2-Zone heat pump | 18,000 BTU Compressor | Gree Free Match M Series | Montreal, Laval, Longueuil, South Shore and North Shore

In stock
SKU: GWHD(18)ND3MO-512
18,000BTU/h · 2 heads
−30 °Cheats down to
$1,800LogisVert, indicative
ENERGY STAR® cold climateENERGY STAR Most EfficientWi-Fi includedR-410AUp to 2 heads
Areas
Talk to a technician · 514 316-2973
Outdoor unit GWHD(18)ND3MOPossible indoor models GWH05ATA-D3DNA3A/I, GWH07ATA-D3DNA3A/I, GWH09ATCXB-D3DNA3A/I, GWH12ATCXB-D3DNA3C/IAHRI 208786089· ENERGY STAR 2414685
In short

The Gree Free Match Série M 18 000 multi-zone heat pump heats and cools 2 rooms with a single outdoor unit. it delivers 15,000 BTU/h at −8 °C, heats down to −30 °C and qualifies for a $1,800 LogisVert grant. Installed by AirGreen in Montréal, Laval, Longueuil, the North Shore and the South Shore.

01 · The verdict in 10 seconds

2 rooms, one outdoor unit.

Compared with the 48 multi-zone systems of 18,000 BTU we sell. Every number on this page carries its source.

ENERGY STAR Most EfficientNEEP 403764AHRI 208786089LogisVert · October 1, 2026
+COP 2.21 at −15 °CRank 5 (tied) of 41. Class median: 2.00.
+Only 54 dB(A) outdoorsRank 7 (tied) of 48. Class median: 56 dB(A).
!Good to know: EER2 12.0Rank 36 of 45; class median: 12.5.
15,000BTU/h certified at −8 °C
−30 °Cstill heating
2heads
2.6COP at −8 °C
$1,800LogisVert, indicative
02 · The machine

The parts that make a multi-zone system.

Tap a part to learn more.

GWHD(18)ND3MO

Outdoor unit

One compressor for the whole house. It supplies up to 2 heads and modulates from 7,000 to 16,400 BTU/h depending on what the rooms call for (NEEP).

03 · How it works

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.

04 · My plan

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.

05 · The series

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.

Outdoor2 zones3 zones4 zones5 zones
18,000BTU
Here
24,000BTU
23
30,000BTU
234
36,000BTU
234
42,000BTU
2345

Gree Free Match Série M 18 000 · 2 zones

15,000 BTU/h
at −8 °C
$1,800
LogisVert

Up to 2 heads on this outdoor unit. Tap another box to see that size.

06 · Deep cold

At −15 °C, it still delivers 75 % 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.

+8.3 °C
7,000 → 18,100 BTU/h
-8 °C
7,200 → 16,400 BTU/h
-15 °C
7,200 → 13,600 BTU/h
Source: NEEP, minimum, rated and maximum ratings at 47, 17 and 5 °F.
07 · The bill

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.

08 · Efficiency

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.

SEER2 · seasonal cooling21.0
Scale 1 – 30Median: 22
Rank 27 (tied) of 47 in its class.
HSPF2 · seasonal heating10.0
Scale 1 – 15Median: 10
Rank 15 (tied) of 46 in its class.
EER2 · cooling in peak heat12.0
Scale 1 – 20Median: 12.5
Rank 36 (tied) of 45 in its class.
COP at −15 °C2.21
Scale 0 – 4Median: 2
Rank 5 (tied) of 41 in its class.
ENERGY STAR Most EfficientCold climate · ID 2414685 · ENERGY STAR database
09 · LogisVert grant

A grant you can calculate, not guess.

15,000 BTU/h÷ 1,000 ×$120=$1,800

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).

Set for this system (AHRI 208786089). Another head combination (ducted, console) can change the AHRI number, and so the amount.
Cap: the grant never exceeds 100 % of the purchase and installation cost before taxes.
9 months after installation to apply; +5 % when two measures are in the same request.
All about LogisVert, with the simulator
10 · Report card

Where it ranks among same-size multi-zone systems.

Compared with the 48 multi-zone systems of 18,000 BTU we sell, using the LogisVert list figures. Weaknesses too, said plainly.

11 · Head-to-head

Against three other brands in its class.

Same rated size, other manufacturers. Pick the opponent.

12 · Multi-zone or wall units

One multi-zone or several wall units? Both sides, honestly.

This multi-zone2 wall units
On the wall1 outdoor unit2 outdoor units
Electrical1 dedicated circuitOne circuit per unit
CapacityShared between roomsReserved for each room
If the outdoor unit stopsEvery zone stopsOnly one room
ModesSame mode everywhereEach room chooses
LogisVert$1,800 for the systemDepends on each model

We compare both options on your floor plan during the estimate.

