Project

Installation of an AMERISTAR 22 SEER 115V Wall-Mounted Heat Pump in Montreal

AirGreen's recent installation in Montreal highlights a seamless blend of efficiency and satisfaction, showcasing why they're the top choice for HVAC solutions.

By AirGreen Climatisation & Chauffage Admin4 min read
Installation of an AMERISTAR 22 SEER 115V Wall-Mounted Heat Pump in Montreal
Installation of an AMERISTAR 22 SEER 115V Wall-Mounted Heat Pump in Montreal
–chapters in this story
4 minreading time
–type of installation
2024year published
The tour

Take a tour of the installation

Each number is a point we check on site. Switch between summer and winter to watch air and heat move.

Generic diagram: wall-mounted heat pump, indoor and outdoor units

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.

  1. 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.

  2. The refrigerant lines, the communication cable and the drain go through the wall in a single opening, sealed against water, cold air and insects.

  3. Two insulated copper pipes connect the two units. Outside, a line cover can protect them from sun, knocks and weather.

  4. A shut-off switch near the outdoor unit isolates it safely for service. It must stay accessible at all times.

  5. The compressor and the fan. In heating mode it captures heat from the outdoor air, even in winter, and moves it inside.

  6. On the ground or on the wall, it keeps the unit above accumulated snow. The unit stays clear and defrost water can drain away.

  7. The fan needs to blow freely. Storage, a fence or a wall too close, and efficiency drops while noise goes up.

The job

A Seamless Transition to Efficiency: The AMERISTAR 22 SEER Heat Pump Installation

In the heart of Montreal, AirGreen, a leading HVAC company, recently undertook a project that underscores our expertise and dedication to providing high-quality, efficient heating, ventilation, and air conditioning (HVAC) solutions. This project involved the installation of an AMERISTAR 22 SEER 115V Wall-Mounted Heat Pump, a model celebrated for its efficiency, reliability, and quiet operation. Our commitment to excellence and customer satisfaction shines through in this straightforward yet significant installation, demonstrating why Montreal residents continue to choose AirGreen for their HVAC needs.

The Client's Request: A Perfect Blend of Old and New

Our client, residing in the vibrant city of Montreal, approached us with a specific request: to replace an outdated heating and cooling unit without altering the existing setup. The challenge was to integrate a new, high-efficiency system that could utilize the same pipes and electrical wiring, thereby ensuring a seamless transition from old to new. The AMERISTAR 22 SEER 115V Wall-Mounted Heat Pump emerged as the ideal candidate for this task, meeting all the client's criteria, including quiet operation, high efficiency, and affordability.

The AMERISTAR Advantage: Unveiling the Features

Before diving into the details of the installation, let's take a moment to appreciate the features of the AMERISTAR 22 SEER 115V model that make it a standout choice for homeowners:

  • Energy Star® Certification: Ensures that the unit meets stringent energy efficiency guidelines set by the U.S. Environmental Protection Agency.
  • Impressive Efficiency: With a 22.0 SEER rating, this heat pump offers significant savings on energy bills without compromising comfort.
  • Quiet Operation: Features a sound pressure level of just 62 dB(A) for the exterior unit and 43/52 dB(A) for the interior, making it one of the quietest in its class.
  • Robust Warranty: Comes with a comprehensive 10-10-10 warranty covering the compressor, parts, and labor, ensuring peace of mind for the homeowner.
  • Eco-Friendly Refrigerant: Utilizes R-410A gas, reducing the carbon footprint and making it an environmentally friendly choice.
  • Versatile Heating and Cooling Capabilities: With a cooling capacity of 12,000 BTU and the ability to heat effectively down to -20°C, it's designed to handle Montreal's diverse climate.

The Installation Process: Efficiency and Precision

Our team of certified professionals approached the installation with the goal of exceeding the client's expectations while maintaining the integrity of the existing setup. Here's a glimpse into our methodical process:

  1. Assessment and Preparation: We began by carefully assessing the existing infrastructure, ensuring that the pipes and electrical wiring were in optimal condition to support the new unit. This involved a thorough cleaning and inspection to identify any potential issues.
  2. Seamless Integration: Thanks to the compatibility of the AMERISTAR 22 SEER 115V with the existing setup, our team was able to efficiently integrate the new heat pump, leveraging the existing pipes and wiring without any major modifications.
  3. Quality Assurance: Following the installation, our experts conducted several tests to guarantee the system's performance and efficiency. This included verifying the proper function of the heat pump under various conditions, ensuring that it lived up to its energy efficiency and quiet operation claims.
  4. Client Education: We provided the homeowner with a comprehensive overview of the heat pump's features, maintenance tips, and operational guidance to maximize efficiency and longevity.

