Installation of a MIDEA EVOX G3 2-ton central heat pump in Senneville
Installation of a MIDEA EVOX G3 2-ton central heat pump in Senneville by AirGreen. HVAC service in Montreal, Laval, Longueuil, North Shore, and South Shore.
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The job on one screen
The unit’s data sheet
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.
The article, chapter by chapter
A central installation designed for performance, discretion, and durability in Senneville
In Senneville, every HVAC project demands a particularly meticulous approach. Residences there often present distinct architectural constraints, robust masonry exterior walls, open grounds exposed to lake winds, and high expectations for comfort, energy efficiency, and visual finish. For this installation, our AirGreen team proceeded with the setup of a MIDEA EVOX G3 2-ton central heat pump, a system designed to provide reliable heating in winter, efficient cooling in summer, and consistent performance in the demanding climatic conditions of the Montreal, West Island, and North Shore regions.
The project image shows an important detail: the outdoor unit was installed on a robust metal wall bracket, above ground, against a concrete foundation and a brick wall. This choice is not insignificant. In Senneville, where snow accumulation, ground moisture, and freeze-thaw cycles can quickly affect a poorly positioned installation, raising the unit helps protect the equipment, promotes better air circulation, and facilitates seasonal HVAC maintenance.
Why the choice of a MIDEA EVOX G3 2-ton central heat pump was relevant
The MIDEA EVOX G3 is a central heat pump renowned for its excellent balance of performance, energy efficiency, and accessibility. In this Senneville residence, the 2-ton capacity was a logical choice to meet the actual needs of the building without oversizing the equipment.
A unit that is too small would work continuously, increasing wear and reducing comfort. A unit that is too large would cause short cycles, less effective dehumidification in summer, and less stable consumption. Our role at AirGreen is precisely to find the balance between the machine's capacity, the house's configuration, insulation, the existing ductwork, and the occupants' comfort habits.
This central heat pump offers several significant advantages for homeowners:
- Efficient heating during cold periods.
- Uniform air conditioning throughout the house.
- More stable operation than a traditional on-off system.
- Better indoor temperature management.
- Ability to reduce reliance on more expensive heating systems.
- Compatibility with several existing residential configurations.
In an area like Senneville, where residences can be exposed to stronger winds and rapid temperature variations, the consistency of the central system becomes a real advantage.
An outdoor installation on a wall bracket: a technical detail that changes everything
One of the most important elements of this HVAC installation is the positioning of the outdoor unit. In the photo, we note that the MIDEA heat pump is securely fastened to a galvanized metal wall structure, with clearance beneath the unit. This method is particularly useful when the terrain around the house is not ideal for a ground slab, or when one wishes to limit the impact of snow, grass, runoff water, and debris.
In Senneville, this type of support offers several concrete benefits:
- The unit remains above snow accumulations.
- The base is not directly exposed to ground moisture.
- Drainage around the foundation remains freer.
- Cleaning around the unit is simpler.
- Air circulation around the outdoor coil remains more stable.
- The risk of vibration transmitted to the ground is reduced when the installation is well insulated.
Our technicians paid particular attention to the leveling of the unit, the solidity of the anchors, and the position of the refrigerant lines. A misaligned outdoor unit can generate noise, hinder the flow of defrost water, and cause premature wear of certain components. In this specific case, the installation was carried out to maintain a clean and functional clearance around the machine.
The specific challenges of this installation in Senneville
Each residence has its peculiarities. On this project, the exterior brick wall and concrete foundation required precise installation to protect the building envelope. Drilling, fastening, and routing conduits on this type of surface demands more than just mechanical work: one must understand how to prevent infiltration, protect openings, and organize connections to maintain a clean finish.
Our team had to consider several elements:
Clearance around the unit
A central heat pump needs a good volume of air to operate efficiently. The unit must not be suffocated by a wall that is too close, a hedge, a balcony, a fence, or an accumulation of snow. The chosen positioning allows for adequate air circulation in front of the fan and around the casing.
Protection of conduits
The refrigerant and electrical lines visible on the side of the unit must be installed with care. Improper bending, excessive tension, or poor support can create long-term problems. Here, the connections were organized to respect mechanical constraints while facilitating future service access.
Stability of the support
A wall mount for a heat pump must be securely anchored. The weight of the unit, normal operating vibrations, defrost cycles, and winter conditions impose a significant load on the structure. Our installers therefore secured the equipment with particular attention to the support points.
Exterior aesthetics
In Senneville, many homeowners attach great importance to the exterior appearance of their residence. An HVAC installation must be efficient, but also clean, aligned, and visually acceptable. The choice of a location against the foundation, with a compact unit and organized routing of conduits, contributes to a more discreet finish.
A central heat pump installed with method, precision, and long-term vision
The installation of a MIDEA EVOX G3 2-ton central heat pump is not limited to placing the outdoor unit and connecting it. The real work begins long before startup: capacity evaluation, ductwork inspection, location selection, clearance analysis, connection preparation, functional testing, and indoor comfort validation.
The role of ductwork in a successful central installation
Unlike a wall-mounted air conditioner or a wall-mounted heat pump, a central heat pump relies heavily on existing ductwork. Even the best machine will not perform optimally if the air does not circulate correctly throughout the house.
During this project in Senneville, our team paid attention to the following elements:
- The system's ability to distribute air to the main rooms.
- The balance between sun-exposed areas and cooler areas.
- Available return air.
- The static pressure of the system.
- Compatibility with interior equipment.
- The heating and cooling needs of the entire house.
