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R-32 · ENERGY STAR cold climate for all four sizes

GREE Rooftop R32 · packaged · Updated Oct. 27, 2026

GREE packaged heat pumps. One cabinet on the roof, connected to your ducts. How much heat at −30 °C? The certified records answer, size by size. LogisVert? The list carries all four sizes; the guide names only split and mini-split systems.

4 GREE Rooftop R32 packaged heat pumps, from 24,000 to 60,000 BTU/h. For a flat-roof plex, shop or house that already has ductwork. Compressor, coils and fan sit in one cabinet on the roof: no indoor unit, no refrigerant line set inside the building. What is left is picking the size, and checking what the roof and the electrical panel will take.

See the heat by size What the cabinet holds Book my free estimate

−30 °CBottom of the heating range GREE publishes for all four sizes. At that temperature, NEEP still lists a maximum of 13,200 to 28,500 BTU/h, from the 2-ton to the 5-ton.

0 mOf refrigerant line set to run inside the building. ENERGY STAR files all four sizes as “Single Package”: every major assembly in one cabinet.

285.0 kgNet weight of the 4- and 5-ton per GREE Canada, 237.0 kg for the 2- and 3-ton: the load the roof has to carry. The LogisVert amounts listed for these AHRI numbers are in the LogisVert section, to be confirmed for a packaged unit.

4sizes on this page
2–5tons, from 24,000 to 60,000 BTU/h
4/4ENERGY STAR cold climate, checked by AHRI number
208-230 Vsingle phase, all four sizes

AirGreen × GREEGREE Elite dealerOne cabinet on the roofCold-climate certified, 2 to 5 tonsHeating down to −30 °C per GREEMontréal, Laval, Longueuil, South Shore, North Shore

The winter ladder

Four sizes, four temperatures. See what each one delivers.

Tonnage says little about winter. The NEEP and ENERGY STAR records of each AHRI number say a lot: from 8.3 °C down to −30 °C, with the rated value wherever one exists.

Winter, size by size

All four AHRI numbers have a NEEP record and an ENERGY STAR cold-climate record. Pick a size: the answer shows the maximum heat published at four temperatures, then the LogisVert arithmetic.

At −15 °C, the 3-ton matches the 2-ton

ENERGY STAR rates the 2-ton and the 3-ton at 29,000 BTU/h at −15 °C, and the 4-ton and the 5-ton at 51,000. The gap between neighbouring sizes comes back at −8.3 °C and −30 °C. For all four sizes, NEEP and ENERGY STAR publish more heat at −15 °C than at −8.3 °C: we show their values as published.

In the cabinet, and around it

What GREE ships, and what gets prepared on site.

A packaged unit moves the work to the roof. GREE ships the complete cabinet; four things remain to plan on site.

Shipped by GREE

One cabinetCompressor, coils and fan in a cabinet 1,250 mm tall. The supply and return ducts connect straight to it.
The R32, factory-charged4.25 kg in the 2- and 3-ton, 5.8 kg in the 4- and 5-ton. That charge also sets a minimum room area: see the technician’s corner.
The GREE wired controllerIncluded, on two non-polarized wires, up to 98.5 ft (30 m) from the unit. A 24 V thermostat can take its place: the “Thermostat” tool below explains the setting.
A 160 W base pan heaterPer NEEP, it turns on below 33.8 °F (1 °C) outdoors or during defrost.

To plan on site

The roof curbGREE does not supply it. The manual gives its reference dimensions; the supply and return ducts are built on site, inside the curb.
Which way the ducts goDown through the base pan, or out the side of the cabinet: the covers come off the opening you choose.
Backup heatNone from the factory. GREE allows only its LYQ-08 kits of 6, 9 or 12 kW, listed for all four sizes.
The load on the roof237.0 kg net for the 2- and 3-ton, 285.0 kg for the 4- and 5-ton, on a footprint of 1,120 × 900 mm or 1,120 × 1,120 mm.

The technician’s numbers

AirGreen × GREE

One cabinet on the roof, a local team to connect it.

GREE designs the Rooftop R32 and its heater kits. AirGreen picks the size from the certified figures and installs the unit; the roof curb and the roof waterproofing are coordinated in the quote with a roofer holding the licence that applies.

What GREE brings

Two-stage compressionTwo cylinders and hot gas injection: the technology GREE highlights for cold weather.
Residential and light commercialWhat GREE intends the line for, from 2 to 5 tons, on 208-230 V single phase.
R-32 with a GWP of 675The global warming potential ENERGY STAR lists for its refrigerant.

What AirGreen brings

GREE Elite dealerGREE training completed, priority access to original parts.
Free estimateWe check the roof curb, the ducts and the electrical panel, then pick the size with you.
RBQ 5645-9605-01Licences 15.8, 15.10 and 16. Gas and oil work is done by a licensed partner.

The result: one GREE cabinet on the roof, cold-climate certified, connected to your ducts by a GREE Elite dealer.

See the heat by size Book my free estimate

The GREE shop

The 4 Rooftop R32 sizes, as full product sheets.

Each product sheet gives the AHRI number of its size and its specifications. The certified capacities are in the ladder at the top of the page.

Know before you buy

Day to day: controls and sound.

Two tools drawn from GREE Canada’s manual and brochure, so you come to the visit with the right questions.

24 V thermostat or GREE controller?

The Rooftop R32 takes either one. Tell us what you want to do: the answer comes from GREE Canada’s owner’s manual.

Technician’s corner

Roof, ducts, circuit: the technician’s numbers.

