Installation of a MIDEA EVOX G3 2.5 ton central heat pump in Beaconsfield, West Island of Montreal
AirGreen installs a MIDEA EVOX G3 2.5 ton central heat pump in Beaconsfield: well-cleared outdoor unit, clean finish, central comfort, and durable HVAC efficiency.
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 Central Heat Pump Precisely Installed in a Residential Backyard in Beaconsfield
In Beaconsfield, located in Montreal's West Island, residences often feature a very specific profile: well-maintained single-family homes, landscaped yards, sometimes narrow side spaces, clear foundations, attached balconies or terraces, and central mechanical systems designed to serve the entire property. For this installation, our AirGreen team installed a MIDEA EVOX G3 2.5-ton central heat pump, a solution chosen to improve indoor comfort while maintaining a clean, stable, and accessible exterior appearance.
The site photo perfectly illustrates the type of work we regularly carry out in residential areas like Beaconsfield, Pointe-Claire, Kirkland, Dorval, and the entire West Island. The outdoor unit was installed along a wall covered with light siding, near an outdoor wooden structure and a raised planter. This context required particular attention to the equipment's positioning, airflow, protection of refrigerant lines, clearance for maintenance, and the stability of the support.
The installation visible in the photo shows a well-clear MIDEA outdoor unit, mounted on solid supports, slightly elevated from the ground, and positioned to allow good air circulation. The conduits are neatly organized along the foundation, with attention paid to aesthetics and durability. This type of finish is essential for a central HVAC installation: the equipment must operate efficiently, but it must also integrate correctly with the home's exterior environment.
At AirGreen, we know that a central heat pump represents a significant investment. It becomes the heart of home comfort for many years. That's why every detail matters, from choosing the capacity to the final on-site adjustment.
Why the MIDEA EVOX G3 2.5-ton was suitable for this Beaconsfield home
The MIDEA EVOX G3 2.5-ton was selected to meet the needs of a property where comfort needed to be evenly distributed throughout the house. Unlike a wall-mounted heat pump or a wall-mounted air conditioner, a central solution uses the existing ductwork to distribute heated or air-conditioned air to different rooms. This configuration is particularly appreciated in Beaconsfield family homes, where owners seek discreet comfort, without a visible unit in every living space.
A capacity of 2.5 tons can be very relevant for a medium-sized residence when the building analysis confirms that the tonnage matches the actual heating and cooling loads. Our role is never to choose a machine solely based on a quick rule based on square footage. We take into account several factors: insulation, sun orientation, fenestration, quality of the ductwork, interior volume, number of floors, performance of the existing system, and occupants' expectations.
In this project, the central solution offered three major advantages:
- More uniform comfort in rooms served by ducts.
- Better integration with the existing mechanical system.
- A clean outdoor installation, adapted to the terrain and the house's lateral constraints.
Exterior positioning that respects available space
One of the particularities of this installation in Beaconsfield was the outdoor location. The unit had to be placed near a house wall, while maintaining sufficient clearance to allow good airflow. In the photo, we note that the heat pump is installed in a lateral area, near a raised wooden outdoor element. In this type of configuration, it is important to avoid the unit being trapped between obstacles that could impair its performance.
A central heat pump outdoor unit must be able to draw in and expel air without excessive restriction. If the space around the unit is too enclosed, the system may work harder, consume more energy, and lose efficiency. Poor outdoor ventilation can also increase operating temperature in cooling mode, or complicate operation during defrost cycles in heating mode.
Our technicians therefore installed the unit in a way that preserves the necessary clearances, while respecting the existing layout of the yard. This approach combines performance, accessibility, and visual appearance.
A stable base for long-lasting operation
In the photo, the MIDEA unit is solidly placed on suitable supports, above ground level. This technical decision is important in a climate like that of Montreal, Laval, Longueuil, the North Shore and the South Shore, where outdoor equipment must contend with snow, ice, meltwater, leaves, ground variations, and freeze-thaw cycles.
A central heat pump installed too low or on an unstable base can become vulnerable to several problems: ice accumulation, vibrations, settling, partial obstruction, difficulty of maintenance, or premature wear. Here, the base was designed to keep the unit straight, clear, and accessible.
We attach great importance to mechanical stability, as it directly influences the noise level and longevity of the system. A well-leveled unit operates better, vibrates less, and better protects refrigerant connections.
A clean and professional exterior finish
A central heat pump installation must be efficient, but it must also be clean. In a residential backyard like this, visible conduits, wiring, supports, and accessories must be carefully organized. In the image, you can see the connections running along the foundation and directed towards the inside of the house. This routing must be carried out methodically to protect refrigerant lines, limit losses, avoid mechanical stresses, and facilitate future interventions.
The passage of conduits through the building envelope is a step that requires great precision. The drilling must be well-located, sealing must be meticulously done, and lines must be protected against bad weather. A poorly sealed opening can lead to air, water, moisture, or insect infiltration. Poorly installed insulation can impair performance. Disorganized installation can complicate HVAC maintenance and increase the risk of long-term damage.
Our team therefore favored a clean, durable, and accessible approach, consistent with our way of working on high-end residential projects in the West Island.
Integration with the interior central system
The exterior part of a project often attracts attention, but the actual performance of a central heat pump also depends heavily on its interior integration. A MIDEA EVOX G3 2.5-ton must be correctly connected to the central system: indoor coil, furnace or air handler, thermostat, control wiring, electrical supply, and ductwork.
In many Beaconsfield homes, central systems have undergone modifications over the years. Some ducts were installed during initial construction, others were adjusted during renovations, expansions, or heating system changes. Before finalizing the installation, we verify that the distribution network is compatible with the chosen capacity and that the airflow allows the equipment to operate under good conditions.
