GREE UNIX R32 "ADD-ON" Central Heat Pump | 5T | Coil in a Box

• BROCHURE: FRENCH
• BROCHURE: ENGLISH

A central heat pump designed for Quebec buildings, not for catalogues.

At AirGreen, we install central HVAC systems in real-world conditions, in real buildings, inhabited by real families and operated by real owners. This has taught us one essential lesson: a high-performing central heat pump on paper is not necessarily a reliable solution in practice, especially in the demanding climate of Greater Montreal.

The GREE UNIX R32 "ADD-ON" Central Heat Pump | 5 tons with boxed coil was designed precisely to meet the constraints we encounter every week in Montreal, Laval, Longueuil, on the North Shore and the South Shore : extreme temperatures, existing buildings, aging central systems, high energy requirements and clear expectations for comfort.

This model is aimed at owners who want to intelligently modernize their system without starting from scratch, while obtaining a sustainable, measurable and subsidy-eligible solution.

An ADD-ON architecture designed for retrofitting and reducing unnecessary costs

The ADD-ON concept is not a marginal option: today it is one of the most rational approaches to improving the energy efficiency of a building already equipped with a central system.

Thanks to its boxed coil , this central heat pump can be directly integrated:

• to an existing electric furnace ,

• to an existing gas furnace ,

• to a functional air distribution system.

In practical terms, this allows:

• to retain the existing conduits,

• to significantly reduce demolition work,

• to limit the duration of the construction project,

• to reduce the overall costs of the project.

At AirGreen, we very often use this configuration in plexes in Montreal , intergenerational homes in Laval and rental buildings on the South Shore , where owners want to improve performance without immobilizing the building for too long.

A central solution truly suited to large volumes

With a nominal capacity of 60,000 BTU (5 tonnes) , this central heat pump is designed to serve large areas: large single-family homes, duplexes, triplexes, multiplexes and light commercial buildings.

In real-world conditions, we observe:

• 40,000 BTU available at -8°C

• 54,000 BTU at -15°C

• stable operation down to -30 °C

This heating capacity is crucial in areas exposed to intense cold, particularly on the North Shore and in some more open areas of Montreal, where wind and heat loss increase energy demand.

Energy efficiency that translates into lower bills.

Beyond its raw power, the GREE UNIX R32 ADD-ON 5T Central Heat Pump stands out for its seasonal efficiency, which is consistent with the actual needs of Quebec:

• SEER2: 15.23 for air conditioning

• HSPF2: 8.5 for heating

• EER2: 9.5

• COP of 11.83 at -8 °C

These values ​​are not abstract. They translate into:

• a reduction in the use of auxiliary heating,

• more stable electricity consumption

• better control of long-term costs.

It is also this level of performance that makes this system eligible for the LogisVert subsidy , with an amount of up to $4,800 , depending on the criteria in effect at the time of installation.

In several projects carried out by AirGreen in Longueuil and Boucherville, the grant made the transition to a high-performance central heat pump significantly more accessible.

R-32 technology and precise power control

The choice of R-32 refrigerant is based on environmental and technical considerations. Compared to previous generations, it offers:

• a reduced environmental impact,

• improved energy efficiency

• increased compliance with current and future standards.

The integrated DC inverter technology allows for precise power modulation, preventing abrupt on/off cycles. The result:

• a more stable indoor temperature

• less mechanical stress on the compressor

• extended system lifespan.

In dense residential buildings in Montreal, this stability significantly improves perceived comfort, especially during long periods of continuous cold.

Built-in security and peace of mind

Each UNIX R32 series boxed coil is equipped with a refrigerant leak detection system . This device adds an essential layer of safety, particularly in multi-unit residential buildings.

For homeowners, this means:

• increased protection for occupants,

• rapid anomaly detection

• a reduction in the risk of long-term damage.

HVAC compatibility and integration flexibility

The GREE UNIX R32 "ADD-ON" Central Heat Pump integrates easily into a wide variety of existing configurations:

• widely used standard 24V thermostats,

• RS485 communication,

• downstream applications,

• compatibility with different types of central systems.

This flexibility is essential in older buildings or those modified over the decades, a very common situation in Montreal and surrounding cities.

Key technical data for well-designed projects

During each project study, our teams analyze, in particular:

• Airflow up to 1,500 CFM

• Dehumidification capacity of 17.22 pt/h

• Outdoor noise level of approximately 62 dB(A)

• 220V power supply

• MCA: 40 A | MOP: 45 A

• Piping: 3/8 – 3/4

These elements guarantee a compliant, balanced and quiet installation, particularly important in the dense residential areas of Laval and the South Shore.

Concrete feedback observed by AirGreen in the field

After installation, the benefits reported by our clients are consistent and measurable:

• A significant decrease in the use of auxiliary heating.

• more consistent temperature between floors

• better humidity management during the summer,

• constant comfort even during periods of extreme cold.

In a recently modernized rental building on the South Shore , the owner observed a significant decrease in energy costs from the first full season, while also improving occupant satisfaction.

Why entrust this type of project to AirGreen?

A 5-tonne central heat pump doesn't tolerate approximations. At AirGreen, every project includes:

• a detailed thermal analysis of the building,

• a complete inspection of existing ducts,

• precise sizing of the coil in the box,

• an installation compliant with HVAC and electrical standards

• clear and structured post-installation follow-up.

Our goal is simple: to deliver a stable, efficient and durable system, designed for the long term.

Switch to a central solution that is truly tailored to your building.

If you are considering installing a GREE UNIX R32 | 5T | Coil-in-Cabin Central "ADD-ON" Heat Pump in Montreal, Laval, Longueuil, on the North Shore or the South Shore , the AirGreen team is ready to analyze your situation in depth and offer you a precise, coherent solution adapted to your reality.