Installation of a MIDEA EVOX G3 2-ton central heat pump in Laval-Ouest
AirGreen installs a MIDEA EVOX G3 2-ton central heat pump in Laval-Ouest: wall bracket, clean finish, efficient central comfort, and lasting HVAC expertise.
In summer, the outdoor unit rejects the house's heat outside.
Generic illustration of this type of installation, not a survey of this job site. Tap a number.
It captures or rejects heat outside. It sits on a level base, above the snow, with free space all around.
The insulated refrigerant lines enter the house through a sealed opening and run to the indoor coil.
A shut-off switch near the outdoor unit isolates it safely for service.
Sitting on the indoor module, it moves heat between the house air and the refrigerant.
Electric furnace or air handler: its fan pushes air through the ducts. The electric backup takes over in extreme cold.
Supply ducts bring air to the rooms; returns bring it back to the unit. Their condition matters as much as the unit's.
It protects the coil and the fan. A dirty filter cuts airflow, so it gets checked regularly.
It runs the heat pump and the backup heat. It must be compatible with the installed system.
A compact, clean installation designed for a home in Laval-Ouest where every detail mattered
In Laval-Ouest, residential homes often present a particular challenge when it comes to HVAC installation: a new, high-performance central heat pump must be integrated without detracting from the exterior aesthetics, without compromising access around the property, and without creating noise pollution for occupants or neighbors. This is exactly the type of mandate our AirGreen team successfully completed with the installation of a MIDEA EVOX G3 2-ton central heat pump, a modern solution designed to provide heating and cooling with excellent energy efficiency.
In the photo, one immediately notices an important element: the outdoor unit is installed against a brick wall, under a window, in a relatively restricted space between the facade, vegetation, and available clearances. This type of configuration requires precise planning. A central heat pump must not only be placed in the right location; it must breathe properly, be well-leveled, remain accessible for HVAC maintenance, and be securely fixed to withstand Quebec's seasons.
In this project, our objective was clear: to provide the client with a reliable, quiet central system, well-integrated into the home, and capable of meeting comfort needs in Laval-Ouest, both during hot, humid summer days and cold winter periods.
Why choose a MIDEA EVOX G3 2-ton for this residence
The MIDEA EVOX G3 is a particularly interesting option for owners who want to modernize their central system without necessarily oversizing the equipment. In this specific case, the 2-ton capacity was well-suited to the home's needs, based on the existing configuration, thermal loads, and the client's comfort expectations.
A heat pump that is too small risks running non-stop and never achieving the desired comfort. Conversely, a heat pump that is too large can create short cycles, reduce dehumidification in summer, and harm the system's durability. That's why the choice of a 2-ton central heat pump must be made carefully, taking into account the actual house, not just a quick estimate.
MIDEA's EVOX G3 range is valued for several reasons:
- It offers an excellent balance between performance, reliability, and installation cost.
- It integrates well into central system replacement or modernization projects.
- It uses efficient technology adapted to Quebec's residential climate.
- It improves indoor comfort without multiplying wall units in rooms.
- It is a relevant solution for clients who want a central, discreet, and durable approach.
For homeowners in Montreal, Laval, Longueuil, the North Shore, and the South Shore, this type of system is often sought after when the goal is to have uniform air conditioning, efficient electric heating, and an aesthetically clean exterior installation.
An outdoor unit installed on a wall mount: stability, clearance, and protection
One of the most visible aspects of this installation is the choice of wall mount. The MIDEA outdoor unit is mounted on metal brackets fixed to the brick wall. This approach offers several advantages when floor space is limited or when you want to protect the appliance against snow accumulation, stagnant water, ice, or debris.
In Laval-Ouest, as in several residential areas of Laval, side and backyards can be narrow. Installing a unit directly on the ground is not always the most practical option. In this project, the wall mount allowed for:
- raising the appliance off the ground;
- providing better protection against snow;
- facilitating access around the house;
- preserving a clean appearance near the brick wall;
- maintaining a stable and durable base for the outdoor unit.
Our technicians paid particular attention to fastening in the masonry. A brick wall is not treated like a concrete wall or a light structure. It is necessary to choose the right anchoring points, check the solidity of the surface, avoid weakened areas, and ensure that vibrations are not unnecessarily transmitted to the structure.
In a quality HVAC installation, this type of detail is essential. Poor support can cause vibrations, noise, gradual misalignment of the appliance, or problems during defrost cycles in winter. At AirGreen, we consider mechanical finishing to be an integral part of system performance.