The circuit

208-230 V, 60 Hz, single phase. Per GREE Canada: MCA 40 A and a 40 A breaker for the 2- and 3-ton; MCA 39.1 A and a 45 A breaker for the 4- and 5-ton. The circuit is sized from the unit’s nameplate.

GREE Canada, brochure 032026

Airflow and static pressure

Rated external static pressure of 125 Pa (0.50 in. w.c.) on all four sizes. Range of 0 to 175 Pa for the 2- and 3-ton per the brochure, but 0 to 200 Pa in the 3-ton submittal; 0 to 200 Pa for the 4- and 5-ton. High-speed airflow: 880, 1,120, 1,350 and 1,600 CFM.

Brochure 032026 · 3-ton submittal

The R32 and the minimum room area

For 4.25 kg of R32, the manual sets a minimum room area of 12.7 m² (135.9 ft²); for 5.8 kg, 17.3 m² (185.5 ft²). Calculated for a 2.2 m room height.

RTU R32 owner’s manual

Efficiency

SEER2 of 18.0 on all four sizes; HSPF2 of 8.8, 8.5, 8.5 and 8.3; EER2 of 11.7 on the 2-ton and 11.2 on the other three. COP of 3.40 at 8 °C.

GREE Canada, brochure 032026 · ENERGY STAR

Did you know?

Six Rooftop R32 details you rarely read on a spec sheet.

LogisVert · Hydro-Québec

On the LogisVert list. To be confirmed for a packaged unit.

$1,8602 tons, AHRI 216763049: 15,500 BTU/h rated at −8.3 °C × $120 per 1,000 BTU/h.

$2,6163 tons, AHRI 215866830: 21,800 BTU/h rated at −8.3 °C × $120 per 1,000 BTU/h.

$3,3844 tons, AHRI 216763053: 28,200 BTU/h rated at −8.3 °C × $120 per 1,000 BTU/h.

$4,0805 tons, AHRI 215866831: 34,000 BTU/h rated at −8.3 °C × $120 per 1,000 BTU/h.

Before you count on it

LogisVert guide v1.10 defines the eligible system as an air-to-air split (central) or mini-split (wall-mounted) heat pump, always with an outdoor unit and at least one indoor unit; the word for a packaged unit (monobloc) does not appear in it. It also excludes an air distribution network placed outside the insulation envelope, for example in the attic. So whether a packaged unit qualifies has to be confirmed in writing with Hydro-Québec before it goes into your budget.

All four amounts come from Hydro-Québec’s list dated Oct. 27, 2026 and stay indicative until Hydro-Québec confirms them on your application. Guide formula: $120 per 1,000 BTU/h at −8 °C, ENERGY STAR value, for an ENERGY STAR cold-climate heat pump.

Questions

Roof, cold, LogisVert: your questions on GREE packaged units.

Does LogisVert pay for a packaged rooftop heat pump on a house?

Hydro-Québec’s list of Oct. 27, 2026 carries all four AHRI numbers, with indicative amounts from $1,860 (2 tons) to $4,080 (5 tons). But the program guide describes the eligible system as a split or mini-split, and never names a packaged unit. Until Hydro-Québec confirms it in writing, that amount is a possibility, not a given.

How much heat does it give at −30 °C?

NEEP lists a maximum of 13,200, 17,000, 23,500 and 28,500 BTU/h at −30 °C for the 2-, 3-, 4- and 5-ton. It is also the bottom of GREE’s heating range: colder than that, no figure is published. For comparison, Montréal’s January design temperature is −23 °C under the National Building Code.

Will the Rooftop R32 work with my 24 V thermostat?

Yes. The unit takes a standard 24 V thermostat or the included GREE wired controller, but only one of them, set by switch SA1. With the thermostat, the manual rules out a centralized controller.

Is there electric backup heat?

Not from the factory. GREE allows only its LYQ-08-F (6 kW), LYQ-08-G (9 kW) and LYQ-08-H (12 kW) kits, listed for all four sizes; the manual forbids any other heater. The kit is chosen with the heat-loss calculation.

What has to be ready on the roof?

A roof curb, which GREE does not supply, with the ducts built inside it. The roof has to carry 237.0 kg (2 and 3 tons) or 285.0 kg (4 and 5 tons), on a footprint 1,120 mm wide and 900 or 1,120 mm deep. If the ducts cannot go down through the curb, the cabinet also connects from the side.

Which size do I need?

It follows from the building’s heat-loss calculation. To compare, look at certified values rather than tons: at −8.3 °C, the temperature LogisVert uses, the four sizes are rated 15,500, 21,800, 28,200 and 34,000 BTU/h. The ladder at the top of the page shows the other three temperatures.

AirGreen

A flat roof and ductwork? We go up to look at the curb, then work out the winter with you.

Free estimate at home. Montréal, Laval, Longueuil, South Shore and North Shore.

GREE Elite dealerGREE training completed, priority access to original parts.

RBQ 5645-9605-01Licences 15.8, 15.10 and 16.

4 AHRI numbers, 4 NEEP recordsEach size has its own NEEP record and ENERGY STAR cold-climate record, re-read Oct. 26, 2026.

Sources

Certified capacities: NEEP and ENERGY STAR, by AHRI number. LogisVert amounts: list of Oct. 27, 2026, indicative, eligibility of a packaged unit to be confirmed. Ladder arithmetic: AirGreen. Page updated Oct. 26, 2026.

GREE packaged heat pumps. One cabinet on the roof, connected to your ducts. How much heat at −30 °C? The certified records answer, size by size. LogisVert? The list carries all four sizes; the guide names only split and mini-split systems.