Ameristar DoubleZone Wall Heat Pump | 24,000 BTU Compressor | Installation in Montreal, Laval, Longueuil, South Shore & North Shore
The Ameristar 24 000 multi-zone heat pump heats and cools 2 rooms with a single outdoor unit. it delivers 23,600 BTU/h at −8 °C, heats down to −30 °C and qualifies for a $2,832 LogisVert grant. Installed by AirGreen in Montréal, Laval, Longueuil, the North Shore and the South Shore.
2 rooms, one outdoor unit.
Compared with the 59 multi-zone systems of 24,000 BTU we sell. Every number on this page carries its source.
The parts that make a multi-zone system.
Tap a part to learn more.
Outdoor unit
One compressor for the whole house. It supplies up to 3 heads and modulates from 7,500 to 26,600 BTU/h depending on what the rooms call for (NEEP).
Base pan heater
A heater keeps the outdoor unit’s base pan free of ice below 1 °C and during defrost (NEEP).
Refrigerant lines
One pair of lines per head.
Indoor heads
One head per room, each with its own remote and temperature. The combination is chosen in the “Zones” menu.
Control
Each zone is set separately.
Turn rooms on and off. Watch the power being shared.
One outdoor unit supplies every head: when several rooms call at once, they share its capacity. Pick an outdoor temperature.
Tell us your rooms. We tell you if this size is enough.
Pick the number of rooms and their size. The estimate targets a −15 °C day; it is a guide, the real calculation is done room by room at your home.
The whole series at a glance: find the box that fits you.
Each box is a product: the outdoor unit’s size, and the number of heads.
At −15 °C, it still delivers 90 % of its rated capacity.
Tap a temperature: certified capacity, efficiency and the cost of one hour of heating.
It slows down, it speeds up: the certified modulation range
Light bar: from minimum to maximum capacity. Dark mark: the rated value.
At every temperature, cheaper than baseboards.
Cost of one hour at full output, for the same heat delivered. Hydro-Québec Rate D, second tier: 11.142 ¢/kWh.
The official ratings, on the same scales as before.
SEER2, HSPF2 and EER2 come from the AHRI certification. The mark shows the median of the same-size multi-zone systems we sell.
A grant you can calculate, not guess.
The capacity at −8 °C comes from Hydro-Québec’s list of October 1, 2026. $120 per 1,000 BTU/h is the rate for ENERGY STAR cold-climate heat pumps (guide v1.10).
Where it ranks among same-size multi-zone systems.
Compared with the 59 multi-zone systems of 24,000 BTU we sell, using the LogisVert list figures. Weaknesses too, said plainly.
Against three other brands in its class.
Same rated size, other manufacturers. Pick the opponent.
One multi-zone or several wall units? Both sides, honestly.
We compare both options on your floor plan during the estimate.
What to know before installing a multi-zone system.
Dimensions, wiring and lines, drawn. Then our six steps.
The outdoor unit, dimensioned
One circuit for the whole house
Published sound levels, on one scale.
We use the outdoor figure to choose where the unit goes.
What is particular about this machine.
Only facts published by ENERGY STAR, NEEP or the manufacturer.
Every number, and where it comes from.
Each line carries its source; a line with no published value is not shown.
The manufacturer’s documentation, as PDF.
Everything we have written about this system.
Ameristar Wall-Mounted DoubleZone Heat Pump
Excellence in Home Comfort: The Ameristar Wall-Mounted DoubleZone Heat Pump
In a world where home comfort has become an undeniable priority, AirGreen stands out as the ideal partner for equipping your home with innovative and efficient heating, ventilation, and air conditioning (HVAC) solutions. Specializing in the installation and maintenance of HVAC systems in the greater Montreal, Laval, Longueuil, as well as the North Shore and South Shore areas, AirGreen highlights its flagship solution: the Ameristar Wall-Mounted DoubleZone Heat Pump.
Unmatched Technical Features
The Ameristar Wall-Mounted DoubleZone Heat Pump is distinguished by its advanced technical features, designed to offer optimal comfort in all seasons. Equipped with a 24,000 BTU compressor, it can efficiently cool and heat your living space, even when the mercury dips down to -30°C. Its performance is all the more remarkable because it can serve up to three different zones, with exceptional installation flexibility.
