Installation of a FORESTAIR E24 wall-mounted heat pump in Hudson
AirGreen professionally installs a FORESTAIR E24 wall-mounted heat pump in Hudson, with meticulous finishing and a solution tailored for year-round comfort.
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.
Mounted level on a wall plate, high enough for the air to reach the whole room, with enough space around it to slide the filters out easily.
The refrigerant lines, the communication cable and the drain go through the wall in a single opening, sealed against water, cold air and insects.
Two insulated copper pipes connect the two units. Outside, a line cover can protect them from sun, knocks and weather.
A shut-off switch near the outdoor unit isolates it safely for service. It must stay accessible at all times.
The compressor and the fan. In heating mode it captures heat from the outdoor air, even in winter, and moves it inside.
On the ground or on the wall, it keeps the unit above accumulated snow. The unit stays clear and defrost water can drain away.
The fan needs to blow freely. Storage, a fence or a wall too close, and efficiency drops while noise goes up.
An Installation Designed for Four-Season Comfort in a Hudson Residence
At AirGreen, we regularly carry out wall-mounted heat pump installations in the areas of Montreal, Laval, Longueuil, the North Shore, and the South Shore, but every project has its own particularities. The installation presented here in Hudson perfectly illustrates the importance of a personalized approach: choosing equipment suited to the building, correctly positioning the components, and ensuring a clean integration that meets the homeowner’s actual needs.
For this residence, we installed a FORESTAIR E24 wall-mounted heat pump, a solution designed to provide efficient cooling in summer and economical heating during the cold season. The project’s goal was to improve indoor comfort while reducing reliance on traditional heating systems during periods when a high-efficiency heat pump can operate advantageously.
The image of this installation shows a typical configuration for a well-planned residential installation: the indoor unit is installed high on a wall to promote better air distribution, while the refrigerant piping run is protected by a clean, discreet finish.
Why choose a FORESTAIR E24 wall-mounted heat pump for a home in Hudson?
Choosing a FORESTAIR E24 wall-mounted heat pump meets several important criteria for Quebec homeowners. In a region like Hudson, where temperature variations between summer and winter are significant, it is essential to select a unit capable of maintaining stable performance under different climate conditions.
The FORESTAIR E24 is a wall-mounted unit with an approximate capacity of 12,000 BTU/h, using R-454B refrigerant, a new-generation refrigerant with reduced global warming potential compared with older refrigerants. This type of equipment meets new environmental requirements while maintaining excellent energy efficiency.
The main features sought for this type of installation are:
- Heating capacity suited to Quebec’s cold temperatures
- Very good energy efficiency in cooling mode
- Quiet operation for residential use
- Inverter technology that automatically adjusts output
- Reduced electricity consumption through modulating operation
Unlike a traditional air conditioner that operates mainly by switching on and off, an inverter heat pump continuously adjusts its speed to maintain the desired temperature with fewer fluctuations. The result is improved comfort and optimized energy consumption.
Building analysis before installing the heat pump
Before any HVAC installation, our team evaluates several technical factors to avoid common errors.
In Hudson, as in many residential areas of the metropolitan region, homes can have very different configurations: older homes with multiple rooms, additions, thick exterior walls, or modern open spaces.
During this installation, we paid particular attention to:
Positioning the indoor unit
The position of the wall-mounted unit directly affects the heat pump’s performance.
An indoor unit installed too low can limit the natural circulation of warm air in winter. Conversely, an installation too close to an obstacle can reduce the distribution of cool air in summer.
The chosen positioning allows for:
- Better air distribution throughout the room;
- More even airflow;
- Easy access for filter maintenance;
- An aesthetically pleasing integration with the indoor environment.
Routing the refrigerant line
The connection between the indoor and outdoor units generally includes:
- The refrigeration copper lines;
- The communication wiring;
- The condensate drain.
At AirGreen, we pay particular attention to the finish of these components. A professional installation is not only about making the unit work: it must also maintain a clean, durable appearance.
For this installation in Hudson, the piping was protected with an exterior trim cover to limit exposure to the elements and achieve a more discreet finish.
The steps carried out by AirGreen during this installation in Hudson
Installing a wall-mounted heat pump involves several essential technical steps.
Assessment and preparation
Before installation, we check:
- The required capacity based on the area;
- The insulation and layout of the rooms;
- The ideal location for the indoor unit;
- The distance between the indoor and outdoor units;
- Electrical availability.
This step helps prevent the unit from being oversized or undersized.
Installing the indoor wall bracket
The metal bracket is securely fastened to the wall to support the weight of the indoor unit for many years.
The level of the support is checked precisely, as improper installation can cause:
- Inadequate condensate drainage;
- Vibrations;
- Operating noises;
- Premature wear.
Refrigeration installation and commissioning
After connecting the lines, our technicians perform the necessary checks:
- Leak testing of the refrigeration circuit;
- Vacuum evacuation;
- Checking the pressures;
- Verifying operation in heating and cooling modes.
