Installation of a MIDEA EVOX G3 2-ton central heat pump in Laval Islands
AirGreen installs a 2-ton MIDEA EVOX G3 central heat pump in Îles-Laval: wall mount, winter protection, energy efficiency, and residential 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, Winter-Ready, and Well-Designed Installation for a Home in Îles-Laval
At AirGreen, we recently completed the installation of a 2-ton MIDEA EVOX G3 central heat pump in the Îles-Laval area, a residential environment where outdoor space, building access, and protection against winter conditions demand careful planning.
Upon our arrival, one thing was clear: the outdoor unit needed to be installed solidly, clearly, and durably, despite the presence of snow, the proximity of the exterior wall, and the limited space around the house. This type of context is common in several neighborhoods in Laval, but also in Montreal, on the North Shore, in Longueuil, and on the South Shore, where existing homes were not always originally designed to accommodate a modern central heat pump.
The MIDEA EVOX G3 was an excellent choice for this project, as it combines performance, reliability, and energy efficiency in a format well-suited to residential needs. For a home requiring a capacity of 2 tons, or approximately 24,000 BTU, this solution ensures stable comfort for both heating and cooling, while reducing reliance on more energy-intensive electric systems.
An Outdoor Unit Installed on a Wall Mount: Why This Choice Was Important
As seen in the installation, the outdoor unit was mounted on a robust wall bracket, above ground level. This choice is not merely aesthetic: it addresses several practical requirements.
In winter, a heat pump installed too close to the ground can quickly become surrounded by snow, ice, or accumulation from defrosting. In an area like Îles-Laval, where properties can be exposed to variable winter conditions, it is essential to keep the unit clear to maintain its efficiency.
The wall mount also allows for:
- reducing the risk of obstruction by snow;
- maintaining better air circulation around the unit;
- protecting the unit against accumulated ground moisture;
- facilitating future access for HVAC maintenance;
- achieving a cleaner and more durable installation.
This step requires particular attention, as the weight of the unit, vibrations, wall structure, and required clearance must all be evaluated before mounting. At AirGreen, we never install a central heat pump haphazardly: each bracket is chosen and installed according to the building, model, and actual environment.
Piping Passage: A Clean and Protected Finish
Another important detail of this HVAC installation is the exit of the refrigerant and electrical lines to the outdoor unit. The lines were grouped and carefully protected to limit exposure to the elements and ensure a professional finish.
In projects involving the replacement or addition of a central heat pump, wall penetrations are often a critical point. Poor finishing can lead to air infiltration, premature degradation of line insulation, or an untidy visual appearance. Here, our team ensured a solid, clean connection suitable for a permanent outdoor installation.
This type of work makes a big difference in the lifespan of the system. A high-performance machine like the MIDEA EVOX G3 must be accompanied by an installation that matches its capabilities. The choice of model matters, but the quality of the installation matters just as much.
Why the 2-ton MIDEA EVOX G3 is well-suited for homes in Îles-Laval
The MIDEA EVOX G3 is a central heat pump designed to offer reliable performance in Quebec's climatic conditions. In its 2-ton version, it is particularly suitable for moderately sized homes, bungalows, compact cottages, or properties where the existing air distribution system can be retained or adapted.
A Central Solution for Uniform Comfort
Unlike a wall-mounted air conditioner or a single-zone wall-mounted heat pump, a central heat pump distributes treated air throughout the entire house from a duct network. This allows for a more uniform temperature between rooms, which is often sought after by owners who want to replace an old central system or improve their overall comfort.
For this project in Îles-Laval, the objective was clear: to obtain a system capable of heating efficiently for a large part of the winter, while ensuring comfortable air conditioning during the summer. The MIDEA EVOX G3 meets this need well thanks to its modern technology and its good adaptability to temperature variations.
A Machine Adapted to Quebec Winters
Winter performance is an essential point when choosing a central heat pump in Quebec. Homeowners are no longer just looking for a device to cool in summer: they want a serious solution to reduce their heating consumption during the cold months.
MIDEA's EVOX G3 range is recognized for its ability to operate efficiently in cold conditions. For customers located in Laval, Montreal, Longueuil, on the North Shore, or the South Shore, this represents a concrete advantage: the system can help reduce the use of electric baseboards, furnaces, or other auxiliary heating, depending on the house's configuration.
An installation that considers future maintenance
A good installation is not limited to the day of installation. We also think about the coming years: access to the service panel, clearance around the unit, protection of the lines, stability of the support, drainage of defrost water, and future inspection.
On this installation, the wall-mounted position of the unit allows our technicians to intervene more easily during future HVAC maintenance. This is a detail often overlooked, but essential. A performing central heat pump must be properly maintained to preserve its efficiency, limit unusual noises, and prevent premature wear.