Discreet exterior integration despite a tight space
The image shows an installation made in a real environment: brick wall, window above, nearby vegetation, limited lateral clearance, and well-organized line routing. It is precisely in this kind of context that field experience makes the difference.
The MIDEA unit was positioned to maintain adequate airflow around the fan. On a heat pump, the clearance around the outdoor unit is not just an aesthetic detail. It directly influences efficiency, energy consumption, and the system's ability to dissipate or capture heat.
An appliance that is too enclosed can lose efficiency. An installation too close to obstacles can increase perceived noise. Poor orientation can complicate future maintenance. In this project, our team worked with existing constraints to achieve a balanced result: an accessible unit, well-supported, visually clean, and compatible with the available space.
We also ensured that the connections were protected and organized. An outdoor installation must remain solid after several winters, freeze-thaw cycles, heavy rains, periods of heat, and maintenance interventions. The quality of a central heat pump depends not only on the chosen brand; it also depends on the precision of the installation.
Technical steps that ensured a durable and efficient installation
Installing a MIDEA EVOX G3 2-ton central heat pump requires coordination between the outdoor unit, the indoor system, existing ducts, refrigerant connections, electrical supply, and startup settings. Although the outdoor unit is the most visible element, the core of the work lies in the entire system.
Initial assessment of the house and existing system
Before installation, our team validated the essential elements of the project. In an existing house, it is necessary to understand how the central system is already configured. Are the ducts in good condition? Is the airflow sufficient? Does the electrical panel allow for the addition or replacement of equipment? Does the outdoor location comply with the necessary clearances?
This step avoids many problems. A high-performance heat pump installed on an inadequate duct network will not deliver the expected result. A well-chosen but poorly positioned unit can become noisy or less efficient. That's why we take the time to analyze the entire project before proceeding.
In this case in Laval-Ouest, the choice of 2-ton capacity was validated to meet the client's needs while maintaining stable operation. We also took into account outdoor access, proximity to the window, vegetation, and installation height.
Installation of the MIDEA outdoor unit
The installation of the outdoor unit was carried out with particular attention to stability. The wall mounts were installed with precise alignment so that the appliance was properly leveled. A poorly leveled appliance can create drainage, vibration, or long-term operating problems.
The unit was placed at a practical height, neither too low to suffer from snow accumulation, nor too high to complicate maintenance. Positioning under the window also required careful management of the available space to avoid creating visual or auditory discomfort.
The final result is clean: the gray MIDEA unit integrates well with the brick wall, with a modern and sober appearance. This type of finish is important for many homeowners, especially in residential neighborhoods where the exterior appearance of the house matters as much as interior comfort.
Connections, verifications, and commissioning
Once the unit was installed, the team proceeded with the necessary connections. This phase includes work on refrigerant lines, electrical connections, communication between components, and operational verifications.
Commissioning is a step we never treat as a formality. It allows us to confirm that the system is operating according to expected parameters. Our technicians specifically check:
- cooling operation;
- heating operation;
- relevant pressures and temperatures;
- the stability of the outdoor unit;
- absence of abnormal vibration;
- communication between components;
- comfort generated in the house;
- operating instructions given to the client.
A well-completed HVAC installation should leave the client with a functional, clean, safe, and well-explained system.
Mistakes to avoid when installing a central heat pump
This project illustrates several important points for homeowners comparing central heat pump quotes in Laval or elsewhere in Greater Montreal.
The first mistake is to choose solely based on price. A cheaper installation can hide inadequate support, approximate positioning, poor line protection, or overly hasty commissioning.
The second mistake is oversizing the machine. A larger capacity is not automatically better. For a house that requires a 2-ton central heat pump, installing a stronger unit can decrease comfort instead of improving it.
The third mistake is neglecting future access for HVAC maintenance. An outdoor unit must be able to be inspected, cleaned, and maintained. When the appliance is crammed into too tight a space or too close to obstacles, interventions become more difficult and sometimes more costly.
The fourth mistake is ignoring winter conditions. In Montreal, Laval, Longueuil, on the North Shore, and the South Shore, snow, ice, and defrost cycles are part of reality. The choice of support, height, and location must be considered accordingly.
A central solution for uniform comfort
Unlike a wall-mounted air conditioner or a single-zone wall-mounted heat pump, a central heat pump uses the house's ventilation network to distribute air. This approach is particularly interesting for owners who want more uniform comfort in multiple rooms.
