MIDEA25 Wall-Mounted Heat Pump | 12,000 BTU | Montreal, South Shore, North Shore

In stock
SKU: MO1ES-H12B-2A
Provincial Grant (LogisVert): 465 $ (Updated: May 1, 2025)
Model Number (Interior): MSEHU-H12B-2A
Model Number (External): MO1ES-H12B-2A
AHRI: 215471376
ENERGY STAR®: Yes
ENERGY STAR® (Cold Climate): Yes / Yes
Heating Capacity: -25 °C
Cooling Capacity: 12,000 BTU
Gas (Freon): R-454B
SEER2: 25.5
HSPF2: 10.6
EER2: 13.0
Interior Dimensions (W x D x H): 33.38 x 9.13 x 11.75
External Dimensions (W x D x H): 30.13 x 11.88 x 21.88

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  • WiFi: Optional
  • Warranty (Compressor - Parts - Labor): 12-12-10
  • Additional Warranty: Included
  • Piping: 1/4 - 3/8
  • Voltage: 220 V
  • Sound Pressure Level (Outdoor): 56.0 dB(A)
  • Sound Pressure Level (Indoor): 18 / 46 dB(A)

A reliable and efficient heating and air conditioning solution

The MIDEA25 | 12,000 BTU wall-mounted heat pump is a complete HVAC option for small to medium-sized homes and commercial spaces. This robust and versatile unit provides stable heating down to -25°C and guarantees efficient cooling during the warmer months in Montreal , Laval , Longueuil , as well as the North and South Shores . Thanks to its compact wall-mounted design, it takes up little space and blends well with interior decor. At AirGreen, we use this type of heat pump to offer reliable and fast installations, ensuring professional HVAC maintenance and efficient repairs when needed. This article presents the details of the MIDEA25, its specifications, the benefits we have observed among our customers, and relevant information to facilitate your decision-making.


Technical characteristics and concrete advantages

The MIDEA25 | 12,000 BTU wall-mounted heat pump 's features go beyond its cooling and heating capabilities. It also boasts a variety of features that maximize efficiency. Both indoor and outdoor models meet the performance requirements of demanding homeowners in Montreal , the South Shore , and the North Shore .

Essential data

  • Indoor model : MSEHU-H12B-2A

  • Outdoor model : MO1ES-H12B-2A

  • AHRI : 215471376

  • ENERGY STAR® : Yes

  • ENERGY STAR® (Cold Climate) : Yes

  • Gas (Freon) : R-454B

  • SEER2 : 25.5

  • HSPF2 : 10.6

  • EER2 : 13.0

  • Sound pressure level (indoor) : 18 / 46 dB(A)

  • Sound pressure level (outdoor) : 56 dB(A)

  • Voltage : 220 V

  • Piping : 1/4 - 3/8

  • Warranty (Compressor - Parts - Labor) : 12-12-10

This data is particularly useful for comparing heat pumps available on the Montreal, Laval and Longueuil markets. In addition, the MIDEA25 wall-mounted heat pump uses a new-generation refrigerant ( R-454B ), reducing the environmental footprint and contributing to compliance with environmental standards in force in Quebec.

Comfort and economy

The MIDEA25 provides significant comfort during periods of extreme cold in Quebec with its -25°C heating function. Many homeowners who have opted for this model's HVAC installation have noted a reduction in their energy costs thanks to its high efficiency ( SEER2 of 25.5 and HSPF2 of 10.6).

The " Follow Me " feature, which detects the temperature at the remote control, ensures uniform comfort throughout the room. Instead of heating or cooling based solely on the ambient temperature near the wall unit, this system adjusts to the temperature where the remote control is located. For example, if you keep it near your workstation, the heat pump will target optimal comfort at that precise location.

Advanced Features

  • 8°C Mode : Maintains a minimum temperature of 8°C in heating mode, ideal for second homes or cottages around Montreal and on the South Shore that require frost-free maintenance.

  • Controlled Humidity : The relative humidity sensor helps prevent excessive moisture buildup, a major benefit during humid summers or in metropolitan area basements.

  • Smart Occupancy Sensor : Reduces consumption by adjusting air conditioning or heating based on the presence of people in the room.

  • Self-cleaning : Keeps the heat exchanger clean to prevent dust buildup and extend the life of the unit.

  • A2L refrigerant detection system : Protects against possible leaks, ensuring safe operation of the device.

  • Eco, Turbo, Sleep and Silent Modes : Allow you to customize your usage according to your daily needs, whether it's to sleep peacefully or to quickly cool the room.

These features justify the great interest in this heat pump among both residential and commercial owners. Indeed, several businesses on the North Shore choose the MIDEA25 wall-mounted heat pump to optimize their office spaces or small businesses, while condo and single-family home owners adopt it for the comfort and savings it provides.


Feedback: installations carried out by AirGreen

At AirGreen, we have completed numerous HVAC installations of the MIDEA25 | 12,000 BTU wall-mounted heat pump in Montreal , Laval and Longueuil . A recent installation in the Mercier–Hochelaga-Maisonneuve neighborhood of Montreal illustrates the benefits of this model. The owner of a 1,000-square-foot condo wanted to replace an old wall-mounted air conditioning system with a more energy-efficient heat pump. We installed the MIDEA25 in less than a day, including installing the piping (1/4 – 3/8) and validating proper operation at startup.