This step is essential. Many comfort issues mistakenly attributed to the heat pump actually stem from unbalanced, overly restrictive, or poorly adapted ductwork. At AirGreen, we always analyze the entire HVAC system rather than just considering the outdoor unit.
MIDEA EVOX G3: an effective solution for the Quebec climate
The MIDEA EVOX G3 range is particularly interesting for homeowners looking for a modern, high-performance solution well-suited to Quebec's climate. This type of system is designed to maintain good energy efficiency while providing a quick response to heating and cooling needs.
For a house in Senneville, this versatility is valuable. Winters can be long, nights cold, and summers increasingly humid. A properly installed central heat pump allows for better temperature control, but also indoor humidity control, especially when sized correctly.
A 2-ton capacity is often suitable for moderately sized homes or specific areas of a building, depending on insulation, orientation, window type, and air distribution network. Our recommendation is never based solely on square footage: we consider all the actual conditions of the building.
Common mistakes to avoid when installing a central heat pump
This project clearly illustrates some of the mistakes we regularly see in the field in Montreal, Laval, Longueuil, the North Shore, and the South Shore.
Installing the unit too close to the ground
An outdoor unit placed too low can quickly be blocked by snow. This hinders defrosting, reduces performance, and can cause safety shutdowns. The wall bracket used here helps avoid this problem.
Neglecting clearance in front of the fan
The outdoor fan must be able to exhaust air freely. A unit crammed into a confined space works harder, consumes more energy, and can become noisier.
Choosing capacity without a complete analysis
A 2-ton system can be excellent in one house and insufficient in another. The right choice depends on insulation, ductwork, sun exposure, number of floors, and desired comfort level.
Forgetting about maintenance access
An inaccessible appliance will often be poorly maintained. Here, the location allows technicians to intervene more easily for cleaning, inspection, and seasonal checks.
Underestimating the importance of finish
A clean installation better protects the building, facilitates service, and reflects the seriousness of the work. Supports, conduits, fasteners, and wall penetrations must be installed rigorously.
Subsidies and energy efficiency: an important factor for homeowners
Homeowners who choose a central heat pump often seek better energy efficiency, as well as possible access to subsidy programs available in Quebec. Depending on the exact model, the installed configuration, the building's eligibility, and the criteria in effect at the time of application, certain installations may be eligible for financial aid.
At AirGreen, we assist our clients in understanding the applicable programs, particularly subsidies related to efficient heat pumps. Criteria can change, and it is important to verify the specific eligibility of the installed model before making a final decision. For a homeowner in Senneville, this step can significantly influence the net cost of the project.
A customer experience focused on transparency
In this project, as in our other HVAC installations, we took the time to explain the important steps to the client: choice of location, role of the wall bracket, required clearance, operation of the central heat pump, and importance of maintenance.
Our approach is to avoid vague promises. We prefer to clearly explain what the system can do, what to look out for, and how to maximize its lifespan. A successful HVAC installation relies as much on the quality of the equipment as on the precision of the work and the client's understanding.
Recommended maintenance after installation
Once the MIDEA EVOX G3 heat pump is installed, maintenance becomes essential to preserve performance. We generally recommend:
- A seasonal inspection of the system.
- Cleaning of the outdoor coil.
- Checking filters and airflow.
- Checking operating pressures.
- Inspection of electrical connections.
- Defrosting check during cold periods.
- Cleaning around the outdoor unit, especially after winter.
In Senneville, leaves, grass, snow, and humidity can accumulate around the equipment. Even a well-installed unit must remain clear to maintain its efficiency.
Why AirGreen for a central heat pump installation in Senneville
AirGreen regularly operates in the West Island, Montreal, Laval, Longueuil, on the North Shore, and the South Shore. Our field experience allows us to adapt each installation to the reality of the building, rather than applying a standard solution.
For this installation in Senneville, our team focused on three priorities:
- Reliable performance in all seasons.
- A solid and clean exterior installation.
- A configuration designed for maintenance and durability.
The result is a MIDEA EVOX G3 2-ton central heat pump that is well-positioned, solidly installed, and ready to offer stable long-term comfort.
A project that reflects the importance of details
This installation demonstrates that a good HVAC system does not depend solely on the brand or model. The choice of support, the unit's level, clearance, pipe protection, service access, and understanding of the building all have a direct impact on actual performance.
In Senneville, this MIDEA EVOX G3 central heat pump represents a balanced solution for an owner who wanted to improve their comfort while investing in a modern, efficient system well-suited to Quebec's climate.
At AirGreen, we believe that a successful installation is seen in the details: a well-placed appliance, clean connections, rigorous commissioning, and a solution that respects the home as much as the client's needs.
The job tools
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.
How the job unfolds
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 we check on a job like this one
Each number is a point we check on site. Switch between summer and winter to watch air and heat move.
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.
Is your home ready?
Check what applies at your place. A "no" is not a refusal: it is what we sort out during the estimate.
Good habits, once the unit is in place
Six simple habits that keep the unit going. Your list stays on this device.
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.
The right pages, at the right time
Four statements: true or false?
It all comes down to details you have just seen.
1. A central heat pump uses the house's ducts.
It connects to the existing ducts to heat and cool everywhere.
2. In extreme cold, electric backup heat can take over.
The indoor module (furnace or air handler) works with the heat pump and takes over in extreme cold.
3. The filter only gets changed when the unit breaks down.
A dirty filter cuts airflow. It gets checked regularly.
4. You can reuse the old unit's size without checking.
The house may have changed: insulation, windows, added rooms. Capacity is confirmed on site.
0 / 4 right answers
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?
No question matches. Write to us: we answer.
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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).