Mistakes to Avoid When Installing a Central Heat Pump
Many homeowners primarily compare brands and prices, which is normal. However, the most costly mistakes often come from the installation itself.
Here are some mistakes we see too often in the field:
- installing the outdoor unit too close to the ground;
- neglecting the necessary clearances around the fan;
- poorly protecting outdoor conduits;
- underestimating vibrations transmitted to the building;
- choosing a capacity that is too large or too small;
- not properly checking the condition of the ductwork;
- installing the unit without planning for maintenance access.
In the case of this 2-ton MIDEA EVOX G3 in Îles-Laval, every detail was validated before commissioning. The unit's capacity, its location, wall mounting, and connection were all designed to achieve a reliable, clean, and durable result.
A well-selected 2-ton capacity
The capacity of a central heat pump should never be chosen randomly. A unit that is too small will struggle to maintain comfort during peak cold or heat. A unit that is too large can cycle too short, reduce comfort, increase wear, and hinder humidity control.
For this house, the 2-ton capacity was consistent with the building's needs. It ensures a good balance between performance, energy consumption, and indoor comfort.
At AirGreen, we attach great importance to this step. Good sizing is one of the foundations of a successful HVAC installation. This is true for a home in Îles-Laval, but also for projects we carry out in Montreal, Laval, Longueuil, on the North Shore, and on the South Shore.
The Importance of Commissioning
After the physical installation, commissioning is a crucial step. It allows us to verify that the heat pump is working correctly, that the connections are secure, that the system responds well to commands, and that the expected performance is achieved.
Our technicians specifically check:
- the operation of the outdoor unit;
- communication with the indoor system;
- the stability of the installation;
- clearances around the unit;
- the quality of the connections;
- the system's behavior in heating and cooling modes.
This rigor avoids several problems that sometimes arise after a hasty or poorly controlled installation. For AirGreen, an installation is only complete when the system is functional, properly installed, and ready to serve the customer in real-world conditions.
An interesting solution for subsidies and energy efficiency
Homeowners considering a central heat pump are often interested in available subsidies, particularly energy efficiency programs. Eligibility may vary depending on the exact model, the installed configuration, program criteria, and current updates at the time of the project.
The MIDEA EVOX G3 is one of the solutions we regularly analyze with our clients when the goal is to combine comfort, energy performance, and potential financial aid. At AirGreen, we assist clients in understanding the applicable criteria, without creating false expectations. The correct approach is always to validate the exact model, capacity, applicable AHRI numbers, and program conditions before making a final decision.
A clean, solid installation adapted to the building
This project in Îles-Laval perfectly illustrates our approach: installing a high-performance system without neglecting the real constraints of the building. Snow, the exterior wall, lateral access, pipe passage, and support stability all influenced our working method.
The result is a clean, functional, and long-lasting installation. The outdoor unit is well-positioned, the connections are protected, and the entire system remains accessible for maintenance. This is exactly what we seek in a central heat pump installation: a balance between technical performance, durability, and integration into the building.
Why Choose AirGreen for a Central Heat Pump in Laval
AirGreen works every week on residential and commercial projects in Montreal, Laval, Longueuil, on the North Shore, and on the South Shore. This field experience allows us to better anticipate the specific constraints of each property: difficult access, replacement of old systems, limited space, existing ducts, electrical requirements, noise, clearances, and subsidies.
For an HVAC installation like this, our value is not limited to providing the machine. We analyze the building, recommend the correct capacity, install the equipment according to best practices, and remain available for future maintenance, service, and follow-ups.
A 2-ton MIDEA EVOX G3 central heat pump can offer excellent performance, but only if it is installed with precision. It is this rigor that makes the difference between a simple equipment installation and a truly durable comfort solution.
Practical tips for homeowners considering a similar installation
Before replacing or installing a central heat pump, it is useful to check a few elements:
- The condition of the existing indoor system.
- Ductwork compatibility.
- Available space for the outdoor unit.
- The distance between the indoor and outdoor units.
- Acceptable noise level depending on the location.
- Risks of snow accumulation.
- Potential eligibility for subsidies.
- Actual heating and cooling needs.
These checks help avoid unpleasant surprises and achieve a better-adapted installation. In several cases, a few adjustments to the initial plan can significantly improve the system's durability.
A project that well reflects the current needs of Quebec homeowners
This installation in Îles-Laval perfectly represents what many homeowners are looking for today: an efficient central system, capable of contributing to winter heating, comfortably cooling in summer, and seamlessly integrating into an existing home.
The MIDEA EVOX G3 2-ton meets this demand with an appealing combination of performance, efficiency, and installation flexibility. For AirGreen, the success of a project depends as much on the choice of equipment as on the precision of its installation.
A well-installed central heat pump is not just a piece of mechanical equipment. It is a concrete improvement in daily comfort, energy management, and the functional value of a property.
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).