13 · Installation

What to know before installing a multi-zone system.

Dimensions, wiring and lines, drawn. Then our six steps.

The outdoor unit, dimensioned

21.66 in
GWHD(18)ND3MODepth 13.84 in
32.38 in
Dimensions: product sheet (W × D × H).

One circuit for the whole house

Electrical panel
Load calculation before the quote
20 A max. breaker
MCA 15 A · 220 V
Outdoor unit
Head 1
Head 2
Our RBQ licence covers electrical work (subclass 16).
01Room-by-room visit and surveyWe measure each zone and note insulation and windows. The on-site estimate is free.
02Heads and line layoutOne pair of lines per head.
03Outdoor unit baseAbove the snow line, away from the neighbours’ bedroom windows.
04Exposed, finished linesLines 1/4 - 3/8 in under line covers, no work inside the walls.
05Dedicated circuit220 V, MCA 15 A, 20 A protection. The panel load calculation is done before the quote.
06Commissioning, zone by zoneEach head is tested and the controls set up. Then the LogisVert application within 9 months.
14 · Sound

Published sound levels, on one scale.

We use the outdoor figure to choose where the unit goes.

29
45
54
27
56
20 dB(A)3040506070
29 Reference head, lowest speed45 Reference head, highest speed27 Class indoor median54 Outdoor unit56 Class outdoor median
Values in dB(A). Indoor values are those of the sheet’s reference head; each head has its own, confirmed for the chosen model. Municipal noise by-laws vary by borough.
15 · What sets it apart

What is particular about this machine.

Only facts published by ENERGY STAR, NEEP or the manufacturer.

Most EfficientENERGY STARAmong the year’s most efficient according to ENERGY STAR, on top of its cold-climate certification.
16,400BTU/h peak at −8 °CIts maximum capacity certified by NEEP, above its rated value.
7,000BTU/h at low speedMinimum certified capacity (NEEP): it slows down instead of stopping when a single room calls.
−30 °CColdest certified pointNEEP still lists 10,200 BTU/h at a COP of 1.51 at −22 °F.
72 WBase pan heaterHeater in the outdoor unit’s base pan, against ice (NEEP).
16 · Specifications

Every number, and where it comes from.

Each line carries its source; a line with no published value is not shown.

Performance
Cooling capacity (size)18,000 BTU · 1,5 tonsSheet
Certified cooling at 35 °C17,000 BTU/hNEEP
SEER2 (seasonal cooling efficiency)21.0AHRI
EER2 (instant cooling efficiency)12.0AHRI
HSPF2 (seasonal heating efficiency, region IV)10.0AHRI
HSPF2, region V (coldest)8NEEP
Dehumidification2.96 pints/hSheet
Heating
Capacity at +8.3 °C18,000 BTU/h · COP 3.82NEEP
Capacity at −8 °C15,000 BTU/h · COP 2.6NEEP
Capacity at −15 °C13,600 BTU/h · COP 2.21NEEP
Capacity at −30 °C (max.)10,200 BTU/h · COP 1.51NEEP
Modulation range7,000 – 16,400 BTU/hNEEP
Heats down to−30 °CSheet
Zones and heads
Zones on this product2 Zones (Dual Zone)Sheet
Maximum zones2 Zones (Dual Zone)Sheet
Possible indoor modelsGWH05ATA-D3DNA3A/I, GWH07ATA-D3DNA3A/I, GWH09ATCXB-D3DNA3A/I, GWH12ATCXB-D3DNA3C/ISheet
Combinations offered4 · 5 + 12 … 9 + 12Sheet
Indoor dimensions (W × D × H)33.63 × 8.50 × 11.50 inSheet
Vertical louversManualSheet
Horizontal louversAutoSheet
Airflow (reference head)424 CFMSheet
Indoor sound (reference head)29 – 45 dB(A)Sheet
Installation
Outdoor unit (W × D × H)32.38 x 13.84 x 21.66 inSheet
Line sizes1/4 - 3/8 inSheet
Outdoor sound54 dB(A)Sheet
Base pan heater72 WNEEP
Electrical
Voltage220 VSheet
MCA (minimum circuit ampacity)15 ASheet
MOP (maximum overcurrent protection)20 ASheet
RefrigerantR-410ASheet
Wi-FiIncludedSheet
Certifications and warranty
AHRI208786089AHRI
ENERGY STARYes · cold climate · ID 2414685ENERGY STAR
ENERGY STAR Most EfficientYesENERGY STAR
LogisVert grant (indicative)$1,800LogisVert
Warranty (compressor · parts · labour)10 yrs · 10 yrs · 0 yrsSheet
AirGreen extended warrantyPossibleSheet
17 · Official brochures

The manufacturer’s documentation, as PDF.

