Home » Ductless Quad Zone Heat Pump Tosot Lomo 23 SEER Compressor 42 000 BTU Montreal
Thermopompe Quad Zone Tosot Lomo 23 SEER Compresseur 42 000 BTU Montréal multi-zone wall units and compressors
Thermopompe Quad Zone Tosot Lomo 23 SEER Compresseur 42 000 BTU Montréal high efficiency unit with best market warranty.
Thermopompe Quad Zone Tosot Lomo 23 SEER Compresseur 42 000 BTU Montréal multi-zone wall units and compressors
Thermopompe Quad Zone Tosot Lomo 23 SEER Compresseur 42 000 BTU Montréal high efficiency unit with best market warranty.
Tosot

Ductless Quad Zone Heat Pump Tosot Lomo 23 SEER Compressor 42 000 BTU Montreal

In stock
SKU: TM42H3-0-9999
(0)
Areas
Provincial Subsidy (LogisVert): $ (Updated: November 26, 2025)
Model Number (Exterior): TM42H3-0
AHRI: 10064025
ENERGY STAR®: No
ENERGY STAR® (Cold Climate): No / No
# ENERGY STAR ID:
Heating Capacity: -20°C
Cooling Capacity: 42,000 BTU
Gas (Freon): R-410A
WiFi: Optional

SEER2 (Seasonal Energy Efficiency Ratio)

1 21.0 30

HSPF2 (Heating Seasonal Performance Factor)

1 10.2 15
Nominal Power: 42,000 BTU
Power at -8 °C: BTU
Power at -15 °C: BTU
Interior Dimensions (L x W x H): 33.4 × 8.2 × 11.4 in ***
Shutter control - Vertical (Air direction): Manual ***
Shutter control - Horizontal (Air direction): Auto ***
Sound Pressure Level (Interior): 29 / 45 dB(A) ***(depending on the chosen model)***
Possible Model Number (Interior): TW09HQ2C2D-I, TW12HQ2C2D-I, TW18HQ2C2D-I, and TW24HQ2C2D-I

CFM (Airflow) (12,000 BTU***)

1 400 700
External Dimensions (L x W x H): 43 x 17.3 x 43.4 in
Zones: 4 Zones (Quad Zone)
Maximum Zones: 5 Areas
Sound Pressure Level (Outdoor): 61.0 dB(A)
Voltage: 220V
MCA (Minimum Circuit Ampacity): 25A
MOP (Maximum Overcurrent Protection): 40A
Warranty (Compressor - Parts - Labor): 10-10-0 years
Additional Warranty: Available

Brochure

Installation and distribution of a Multi-Zone Heat Pump with four (4) zones. Tosot Lomo 23 wall mini split with 42,000 BTU compressor in Greater Montreal.

HIGH-EFFICIENCY QUAD ZONE WALL HEAT PUMPS WITH 30, 36, AND 42,000 BTU COMPRESSORS 

Up to 23 SEER and 11 HSPF

1 in 3 wall units sold worldwide is made by GREE. Professionals you can trust.

GUARANTEED COMFORT DURING HEAT WAVES OR FREEZING COLD

Equipped with GREE's two-stage Inverter technology, the LOMO 23 achieves phenomenal efficiency levels of up to 80% heating capacity at outdoor temperatures of -20 °C.

The LOMO series is both an attractive and affordable solution for your comfort needs, season after season. The heat pump model, equipped with a heating element, provides comforting warmth even at extremely cold temperatures down to -20°C.

TOSOT equips the LOMO 23 outdoor units with a heated base that prevents condensate from freezing and ensures full unit efficiency and maximum heating operation. 

SMART DEFROST

In heating mode, microprocessor-controlled defrosting is performed only when needed to maximize energy savings

MEMORY

Automatically restores previous settings after a power outage

COMPACT DESIGN

Compact size of indoor and outdoor units for easy installation

WIDE LOVER

Ensures maximum airflow and increases comfort

SELF-DIAGNOSTIC

The unit's electronic control system automatically displays error codes to facilitate maintenance.

The LOMO 23 heat pump is covered by a 10-year warranty on parts, compressor, and labor, the best in the industry.

Compressor Power Head Power (Zones/Indoor Units)
42,000 BTU 9,000 BTU + 9,000 BTU + 9,000 BTU + 9,000 BTU
42,000 BTU
 9,000 BTU + 9,000 BTU + 9,000 BTU + 12,000 BTU
42,000 BTU 9,000 BTU + 9,000 BTU + 9,000 BTU + 18,000 BTU
42,000 BTU 9,000 BTU + 9,000 BTU + 9,000 BTU + 24,000 BTU
42,000 BTU
 9,000 BTU +  9,000 BTU + 12,000 BTU + 12,000 BTU
42,000 BTU 9,000 BTU + 9,000 BTU + 12,000 BTU + 18,000 BTU
42,000 BTU 9,000 BTU + 9,000 BTU + 18,000 BTU + 18,000 BTU
42,000 BTU 9,000 BTU + 12,000 BTU + 12,000 BTU + 12,000 BTU
42,000 BTU 9,000 BTU + 12,000 BTU + 12,000 BTU + 18,000 BTU
42,000 BTU 9,000 BTU + 12,000 BTU + 18,000 BTU + 18,000 BTU
42,000 BTU 9,000 BTU + 18,000 BTU + 18,000 BTU + 18,000 BTU
42,000 BTU 12,000 BTU + 12,000 BTU + 12,000 BTU + 12,000 BTU
42,000 BTU 12,000 BTU + 12,000 BTU + 12,000 BTU + 18,000 BTU