The results were immediate: the client reported improved temperature control, especially during the hot summer months. The very low noise level (18 dB(A) at its quietest) was also appreciated, especially at night. The client's energy bills stabilized and even decreased thanks to the heat pump's high efficiency, attesting to the unit's excellent performance.

On the South Shore , we also equipped a commercial space of approximately 1,200 square feet with two MIDEA25 units. The owner was looking for both reliability and ease of maintenance to avoid breakdowns during business hours. We scheduled a preventative HVAC maintenance schedule that included regularly checking the R-454B refrigerant level, ensuring the exterior heating cables were in good condition, and cleaning the carbon filters. The space's occupants now enjoy coolness in the summer and uniform heat in the winter, while maintaining a peaceful working environment thanks to low noise.


Professional installation and regular maintenance

In the Montreal , North Shore and South Shore areas, professional HVAC maintenance ensures the longevity of your system and prevents breakdowns. At AirGreen, we emphasize the following key points:

  1. Checking Connections and Seals : Proper installation involves ensuring that all refrigerant, drain, and electrical connections are securely fastened and protected from weather variations.

  2. Cleaning and Changing Filters : The carbon filter and other internal components must be cleaned or replaced regularly to maintain healthy air and preserve the energy efficiency of the unit.

  3. Compressor inspection : Our team checks the compressor and its noise level to detect any anomalies or signs of weakness.

  4. Condensate Drain Inspection : To limit moisture or mold problems, we recommend drain inspection and preventative cleaning.

  5. Advanced Diagnostics : Thanks to our experience, we are able to intervene quickly if the system signals an error code or if an energy imbalance is suspected.

Professional HVAC installation prevents errors that could compromise the efficiency of your heat pump. Improper installation or lack of maintenance often results in additional costs and breakdowns. When we install a MIDEA25 wall-mounted heat pump , we adhere to AHRI standards and the manufacturer's guidelines to ensure optimal performance throughout the equipment's lifetime.


Provincial Logisvert Grant and Financial Benefits

The Quebec government encourages the acquisition of more energy-efficient equipment. The Logisvert Provincial Grant offers financial assistance of $465 for certain eligible appliances, including the MIDEA25 wall-mounted heat pump . This grant reduces the total cost for homeowners looking to make their homes or businesses more energy-efficient.

It is recommended that you check the eligibility of your project with official agencies and consult the exact conditions of the grant to determine the required documents. AirGreen supports its clients in compiling the application to expedite the grant process.


Why choose AirGreen for the MIDEA25 Wall-Mounted Heat Pump?

  1. Local expertise : Our team has been serving the Montreal , Laval , Longueuil , South Shore and North Shore areas for several years. We fully understand the region's climatic constraints and know how to adapt each HVAC installation to the specific requirements of the buildings.

  2. Quality Materials : We work with recognized products, including the MIDEA25 | 12,000 BTU wall-mounted heat pump , to offer long-lasting performance and high energy efficiency.

  3. After-sales service : We provide rigorous monitoring and offer HVAC maintenance contracts to limit the risk of breakdowns. Our priority is the long-term satisfaction of our customers.

  4. Budget-friendly : We provide detailed and transparent quotes before each project. We also offer tailored financing solutions and advice on available grants.

  5. Professionalism and flexibility : Our refrigeration engineers and technicians are certified professionals who adhere to industry standards. They carefully install the MIDEA25 and leave the job site clean, leaving you with nothing to worry about.


Practical advice and mistakes to avoid

  • Don't ignore the warning signs : An unusual noise or a sudden drop in performance may indicate a malfunction. It's best to call a technician at the first sign.

  • Don't neglect maintenance : Letting dust accumulate in the indoor unit can quickly reduce the efficiency of your heat pump.

  • Avoid self-installation : Professional intervention is essential. Improper refrigerant line connections or poor moisture drainage can lead to costly breakdowns.

  • Choose the right location : To maximize air distribution, install the wall-mounted heat pump in an open area. Avoid narrow or cluttered corners that hinder air circulation.

  • Consider winter protection : Even though the MIDEA25 operates down to -25°C , positioning it away from snow and ice accumulations will prolong the longevity of the outdoor unit.


Conclusion: The importance of an informed choice

The MIDEA25 | 12,000 BTU wall-mounted heat pump offers a remarkable balance between performance, comfort, and energy savings. Thanks to its advanced technical features and impeccable HVAC installation service, this model meets the climatic requirements of Greater Montreal. Our teams have observed significant satisfaction among customers who choose this unit, both for air conditioning and heating during harsh winters. The financial benefits, combined with the Logisvert Provincial Grant , make for a wise and sustainable investment.

Contact AirGreen today to learn more about the MIDEA25 wall-mounted heat pump and to discuss your project. We'll provide you with a comprehensive assessment and guide you through every step of installation and maintenance. Email or call us for professional and courteous service.

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