- Cooling Capacity: 24,000 BTU
- Heating Capacity: down to -30°C
- Comfort Zones: up to 3 zones, for complete customization of the indoor climate
Technology and Innovation
The Ameristar Wall-Mounted DoubleZone Heat Pump is not just powerful; it is also equipped with cutting-edge technologies for maximum energy efficiency. Certified Energy Star, it promises significant savings on your energy bills, thanks to a SEER rating of 21.0. The model incorporates a WiFi option for remote control via smartphone, thus offering a simple and intuitive indoor temperature management.
- Energy Efficiency: 21.0 SEER, for enhanced efficiency and savings
- Smart Control: WiFi option, for remote management via smartphone
Durability and Reliability
Built to last, the Ameristar Wall-Mounted DoubleZone Heat Pump is protected by a coil coating specially designed for coastal regions, increasing its resistance to corrosion. Moreover, it comes with an exceptional 10-year warranty on all parts, ensuring peace of mind and long-term satisfaction.
- Advanced Protection: Coil coating for increased durability
- Comprehensive Warranty: 10 years on all parts, for unparalleled peace of mind
Professional Installation by AirGreen
At AirGreen, we understand that the installation of a heat pump is crucial for its optimal operation. That's why we offer professional installation services, carried out by our certified HVAC experts. Operating in the greater Montreal, Laval, Longueuil, as well as the North Shore and South Shore areas, we guarantee a quick, efficient, and industry-standard compliant installation.
Subsidies and Financial Assistance
Acquiring an Ameristar Wall-Mounted DoubleZone Heat Pump is made even more accessible thanks to available federal and provincial subsidies. Benefit from up to $5,000 in federal aid and $1,180 in provincial subsidies to make your investment even more advantageous.
Why Choose AirGreen?
Choosing AirGreen means opting for recognized expertise in the HVAC field in Montreal and its surroundings. Our commitment to service quality, our attention to detail, and our desire to offer tailored solutions make us the number one choice for your heat pump and air conditioning needs.
In Conclusion
The Ameristar Wall-Mounted DoubleZone Heat Pump represents the pinnacle of home comfort, combining performance, energy efficiency, and advanced technology. With AirGreen, benefit from professional installation and impeccable after-sales service. To learn more about our services and how the Ameristar Wall-Mounted DoubleZone Heat Pump can transform your home, contact us today.
What people ask us about multi-zone systems.
Can I heat one room and cool another at the same time?
No. On a multi-zone system like this one, every head works in the same mode, heating or cooling. Each room still keeps its own set temperature.
What happens when every room calls for heat?
They share the outdoor unit’s capacity: 23,600 BTU/h at −8 °C, 21,600 at −15 °C.
How many heads can I connect?
Up to 3 on this outdoor unit. This product is configured for 2 heads.
Can I mix head sizes?
Yes. The “Zones” menu offers 6 combinations, from 9 + 9 to 18 + 18 (in thousands of BTU). Each head is sized for its room.
How much is the LogisVert grant?
$2,832 according to Hydro-Québec’s list of October 1, 2026. The grant never exceeds 100 % of the cost before taxes; apply within 9 months of installation.
Is it ENERGY STAR certified?
Yes, cold climate, ID 2415482. It also meets the ENERGY STAR Most Efficient criteria, according to the ENERGY STAR database.
Down to what temperature does it heat?
Down to −30 °C.
Is it noisy?
Indoors, the reference head goes down to 29 dB(A). Outdoors, 58 dB(A): we place the unit away from bedroom windows.
Why a multi-zone instead of several wall units?
One outdoor unit on the wall and one circuit. In return, the rooms share the capacity, and if the outdoor unit stops, every zone stops.
What does the warranty cover?
Our sheet lists 10 years on the compressor and 10 years on parts; labour is not included by the manufacturer. AirGreen extended warranty: possible.
A multi-zone system is planned room by room. At your home.
We measure every room, draw the line route and choose the right head for each zone. The on-site estimate is free and the quote arrives within 24 h.