In a family home in Laval-Ouest, this uniformity can make a big difference. The temperature is better distributed, main rooms remain comfortable, and the system becomes less visible indoors. For clients who prefer to avoid multiple wall units, the central solution is often more elegant.
The MIDEA EVOX G3 also improves energy efficiency compared to several older systems. When properly installed and configured, it can reduce reliance on less efficient heating methods and provide efficient cooling in summer.
Subsidies and eligibility: a point to validate before installation
Subsidy programs can represent a significant financial advantage for certain homeowners. However, eligibility depends on the exact model, the installed configuration, the current criteria, and the requirements of the applicable program at the time of the project.
For a MIDEA EVOX G3 central heat pump, it is important to verify precise information related to the model number, capacity, energy certifications, and local requirements. At AirGreen, we regularly assist our clients in this step to ensure that the necessary documents are consistent with the completed installation.
Homeowners in Montreal, Laval, Longueuil, the North Shore, and the South Shore often contact us with the same question: is the heat pump eligible for financial assistance? The correct answer is never approximate. It must be confirmed according to the exact equipment installed and the program criteria at the time of application.
What this installation in Laval-Ouest demonstrates about our method
This project is representative of our way of working at AirGreen. We don't just seek to install a machine. We seek to deliver a complete, coherent, and durable system.
In this installation, several elements demonstrate attention to detail:
- choice of appropriate capacity;
- thoughtful outdoor location;
- solid wall mount;
- clean integration on a brick wall;
- respected clearances despite limited space;
- sober visual finish;
- complete operational verification;
- advice given to the client regarding use and maintenance.
This method applies as much to Laval-Ouest as to Montreal, Laval, Longueuil, on the North Shore or the South Shore. Every house has its constraints, and every installation requires a tailored solution.
Practical advice for homeowners considering a central heat pump
Before replacing or installing a central heat pump, it's helpful to prepare some information. This allows for a more accurate quote and avoids surprises.
Here are the most important elements to check:
- The type of current system: central, wall-mounted, multi-zone, or other.
- The age of the existing equipment.
- The approximate capacity of the old system.
- The condition of the ducts.
- The possible location of the outdoor unit.
- The distance between the outdoor unit and the indoor system.
- Access constraints around the house.
- Expectations for heating, air conditioning, and noise.
- Interest in available subsidies.
- The planned frequency of HVAC maintenance.
This information allows our team to recommend a realistic solution, adapted to the building and budget.
A clean installation today, better peace of mind tomorrow
A central heat pump is a long-term investment. The client does not always see all the technical details behind the installation, but they quickly feel the difference: more stable comfort, more uniform air conditioning, better controlled heating, and more reassuring operation.
In this house in Laval-Ouest, the MIDEA EVOX G3 2-ton was installed with a professional approach that respects both technical requirements and the exterior appearance of the property. The wall bracket, the unit's position, the finish, and the start-up checks contribute to a lasting result.
At AirGreen, we believe that a good HVAC installation is recognized in the details. These details reduce unnecessary service calls, extend equipment life, and ensure better customer satisfaction.
For homeowners comparing central heat pump options in Montreal, Laval, Longueuil, on the North Shore or the South Shore, this project in Laval-Ouest clearly shows what to look for: a suitable machine, careful installation, a competent team, and a comprehensive vision of residential comfort.
How it goes, from the first call to the end
The main steps of this kind of job at AirGreen. Every house has its quirks: the estimate brings them out.
We look at the ducts, the current indoor module, the electrical panel and the planned spot for the outdoor unit.
The equipment combination, capacity and price, in writing. We check whether the combination qualifies for assistance programs.
Access protected, old unit disconnected and removed when it is being replaced.
Electric furnace or air handler, with its coil, connected to the supply and return ducts.
On a level base, raised above the snow, with free space all around.
Insulated, they enter through a sealed opening and run to the indoor coil.
Dedicated circuits, accessible disconnect, a thermostat that works with the heat pump and the backup heat.
Leak test, vacuum, start-up, airflow check and a test of both modes.
Filter, thermostat, backup heat in extreme cold: what to know before winter.
- The on-site estimateWe look at the ducts, the current indoor module, the electrical panel and the planned spot for the outdoor unit.
- The quoteThe equipment combination, capacity and price, in writing. We check whether the combination qualifies for assistance programs.
