Home » Ameristar DoubleZone Wall Heat Pump | 42,000 BTU Compressor | Installation in Montreal, Laval, Longueuil, South Shore & North Shore
Thermopompe Murale DoubleZone Ameristar | Compresseur 42 000 BTU | Installation à Montréal, Laval, Longueuil, Rive Sud & Rive Nord
Thermopompe Murale DoubleZone Ameristar | Compresseur 42 000 BTU | Installation à Montréal, Laval, Longueuil, Rive Sud & Rive Nord.
Thermopompe Murale DoubleZone Ameristar | Compresseur 42 000 BTU | Installation à Montréal, Laval, Longueuil, Rive Sud & Rive Nord
Thermopompe Murale DoubleZone Ameristar | Compresseur 42 000 BTU | Installation à Montréal, Laval, Longueuil, Rive Sud & Rive Nord.
Ameristar

Ameristar DoubleZone Wall Heat Pump | 42,000 BTU Compressor | Installation in Montreal, Laval, Longueuil, South Shore & North Shore

In stock
SKU: M4THM1942A15N-99
(1)
Areas
Provincial Subsidy (LogisVert): 4272 $ (Updated: November 26, 2025)
Model Number (External): M4THM1942A15N
AHRI: 210488263
ENERGY STAR®: Yes
ENERGY STAR® (Cold Climate): Yes / Yes
# ENERGY STAR ID: 2415513
Heating Capacity: -30 °C
Cooling Capacity: 42,000 BTU
Gas (Freon): R-410A
WiFi: Optional

SEER2 (Seasonal Air Conditioning Efficiency)

1 19.0 30

HSPF2 (Seasonal heating efficiency)

1 10.0 15

EER2 (Instantaneous efficiency in air conditioning)

1 12.0 20

COP at -8 °C (Heating energy efficiency)

1 1.92 3
Nominal Power: 42,000 BTU
Power at -8°C: 35600 BTU
Power at -15°C: 32400 BTU
Interior Dimensions (L x D x H): 32.48 × 7.72 × 11.53 in ***
Vertical flap control (Air direction): Manual ***
Horizontal flap control (Air direction): Auto ***
Sound Pressure Level (Indoor): 29 / 48 dB(A) ***(depending on the model chosen)***
Possible Model Number (Interior): M4MHW2309A1N0, M4MHW2312A1N0, M4MHW2318A1N0, and M4MHW2324A1N0

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

1 400 700
External Dimensions (L x W x H): 40.2 x 16.8 x 32.5 in
Zones: 2 Zones (Dual Zone)
Maximum Zones: 5 Areas
Sound Pressure Level (Exterior): 63.0 dB(A)
Voltage: 220 V
MCA (Minimum Circuit Ampacity): 38 A
MOP (Maximum Overcurrent Protection): 50 A
Warranty (Compressor - Parts - Labor): 10-10-0 years
Additional Warranty: Possible

Brochure

Ameristar Wall-Mounted DoubleZone Heat Pump

Innovation at the Service of Comfort: The Ameristar Wall-Mounted DoubleZone Heat Pump

At AirGreen, located in the heart of Montreal and also serving Laval, Longueuil, as well as the South Shore and North Shore, we are proud to present our revolutionary heating and cooling solution: the Ameristar Wall-Mounted DoubleZone Heat Pump. Designed to transform your home comfort experience, this advanced technology represents the ultimate in indoor climate management.

Unique Features of the Wall-Mounted DoubleZone Heat Pump

Our Ameristar Wall-Mounted DoubleZone Heat Pump stands out for its exceptional capabilities and user-centric design:

  • Power and efficiency: With a 42,000 BTU compressor, it offers remarkable cooling capacity and heating performance down to -30°C, ensuring your comfort throughout the year, regardless of the external conditions.
  • Optimal flexibility: Capable of managing up to 5 zones with an initial 2-zone setup, it perfectly adapts to the size and structure of your space, ensuring even temperature distribution.
  • Series and dimensions: The outdoor and indoor units have specific serial numbers (M4THM1942A15N for the outside, M4MHW2309A1N0 to M4MHW2324A1N0 for the inside), facilitating identification and after-sales service.
  • Subsidies and savings: Eligible for federal and provincial subsidies, this model is also Energy Star® certified, allowing you to make significant savings on your energy bills.

Technological Advantages

The Ameristar Wall-Mounted DoubleZone Heat Pump incorporates cutting-edge features to enhance your experience:

  • Wi-Fi optional: For remote management via your smartphone, offering you control and comfort wherever you are.
  • High efficiency: With a 21.0 SEER efficiency rating, it ensures exceptional energy efficiency, reducing environmental impact and operating costs.
  • Silence and discretion: The sound pressure level of 63.0 dB(A) guarantees almost inaudible operation, for unmatched acoustic comfort.
  • Durability and reliability: The R-410A gas used, in addition to being environmentally friendly, ensures lasting performance. The 10-year warranty on all parts attests to our confidence in our product's reliability.

Professional Installation and After-Sales Service

Our team of experts, trained in the latest HVAC technologies, ensures professional installation and responsive after-sales service. Whether you live in Montreal, Laval, Longueuil, or the surrounding areas, we commit to providing a flawless customer experience, from the initial consultation to long-term technical support.

Why Choose the Ameristar Wall-Mounted DoubleZone Heat Pump?

Opting for the Ameristar Wall-Mounted DoubleZone Heat Pump means choosing a heating and cooling solution that combines performance, savings, and environmental respect. It represents a smart investment for homeowners concerned about their comfort and their home's energy efficiency.

At AirGreen, we are dedicated to providing you with innovative and tailor-made solutions. We understand that every home is unique, and that's why we work to offer products and services that precisely meet your needs. Discover how the Ameristar Wall-Mounted DoubleZone Heat Pump can transform your living space into a haven of comfort and efficiency.