These steps are essential to ensure the reliability of the compressor, which is the heart of the heat pump.
The advantages of a wall-mounted heat pump in the Montreal and Hudson area
Homeowners are increasingly choosing wall-mounted heat pumps for several reasons.
Improved comfort year-round
A single unit meets two needs:
- Cool during hot periods;
- Heat efficiently during the shoulder seasons and on many winter days.
Switching between heating and cooling modes is simple using the remote control or app, depending on the model selected.
Better-controlled electricity consumption
A high-efficiency heat pump can reduce the use of other heating sources when conditions are favorable.
In Quebec, where heating accounts for a large portion of a residence’s annual energy consumption, this optimization can make a significant difference on the electricity bill.
A solution suited to existing homes
Many homeowners hesitate to install a central system because it often requires significant work inside walls or ceilings.
A FORESTAIR E24 wall-mounted heat pump offers an interesting alternative:
- Faster installation;
- No ductwork required;
- Minimal work;
- Suitable for renovations and existing homes.
Common mistakes to avoid when installing a wall-mounted heat pump
Even a high-performance unit can lose some of its efficiency if the installation is poorly executed.
Here are some common mistakes we regularly encounter in the field of residential HVAC.
Choosing capacity based solely on floor area
The number of square feet is not the only factor to consider.
A proper assessment must take into account:
- Window orientation;
- Insulation;
- The number of occupants;
- Usage habits;
- The interior layout.
Neglecting the indoor unit’s location
Poor positioning can create uncomfortable areas with too much direct airflow or inadequate circulation.
Forgetting HVAC maintenance
Even an excellent heat pump requires regular maintenance.
We particularly recommend:
- Filter cleaning;
- Indoor coil inspection;
- Drain inspection;
- Regular professional cleaning.
Preventive maintenance helps preserve the unit’s performance and prevent costly repairs.
AirGreen expertise for heat pump installations in Hudson and Greater Montreal
At AirGreen, we support homeowners through every stage of their heating, ventilation, and air conditioning project.
Our approach is based on several elements:
- A personalized assessment before installation;
- Recommendations tailored to the building;
- An installation carried out according to HVAC best practices;
- Accessible after-sales service.
We install systems from various brands and in different configurations across several areas, including Montreal, Laval, Longueuil, Hudson, the North Shore, and the South Shore.
Every project is different. A small house requiring a single wall-mounted unit calls for a different approach than a large residence equipped with a central system or a multi-split solution.
This installation of a FORESTAIR E24 in Hudson demonstrates the importance of precise work: the right unit, installed in the right location, with professional commissioning, provides a reliable system 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 room, the outside wall, the line route and where the outdoor unit will go. That is where the capacity gets chosen.
Model, capacity and price, in writing. We also check whether the model qualifies for assistance programs.
Floors and furniture protected, wall plate position marked level, wall opening located.
A single opening, with the slope the drain needs to flow outside.
Set on a stand raised above the snow, with the clearances the manufacturer requires.
Connected, insulated and protected. The opening is then sealed against water, cold air and insects.
A dedicated circuit and an accessible disconnect near the outdoor unit.
Leak test, vacuum, then start-up and a check of heating and cooling.
Remote, modes, filters: we show you the essentials before we leave.
- The on-site estimateWe look at the room, the outside wall, the line route and where the outdoor unit will go. That is where the capacity gets chosen.
- The quoteModel, capacity and price, in writing. We also check whether the model qualifies for assistance programs.
- Getting readyFloors and furniture protected, wall plate position marked level, wall opening located.
- The wall openingA single opening, with the slope the drain needs to flow outside.
- The outdoor unitSet on a stand raised above the snow, with the clearances the manufacturer requires.
- Lines, cable and drainConnected, insulated and protected. The opening is then sealed against water, cold air and insects.
- The electrical workA dedicated circuit and an accessible disconnect near the outdoor unit.
- Tests and start-upLeak test, vacuum, then start-up and a check of heating and cooling.
- The walkthroughRemote, modes, filters: we show you the essentials before we leave.
And at your place?
Two quick checks with real numbers: what heat costs, and what your current heaters add up to in BTU/h.
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.
- Clean the indoor unit's filters.
- Clear leaves and debris left on the outdoor unit by winter.
- Test cooling before the first hot days.
- Clean the filters more often when the unit runs a lot.
- Keep plants away from the outdoor unit.
- Check that no water drips from the indoor unit.
- Rake the leaves around the outdoor unit.
- Test heating before the first cold days.
- Book periodic maintenance before winter.
- Keep snow away from the stand and the front of the unit.
- Let the unit defrost: it is normal.
- Never hit the ice on the fins; call us if the unit stays iced up.
Which type of equipment for your project?
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What people ask us about this kind of work
Does a wall-mounted heat pump heat in winter?
Wall-mounted or multi-zone: how do I choose?
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How cold can it heat?
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How is the LogisVert assistance calculated?
Is it noisy?
The outdoor unit is covered in ice: is that normal?
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).