- Getting readyAccess protected, old unit disconnected and removed when it is being replaced.
- The indoor moduleElectric furnace or air handler, with its coil, connected to the supply and return ducts.
- The outdoor unitOn a level base, raised above the snow, with free space all around.
- The refrigerant linesInsulated, they enter through a sealed opening and run to the indoor coil.
- Electrical and thermostatDedicated circuits, accessible disconnect, a thermostat that works with the heat pump and the backup heat.
- Tests and start-upLeak test, vacuum, start-up, airflow check and a test of both modes.
- The walkthroughFilter, thermostat, backup heat in extreme cold: what to know before winter.
What the unit delivers when it is cold
The range as published on airgreen.ca: pick a size to see its capacity in deep cold.
| Size | Heating at −8 °C | Heating at −15 °C | Coldest certified point | COP at −15 °C | SEER | HSPF | Indicative LogisVert aid |
|---|---|---|---|---|---|---|---|
| Midea EVOX G3 · 1.5 tons | 14,700 | 18,600 | −30 °C: 11,800 | 2.12 | 19.0 | 10.1 | $1,764 |
| Midea EVOX G3 · 2 tons | 20,800 | 20,600 | −30 °C: 12,100 | 2.14 | 18.6 | 10.0 | $2,496 |
| Midea EVOX G3 · 2.5 tons | 24,000 | 33,200 | −30 °C: 17,900 | 1.97 | 17.2 | 10.8 | $2,880 |
| Midea EVOX G3 · 3 tons | 33,000 | 37,400 | −30 °C: 27,600 | 1.9 | 18.0 | 10.0 | $3,960 |
| Midea EVOX G3 · 4 tons | 39,500 | 48,000 | −30 °C: 27,200 | 2.0 | 17.5 | 9.5 | $4,740 |
| Midea EVOX G3 · 5 tons | 45,000 | 54,000 | −30 °C: 37,300 | 1.9 | 17.5 | 9.5 | $5,400 |
Data read live from the airgreen.ca page of each size (NEEP / AHRI certified performance). When the title names the installed size, it is highlighted; otherwise the whole range is shown. The aid shown is today’s, using Hydro-Québec’s rule ($120 per 1,000 BTU/h at −8 °C); amounts quoted in the article date from its publication. Only Hydro-Québec confirms the assistance granted.
And at your place?
Two quick checks with real numbers: what heat costs, and what your current heaters add up to in BTU/h.
Baseboards and electric furnaces turn 1 kWh of electricity into 1 kWh of heat. A heat pump delivers more: that is its COP. At Hydro-Québec’s rate D (11.142¢/kWh above 40 kWh a day, since 1 April 2026):
Hydro-Québec: a heat pump can be up to three times more efficient than baseboards for heating in the colder months.
Estimate per kWh of heat, at the chosen temperature, using the certified COP from the product page. Taxes, access charge and backup heat not included.
Conversion: 1 W = 3.412 BTU/h. An indication, not a load calculation: baseboards and furnaces are often stronger than the real need, and they can stay as backup. AirGreen confirms the capacity on site.
What to do, season by season
Three habits per season for this unit. They take a few minutes and prevent many calls.
- Check the indoor module's filter.
- Clear winter debris from the outdoor unit.
- Test cooling before the heat arrives.
- Check the filter more often in peak season.
- Keep registers and returns clear.
- Watch condensate drainage near the coil.
- Change or clean the filter.
- Test heating and backup heat before the cold.
- Book periodic maintenance.
- Clear snow around the outdoor unit.
- Store nothing in front of the indoor module.
- Note any unusual noise or smell and call us.
Which type of equipment for your project?
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Four mistakes we do not make
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What people ask us about this kind of work
Can I keep my current ducts?
What happens in extreme cold?
Furnace, air handler, ducted: what is the difference?
Are there grants?
Do I need a permit?
How much can I save?
How is the LogisVert assistance calculated?
Will my current thermostat work?
Central or wall units: which one?
Does AirGreen hold the required licences?
Is the estimate free?
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Text and photo: a real AirGreen Climatisation & Chauffage job. The diagrams are generic illustrations of the type of installation, not a survey of this job site. Sources of the added figures: airgreen.ca product pages (NEEP / AHRI performance), Hydro-Québec (Heat pumps page, LogisVert, read on 13 October 2026), Régie de l’énergie (rate D as of 1 April 2026).