A high-performing central system is based on a simple principle: the outdoor unit, indoor unit, and ducts must work together. If any element is poorly adapted, comfort can be affected. That's why our installations include operational checks, adjustments, and usage advice after commissioning.
An effective solution for the humid summers and variable winters of the West Island
The climate of Greater Montreal places significant demands on HVAC systems. Summers can be heavy, humid, and prolonged. Winters alternate between cold periods, thaws, snow, freezing rain, and sustained winds. In an area like Beaconsfield, where homes are sometimes exposed to winds from Lac Saint-Louis or rapid temperature variations, a properly sized central heat pump can significantly improve indoor comfort.
The MIDEA EVOX G3 effectively cools the home in summer, while offering significant heating capacity for a large part of the cold season. For homeowners, this means better temperature control, potential reduction in energy consumption, and smarter use of the existing central system.
The advantage of a central solution is also the room-by-room comfort management via the ducts. Even if the network balancing sometimes needs to be adjusted, the central approach generally provides a more homogeneous feeling than a single wall-mounted unit placed in an open area.
Specific challenges observed on this site
Each AirGreen project has its own specificities. In Beaconsfield, several points required particular attention.
First, the space around the outdoor unit had to be respected despite the presence of an adjacent wooden structure. An installation too close to an obstacle could have limited air exchange. Second, the foundation and exterior siding required a clean line passage, with a finish that compromised neither the waterproofing nor the appearance of the house. Finally, the unit had to be positioned to remain easily accessible for future maintenance.
These details may seem secondary, but they make a big difference in the final quality of a project. A heat pump installed too close to a wall, too low, poorly leveled, or poorly protected may work correctly at first, then develop problems after a few seasons. Our job is precisely to prevent these situations.
Mistakes to avoid when installing a central heat pump
This project is a good example of the precautions to take during a residential installation. The first common mistake is to choose the location solely based on ease of access for the installer, without considering the future performance of the unit. The outdoor unit must be installed in a logical location for the mechanics, but also favorable for air circulation.
The second mistake concerns capacity selection. A 2.5-ton central heat pump can be ideal in some buildings and inadequate in others. The tonnage must be chosen according to the actual load of the house, not just a quick estimate.
The third mistake is neglecting future maintenance. An appliance placed too close to a fence, deck, hedge, or fixed structure becomes difficult to inspect and clean. This can complicate interventions, increase costs, and reduce the system's lifespan.
Finally, installations where refrigerant lines are exposed without adequate protection, where wall penetrations are poorly sealed, or where supports are not designed to withstand winter conditions should be avoided.
Maintenance tips for this installation in Beaconsfield
After commissioning, we explained the essential steps to maintain the performance of the MIDEA EVOX G3 2.5-ton. Good use begins with simple, but regular habits.
For this type of installation, we recommend in particular:
- Keeping the area around the outdoor unit clear.
- Avoiding placing objects, bins, plants, or materials against the unit.
- Monitoring the accumulation of leaves and debris near the base.
- Replacing or cleaning central system filters as recommended.
- Scheduling professional periodic HVAC maintenance.
- Ensuring that defrost water can drain properly in winter.
- Promptly reporting any unusual noise or change in performance.
In a residential yard, landscaping evolves: a deck can be enlarged, a hedge can grow, a garden box can be moved. It is therefore important to maintain access to the outdoor unit even after installation.
Subsidies and potential eligibility
When a high-performing central heat pump is installed, some owners may be eligible for subsidy programs, according to the criteria in force at the time of the work. Eligibility depends notably on the exact model, certification, capacity, building, installation compliance, and requirements of the applicable program.
At AirGreen, we assist our clients in preparing the necessary information when their equipment is eligible. This may include model references, installation details, invoice, and useful instructions for properly submitting an application. Programs may evolve, and available amounts may vary depending on the period. We therefore always encourage homeowners to check current conditions before submitting their application.
Our goal is to make the process clearer and avoid common errors, such as using the wrong model number or the absence of technical information on submitted documents.
AirGreen's experience in central installations in Greater Montreal
AirGreen regularly carries out installations of central heat pumps, wall-mounted heat pumps, wall-mounted air conditioners, and complete HVAC systems in Greater Montreal. Our teams work in homes in Beaconsfield as well as properties in Montreal, Laval, Longueuil, on the North Shore and the South Shore.
This field experience allows us to understand the specific realities of each sector. In Beaconsfield, installations often must respect the property's appearance, limit noise impacts, protect outdoor landscaping, and integrate with existing central systems. In other neighborhoods, the challenges can be different: alley access, flat roof, co-ownership, neighborhood constraints, brick walls, or very tight mechanical spaces.
Our advantage lies in this adaptability. We do not seek to apply a single method to all sites. We analyze the building, the outdoor environment, mechanical constraints, and client expectations before finalizing each decision.
An installation designed to last
The final result of this installation in Beaconsfield is a well-positioned, stable, accessible, and carefully integrated MIDEA EVOX G3 2.5 ton central heat pump. The outdoor unit, installed along the wall, benefits from an unobstructed location and a solid base. The connections are organized to ensure good protection and simpler maintenance.
For the homeowner, this translates into a more efficient, discreet, and better-adapted heating and cooling solution for the daily use of a family home. For our team, this project represents exactly what an AirGreen installation should be: technical, clean, thoughtful, and durable.
The quality of an HVAC installation is seen in the details. The choice of equipment is important, but the installation largely determines the actual performance of the system. A properly sized, connected, and installed MIDEA EVOX G3 can offer excellent comfort for many years.
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.
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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?
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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).