18 000 BTU
600 – 1 000 sq. ft.
24 000 BTU
800 – 1 300 sq. ft.
30 000 BTU
1 100 – 1 600 sq. ft.
36 000 BTU
1 400 – 2 000 sq. ft.
42 000 BTU
1 950 – 2 300 sq. ft.

MODELS, CERTIFICATIONS AND COMPATIBLE COMBINATIONS

18 000 BTU MUL18HP230V1R32AO

Certifications

  • Non-ducted indoor units AHRI 215218913
  • Ducted indoor units AHRI 215218918
  • Mixed ducted and non-ducted indoor units AHRI 215218923

Compatible indoor-unit combinations

Capacities shown in thousands of BTU.

2 indoor units

9 + 9 9 + 12
24 000 BTU MUL24HP230V1R32AO

Certifications

  • Non-ducted indoor units AHRI 215218914
  • Ducted indoor units AHRI 215218919
  • Mixed ducted and non-ducted indoor units AHRI 215218924

Compatible indoor-unit combinations

Capacities shown in thousands of BTU.

2 indoor units

9 + 9 9 + 12 9 + 18 12 + 12 12 + 18 18 + 18

3 indoor units

9 + 9 + 9 9 + 9 + 12 9 + 9 + 18 9 + 12 + 12 12 + 12 + 12
30 000 BTU MUL30HP230V1R32AO

Certifications

  • Non-ducted indoor units AHRI 215218915
  • Ducted indoor units AHRI 215218920
  • Mixed ducted and non-ducted indoor units AHRI 215218925

Compatible indoor-unit combinations

Capacities shown in thousands of BTU.

2 indoor units

9 + 9 9 + 12 9 + 15 9 + 18 9 + 24 12 + 12 12 + 15 12 + 18 12 + 24 18 + 18 18 + 24

3 indoor units

9 + 9 + 9 9 + 9 + 12 9 + 9 + 18 9 + 9 + 24 9 + 12 + 12 9 + 12 + 18 12 + 12 + 12 12 + 12 + 18

4 indoor units

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
36 000 BTU MUL36HP230V1R32AO

Certifications

  • Non-ducted indoor units AHRI 215218916
  • Ducted indoor units AHRI 215218921
  • Mixed ducted and non-ducted indoor units AHRI 215218926

Compatible indoor-unit combinations

Capacities shown in thousands of BTU.

2 indoor units

9 + 9 9 + 12 9 + 18 9 + 24 12 + 12 12 + 18 12 + 24 18 + 18 18 + 24 24 + 24

3 indoor units

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

4 indoor units

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
42 000 BTU MUL42HP230V1R32AO

Certifications

  • Non-ducted indoor units AHRI 215218917
  • Ducted indoor units AHRI 215218922
  • Mixed ducted and non-ducted indoor units AHRI 215218927

Compatible indoor-unit combinations

Capacities shown in thousands of BTU.

2 indoor units

9 + 9 9 + 12 9 + 18 9 + 24 12 + 12 12 + 18 12 + 24 18 + 18 18 + 24 24 + 24

3 indoor units

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

4 indoor units

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

5 indoor units

9 + 9 + 9 + 9 + 9 9 + 9 + 9 + 9 + 12

Characteristics

PERFORMANCE
  • Quiet operation 62 dB
  • R-32 refrigerant
  • Inverter
  • Wi-Fi
  • ENERGY STAR
  • G10 inverter
  • Intelligent defrost
  • Self-diagnosis
SUBSIDIES
  • LogisVert
Technology
  • G10 inverter technology
  • R32 refrigerant
  • Blue Fin anti-corrosion coating
  • Low-voltage start-up
  • Intelligent defrost
Aesthetics
  • Clean, discreet design
  • Compact indoor units
  • Low-profile outdoor casing
  • Simple, uniform finish
Technical details
  • Energy Star certified
  • R32 refrigerant
  • DC inverter compressor
  • Variable-speed fan
  • Low-voltage start-up
  • Automatic defrost
  • Anti-corrosion fin coating
  • Self-diagnosis
  • Auto-restart
  • Optional Wi-Fi
  • 24-hour timer
  • Quiet mode
  • 220V power supply
Coverage guide
  • 9 000 BTU — 300 – 500 sq. ft.
  • 12 000 BTU — 400 – 650 sq. ft.

Warranty

  • 10 years parts limited warranty1
  • 10 years labor warranty1

Notes

  • 1 To the original owner, when product is used in an owner-occupied residence, he is covered a 10-year parts limited warranty.

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