18 · Description

Everything we have written about this system.

2-Zone Heat Pump | 18,000 BTU Compressor | Gree Free Match Series M | Montreal, Laval, Longueuil, South Shore, and North Shore

Introduction to the MultiZone Heat Pump

In the vast universe of heating and cooling solutions, the 2-Zone Heat Pump from Gree Free Match Series M stands out for its cutting-edge technology and exceptional energy performance. Designed to meet the specific needs of homes and businesses in Montreal, Laval, Longueuil, as well as the North Shore and South Shore regions, this heat pump represents a year-round thermal comfort solution while offering remarkable energy efficiency.

Key Technical Features

The 2-Zone Heat Pump by Gree is equipped with a powerful 18,000 BTU compressor, capable of providing optimal cooling and heating capacity even in the most extreme weather conditions, down to -30°C. The compact exterior dimensions of the unit and specific serial numbers for each component ensure easy integration and tracking for professionals.

  • Capacity and Zones: With two independent comfort zones, this heat pump is ideal for spaces requiring different temperatures in different rooms, thus offering maximum flexibility.
  • Subsidies and Savings: The purchase of this unit is supported by federal and provincial subsidies, making the investment even more attractive for homeowners and businesses.
  • Technology and Performance: The high SEER rating of 21.0 and Energy Star® certification attest to the device's energy efficiency. Moreover, the G10 Inverter technology and low-voltage start-up allow for substantial energy savings.
  • Comfort and Durability: The reduced sound pressure level, extended warranty, and the use of eco-friendly R-410A refrigerant highlight AirGreen's commitment to user comfort and environmental respect.

Advantages of the 2-Zone Heat Pump

Energy Efficiency and Savings

One of the main benefits of the 2-Zone Heat Pump by Gree is its energy efficiency. Thanks to its SEER rating of 21.0, users enjoy a significant reduction in their energy bills, while contributing to environmental protection.

Year-Round Comfort

With its ability to provide heating in cold weather down to -30°C and cooling during the summer months, this heat pump ensures optimal comfort in your home or business, regardless of the season.

Advanced Technology

The G10 Inverter technology allows the heat pump to automatically adjust to maintain a constant and pleasant temperature, thus reducing fluctuations and frequent startups, typical of less advanced systems.

Durability and Reliability

The robustness of the construction, the anti-corrosion coating, and the reinforced steel casing ensure superior longevity and reliability, reducing maintenance needs and long-term costs.

Why Choose AirGreen for Your Installation?

AirGreen stands out for its expertise in the field of heating and air conditioning systems. Our team of certified and experienced professionals is committed to providing impeccable installation service, thus ensuring the proper functioning and optimal efficiency of your 2-Zone Gree Free Match Series M Heat Pump. By choosing AirGreen, you benefit from personalized support, expert advice, and responsive after-sales service.

Conclusion

The 2-Zone Gree Free Match Series M Heat Pump represents a premium heating and cooling solution for residents and businesses in Montreal, Laval, Longueuil, and surrounding areas. Combining state-of-the-art technology, energy efficiency, and durability, this system provides exceptional thermal comfort throughout the year. For professional installation and quality service, trust AirGreen, your preferred HVAC solutions partner.

19 · Questions

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: 15,000 BTU/h at −8 °C, 13,600 at −15 °C and 10,200 at −30 °C.

How many heads can I connect?

Up to 2 on this outdoor unit. This product is configured for 2 heads.

Can I mix head sizes?

Yes. The “Zones” menu offers 4 combinations, from 5 + 12 to 9 + 12 (in thousands of BTU). Each head is sized for its room.

How much is the LogisVert grant?

$1,800 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 2414685. 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. At −30 °C, it still delivers 10,200 BTU/h with a COP of 1.51.

Is it noisy?

Indoors, the reference head goes down to 29 dB(A). Outdoors, 54 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.

AirGreen

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.

RBQ 5645-9605-01Ventilation 15.8, refrigeration 15.10, electrical 16
We handle the circuitOur licence covers the electrical work
LogisVert : $1,800AHRI 208786089 checked against the list of October 1, 2026
Beware of scamsHydro-Québec does no phone or door-to-door solicitation for LogisVert
Sources checked on October 1, 2026.NEEP, Cold Climate Air Source Heat Pump List, product 403764 (AHRI 208786089): capacities and COP, modulation, SEER2, EER2, HSPF2.ENERGY STAR certified heat pump database, ID 2414685.Hydro-Québec, LogisVert eligible heat pump list (owner, existing home), file of October 1, 2026; participation guide, version 1.10.Costs: Hydro-Québec Rate D, 11.142 ¢/kWh (second tier, since 1 April 2026). Amounts shown are estimates; only the responsible bodies confirm the grant awarded.