WILLIS ULTIMA R32 Wall-Mounted Heat Pump | 18,000 BTU | Montreal, Laval, South Shore

In stock
SKU: AUHW18KR32-O
Subsidy (Hydro-Québec): 1860 $
Model Number (Interior): AUHW18KR32-I
Model Number (External): AUHW18KR32-O
AHRI: 217007965
ENERGY STAR®: Yes
ENERGY STAR® (Cold Climate): Yes / Yes
Heating Capacity: -30 °C
Cooling Capacity: 18,000 BTU
Gas (Freon): R-32
SEER2: 27.5
HSPF2: 9.7
EER2: 4.2
Interior Dimensions (W x D x H): 43.7 x 10.1 x 13.7
External Dimensions (W x D x H): 37.7 x 15.8 x 25.9

  • WiFi: Included
  • Warranty (Compressor - Parts - Labor): 12-12-0
  • Additional Warranty: Possible
  • Piping: 1/4 - 5/8
  • Voltage: 220 V
  • Sound Pressure Level (Outdoor): 59.0 dB(A)
  • Sound Pressure Level (Indoor): 35 / 49 dB(A)

A heating and air conditioning solution designed for Quebec

At AirGreen, we know how essential thermal comfort is in a region like ours. Between harsh winters where temperatures easily dip below -20°C and summers where heat waves can make days sweltering, every home in Montreal, Laval, and the South Shore needs a heating and cooling system that can adapt. The WILLIS ULTIMA R32 | 18,000 BTU wall-mounted heat pump is precisely designed to meet these requirements. It combines advanced technology, high-level energy efficiency, and proven reliability, all in a compact and elegant format.


In-depth technical specifications

This heat pump stands out with specifications designed to provide constant comfort in all seasons.

  • Heating capacity : 18,595 BTU, capable of efficiently covering the needs of a medium to large space, while maintaining remarkable temperature stability.

  • Air conditioning capacity : 18,000 BTU, guaranteeing fresh and pleasant air even on the hottest days of July or August.

  • R-32 refrigerant gas : more efficient and more environmentally friendly than older gases such as R-410A, it reduces the ecological impact while improving efficiency.

  • Energy performance :

    • SEER2: 27.5, an exceptional level in its category.

    • HSPF2: 9.7, which ensures significant savings in heating mode.

    • EER2: 4.2, high instantaneous efficiency indicator.

  • Indoor noise level : from 35 to 49 dB(A), ideal for living rooms, bedrooms or offices where silence is appreciated.

  • Exterior noise level : 59 dB(A), discreet and respectful of the neighborhood.

  • Optimized dimensions :

    • Indoor unit: 43.7 x 13.7 x 10.1 inches, weight 17.5 kg.

    • Outdoor unit: 37.7 x 25.9 x 15.8 inches, weight 43 kg.

  • Piping and installation : 1/4'' – 5/8'' diameter, maximum length of 131 feet, allowing great flexibility during installation.

  • Electricity : 208-230 V, 60 Hz, 1 phase power supply, with a nominal consumption of 16 A, perfectly suited to residential installations in Quebec.


Optimal comfort in all seasons

Efficient heating even at -30°C

The WILLIS ULTIMA R32 is designed to operate stably and efficiently even when the mercury drops to -30°C . This makes it a valuable ally during Quebec winters where periods of intense cold are frequent.

Powerful and constant air conditioning

During heat waves, this heat pump provides immediate comfort. Thanks to its inverter compressor , which continuously adjusts its power, the interior temperature remains constant, without unpleasant fluctuations.

More than just a heat pump

The ULTIMA R32 does more than just heat and cool:

  • Effective dehumidification , for healthier and more pleasant air.

  • Independent ventilation , to circulate the air without heating or air conditioning.

  • 4-way airflow , ensuring even distribution throughout the room.


Integrated technologies and smart features

  • Variable speed rotary compressor – Inverter : real-time power adjustment to reduce consumption and extend the life of the device.

  • Electronic expansion valve : allows precise control of the refrigerant, thus optimizing efficiency.

  • WiFi control included : possibility to manage the device remotely via a smartphone, practical for adjusting the temperature even before arriving home.

  • Intuitive remote control : easy to use, with all main functions accessible in one gesture.

  • Advanced functions :

    • Sleep mode for tailored nighttime comfort.

    • Intelligent defrosting, essential to prevent ice build-up on the outdoor unit.

    • “I Feel” function which adjusts the temperature according to the position of the remote control in the room.

    • Programmable timer and parental lock.


Concrete benefits for households in Montreal, Laval and the South Shore

Reduction of energy bills

With a SEER2 of 27.5 and an HSPF2 of 9.7, this heat pump provides significant energy savings compared to traditional electric heating systems.

Quiet and discreet

Its virtually inaudible operation indoors makes it an ideal choice for bedrooms, home workspaces and family living rooms.

Durability and reliability

Thanks to its quality components and its inverter compressor, the ULTIMA R32 ensures increased longevity and consistent performance year after year.

Grants available

Eligible for Hydro-Québec assistance programs and government subsidies, it allows for a significant reduction in the initial investment.


Real examples of AirGreen installations

Montreal – Apartment on the Plateau Mont-Royal

A couple chose the WILLIS ULTIMA R32 to replace an old wall-mounted air conditioner. The result: an immediate reduction in their energy costs and increased comfort in their 900 sq ft open space, both summer and winter.

Laval – Single-family home in Chomedey

A family was looking to reduce their electricity bill while maintaining optimal comfort. After installation, the heat pump took over the backup heating, reducing their dependence on their primary heating system.

South Shore – Condo in Boucherville

A homeowner wanted a quiet, modern device. With its 35 dB(A) in minimum mode and Wi-Fi control, it now offers discreet and intelligent comfort.


Why choose AirGreen for your installation?

  • Local expertise : Our teams are fully aware of the specific HVAC needs of residents of Montreal, Laval, Longueuil, North Shore and South Shore.

  • Complete support : From free estimates to commissioning, we support our customers every step of the way.

  • Transparent pricing : Our quotes are clear and without surprises. You only pay at the end, when you are 100% satisfied.

  • Fast after-sales service : Our refrigeration engineers are available to provide rigorous maintenance and respond quickly if needed.

  • Certified and experienced technicians : All our installers are seasoned professionals who guarantee a safe and durable installation.


Conclusion

The WILLIS ULTIMA R32 | 18,000 BTU wall-mounted heat pump is much more than just a heating and cooling unit. It embodies the perfect combination of performance , energy efficiency , modern comfort and adaptability to Quebec's extreme conditions .

Whether you live in a condo, a single-family home, or an apartment, it provides you with peace of mind, real savings, and lasting comfort.

Contact AirGreen today to get a free estimate and benefit from our expertise in installing HVAC systems in Montreal, Laval, Longueuil, North Shore and South Shore .

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