Project

Installation of an Amana PTAC (integrated air conditioner and heater) in Ville-Marie

Installation of an Amana PTAC air conditioner-heater in Ville-Marie. AirGreen carries out turnkey HVAC projects for condos and buildings in Montreal, Laval, Longueuil, North Shore and South Shore.

By AirGreen Climatisation & Chauffage Admin3 min read
Installation of an Amana PTAC (integrated air conditioner and heater) in Ville-Marie
Installation of an Amana PTAC (integrated air conditioner and heater) in Ville-Marie
Generic diagram: PTAC installed under a window, through the wall

Generic illustration of this type of installation, not a survey of this job site. Tap a number.

  1. All-in-one: it heats and cools from inside the room, with no separate outdoor unit.

  2. A box that goes through the wall and holds the unit. It is installed following the manufacturer's instructions so water drains to the outside.

  3. This is where the unit exchanges heat with the outdoor air. It must stay clear.

  4. A dedicated connection matched to the unit's voltage and amperage.

  5. On the unit or through a wall thermostat, depending on the model.

  6. Under a window, the unit must leave curtains, sill and opening free, and let air move through the room.

A custom HVAC installation project in the heart of Montreal

In a condo in the Ville-Marie district, we recently installed an Amana PTAC (Packaged Terminal Air Conditioner) integrated air conditioner and heater . This type of equipment, often used in hotels, condo towers and some residential buildings, is an effective solution for combining thermal comfort and ease of maintenance, while freeing up wall space.

Project background

Our client wanted to replace an old integrated unit that had become too energy-intensive. Located in a residential tower overlooking the city center, the apartment required a compact and reliable solution capable of providing air conditioning in the summer and heating in the winter , without the need for a complete central system. Choosing an Amana PTAC was the ideal solution.

Why an Amana PTAC system in Montreal?

PTAC units have several advantages in contexts like this:

  • Operational independence : each condo or room has its own device.

  • Simplified installation : direct passage through the exterior wall, without conduit networks.

  • Easy maintenance : front access for filters and essential components.

  • Versatility : heating and air conditioning integration in a single compact module.

Installation steps carried out by AirGreen

1. Removing the old device

We proceeded to completely dismantle the old unit , taking care to manage the electrical connections and prepare the wall opening for the new Amana.

2. Preparation of the wall housing

The existing niche was inspected and adapted to accommodate the new appliance. We checked the perimeter insulation and ensured optimal sealing to prevent any air or moisture infiltration.

3. Installing the Amana PTAC unit

  • Electrical connection directly to the existing circuit, checked and brought up to standard.

  • Precise positioning of the device under the window, with wedging to eliminate any vibration.

  • Complete test of heating and air conditioning functions.

4. Finishes and safety

An aesthetic adjustment was made with a discreet weatherstrip. We also neatly secured the electrical cables and secured the adjacent wall outlet.

Results for the client

From the moment it was put into service, the condo benefited from immediate thermal comfort , with independent and intuitive temperature control. The system offers rapid heating in winter and efficient cooling in summer, ideal for a sun-facing apartment.

AirGreen expertise serving the city center

At AirGreen, we understand the realities of downtown Montreal buildings, whether in Ville-Marie, the Plateau, Outremont, or the Old Port . Each project requires a tailored approach, as technical constraints (restricted spaces, co-ownership regulations, limited access to exterior walls) vary from one building to another.

Thanks to our experience, we are able to offer:

  • Reliable and durable Amana PTAC solutions , perfectly suited to condos and hotels.

  • HVAC installations that comply with current standards in Montreal and its surrounding areas.

  • A turnkey service ranging from initial advice to periodic maintenance.

Conclusion

This installation in Ville-Marie clearly illustrates the importance of choosing the right solution between wall-mounted heat pumps , central systems or PTAC units , depending on the type of building and the client's needs. By choosing Amana, our client now benefits from an efficient system that is easy to maintain and perfectly integrated into their living space.

The steps

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.

Step 1 of 7The on-site estimate

We look at the outside wall, the window, the space in the room and the power supply.

  1. The on-site estimateWe look at the outside wall, the window, the space in the room and the power supply.
  2. The quoteThe unit, the sleeve and the price, in writing.
  3. The wall sleeveInstalled following the manufacturer's instructions, so water drains to the outside.
  4. The electrical workA dedicated connection matched to the unit's voltage and amperage.
  5. Unit and grilleThe unit slides into the sleeve; the outdoor grille stays clear.
  6. TestsStart-up and a check of heating and cooling.
  7. The walkthroughControls, filter, what to keep clear.
Through the seasons

What to do, season by season

Three habits per season for this unit. They take a few minutes and prevent many calls.

  • Clean the filter.
  • Clear the outdoor grille.
  • Test cooling.
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Mistakes avoided

Four mistakes we do not make

Flip each card to see what we do instead.

Frequently asked questions

What people ask us about this kind of work

7 questions
What is a PTAC?
An all-in-one unit installed under the window, through the wall. It heats and cools the room with no separate outdoor unit.
Where does it go?
On an outside wall that can take the sleeve, with the grille clear outside and free air in front of the unit.
What does it need electrically?
A dedicated connection matched to the unit's voltage and amperage. AirGreen holds subclass 16 Electricity.
Can the existing sleeve be reused?
Sometimes, if the sleeve fits the new unit and is in good shape. We check on site.
Does a PTAC cool the whole house?
No, it is designed for one room. For several rooms, a multi-zone or a central system is often a better fit.
Does AirGreen hold the required licences?
Yes. AirGreen holds RBQ licence 5645-9605-01, subclasses 15.8 Ventilation, 15.10 Refrigeration and 16 Electricity.
Is the estimate free?
Yes. The on-site estimate is free and the quote follows within 24 hours. Book my free estimate.
Going further

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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).

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