The Result: Another Satisfied Customer

The project's success was evident not only in the seamless installation and the immediate improvement in indoor comfort but also in the client's satisfaction. The homeowner was particularly impressed with our attention to detail, the cleanliness of the installation process, and our commitment to utilizing the existing infrastructure, thereby minimizing disruption and expense.

Why AirGreen Stands Out

This installation exemplifies AirGreen's commitment to providing top-tier HVAC solutions tailored to our clients' unique needs. Our approach combines technical expertise, a deep understanding of our products, and a customer-centric philosophy, ensuring that every project we undertake is executed with precision and care.

  • Expertise in HVAC Solutions: Our team's comprehensive knowledge of HVAC systems, coupled with a specialization in energy-efficient and eco-friendly options, positions us as a trusted partner for all your heating and cooling needs.
  • Commitment to Quality: From the initial consultation to the final installation and beyond, we prioritize quality, reliability, and customer satisfaction.
  • Tailored Solutions: We understand that every home and every client is unique. That's why we offer customized solutions designed to meet your specific requirements, ensuring optimal comfort and efficiency.
The steps

The big day, step by step

The main steps of this kind of job at AirGreen. Every house has its quirks: the estimate brings them out.

Step 1 of 9The on-site estimate

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.

  1. 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.
  2. The quoteModel, capacity and price, in writing. We also check whether the model qualifies for assistance programs.
  3. Getting readyFloors and furniture protected, wall plate position marked level, wall opening located.
  4. The wall openingA single opening, with the slope the drain needs to flow outside.
  5. The outdoor unitSet on a stand raised above the snow, with the clearances the manufacturer requires.
  6. Lines, cable and drainConnected, insulated and protected. The opening is then sealed against water, cold air and insects.
  7. The electrical workA dedicated circuit and an accessible disconnect near the outdoor unit.
  8. Tests and start-upLeak test, vacuum, then start-up and a check of heating and cooling.
  9. The walkthroughRemote, modes, filters: we show you the essentials before we leave.
Your numbers

What would it look like at your place?

Two quick checks with real numbers: what heat costs, and what your current heaters add up to in BTU/h.

Size checkYour baseboards, in BTU/h
–BTU/h of installed electric heat

    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.

    Mistakes avoided

    Four mistakes we do not make

    Flip each card to see what we do instead.

    Going further

    Your own project, step by step

    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 indoor unit's filters.
    • Clear leaves and debris left on the outdoor unit by winter.
    • Test cooling before the first hot days.
    At your place

    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.

    0 / 6 checked
    True or false

    Four statements: true or false?

    It all comes down to details you have just seen.

    1. In heating mode, the outdoor unit can produce water.

    2. You pick the capacity with a simple square-footage rule.

    3. A multi-zone connects several indoor heads to a single condenser.

    4. The disconnect can sit behind the patio furniture.

    Frequently asked questions

    What people ask us about this kind of work

    12 questions
    Does a wall-mounted heat pump heat in winter?
    Yes, it heats and cools. Its capacity drops in very cold weather; the operating range depends on the model and is listed on its spec sheet.
    Wall-mounted or multi-zone: how do I choose?
    One wall head and one condenser outside: the direct solution for a room or an open area. For two to five rooms, a multi-zone puts one head in each room on a single condenser.
    Where does the outdoor unit go?
    Where it stays above the snow, clear and accessible, away from walkways. We decide it with you during the estimate.
    Are there grants?
    Depending on the model and your situation, assistance programs may apply, including Hydro-Québec's LogisVert. AirGreen checks the model number before quoting an amount. See the grants.
    Do I need a permit?
    Rules vary from city to city: location, distances, noise. See permits and by-laws, and we check for your address.
    How cold can it heat?
    It depends on the model. According to Hydro-Québec, newer models work down to a temperature between −15 °C and −25 °C, and some cold-climate models are certified lower. The minimum temperature is on each unit's spec sheet.
    How much can I save?
    Hydro-Québec says a heat pump can be up to three times more efficient than baseboards for heating in the colder months. The result depends on the house, the climate and how it is used.
    How is the LogisVert assistance calculated?
    For ENERGY STAR cold-climate certified heat pumps, Hydro-Québec lists assistance of $120 per 1,000 BTU/h of heating capacity at −8 °C. AirGreen checks the exact model before quoting an amount; only Hydro-Québec confirms the assistance granted. See the grants.
    Is it noisy?
    The sound level depends on the model and is listed in decibels on each unit's spec sheet. Location matters too: when possible, we avoid putting the outdoor unit under a bedroom window.
    The outdoor unit is covered in ice: is that normal?
    Some frost is: the unit runs defrost cycles. Never hit the ice. If the unit stays iced up or stops heating, call us.
    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.

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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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