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GREE Multi+ Ultra · 3 rooms · Updated Oct. 27, 2026

GREE Multi+ Ultra triple-zone heat pumps. Three units on one outdoor unit. GREE Comfort publishes each room’s heat for 39 combinations: try yours.

3 three-room Multi+ Ultra systems, from 24,000 to 42,000 BTU/h. Three bedrooms, or a living room, a bedroom and an office. With three units, the size outside decides each one’s share. The line left NEEP, ENERGY STAR and the LogisVert list in October 2026, but its submittals still give that share, trio by trio.

Try my three sizesWhat the lists sayBook my free estimate
13,333 BTU/hPer room when three 18,000 units share the 42,000, per GREE Comfort. On the 36,000, the same trio gets 12,000 per room.
18Three-unit combinations rated on the 42,000, against 16 on the 36,000 and 5 on the 24,000: the 24,000 submittal rates neither two 18,000 units nor a 24,000 for three rooms.
6,316 BTU/hWhat the 9,000 room gets in 9,000 + 24,000 + 24,000 on the 42,000. A small unit next to two large ones gets less than its size: the tool shows by how much.
  • 3three-room systems on this page
  • 24,000–42,000BTU/h, nominal
  • 39trios rated by GREE Comfort: 5, 16 and 18 by size
  • 49 ftof height difference allowed on all three sizes
AirGreen × GREEGREE Elite dealerMulti+ Ultra, three rooms39 trios rated by GREE ComfortEach room’s share, before the installFree estimate at home
Each room’s share

Three units, three sizes outside: try your trio.

GREE Comfort rates 5 trios on the 24,000, 16 on the 36,000 and 18 on the 42,000, with each room’s heat. If yours is missing for a size, the column says so.

Your trio on the 24,000, 36,000 and 42,000

One unit size per room. Green frame: each room gets at least its size; dashed: the trio is not rated on that size.

Three sizes, one status

What the lists said in mid-October, and what they say now.

For the three-room 24,000, 36,000 and 42,000, the change comes down to three dates.

Oct. 25, 2026ENERGY STAR publishes a dataset without any MULTIU model; the one of Oct. 14 still listed all three sizes as “cold climate”.ENERGY STAR, w7cv-9xjt
Oct. 26, 2026NEEP returns nothing for 203989086, 204288780 and 204288781, three records still “Live” on Oct. 15.NEEP
Oct. 27, 2026Hydro-Québec’s LogisVert list no longer carries them; the one of Oct. 15 did.Hydro-Québec

On Oct. 26, 2026, GREE Comfort still lists the line’s revision D brochure, submittals and AHRI certificates, with no status statement. No NEEP or ENERGY STAR figure for these systems is shown on this page: their records were removed.

Cousins, not twins

For three rooms, the Multi+ Ultra and the Free Match Extreme do not give the same figures.

Same number of units per size, same capacity range at 24,000. For the rest, each document has its own values, and we keep each with its line.

Published valueMulti+ Ultra · GREE ComfortFree Match Extreme · GREE Canada
COP, 24,0003.93.60
COP, 36,0003.53.21
Cooling, 36,000 (range)36,000 (8,871 – 40,000)36,000 (8,871 – 35,826)
Heating, 36,000 (range)36,000 (8,871 – 42,514)36,000 (8,871 – 44,356)
Height difference, 24,00049 ft8 m (26.2 ft)
Heat per room, three units5, 16 and 18 rated triosNo public table

Same capacity range at 24,000 in both documents: 22,000 (7,500 – 30,000) cooling, 26,000 (7,500 – 31,000) heating. Sources: GREE Comfort catalog and submittals; GREE Canada, document No. 062024.

On R-32, today

The same trios on the Free Match M R32, certified and on the LogisVert list.

For these trios, GREE Canada’s R-32 line gives the same share per room on the 24,000 and 36,000, a little more on the 42,000. The real difference for you: certification and the LogisVert amount.

Trio and sizeMulti+ Ultra · GREE ComfortFree Match M R32 · GREE Canada
3 × 12,000 on the 24,0008,000 each8,000 each
3 × 18,000 on the 36,00012,000 each12,000 each
3 × 18,000 on the 42,00013,333 each14,000 each
9,000 + 24,000 + 24,000 on the 42,0006,316 · 16,842 · 16,8426,632 · 17,684 · 17,684
LogisVert, list of Oct. 27, 2026No amount$2,832 to $5,340

Per-room heat at rated conditions: GREE Comfort submittals of May 15, 2023; GREE Canada’s Free Match M R32 combination tables (document No. 092026). Indicative amounts.

The GREE triple-zone on R-32Multi+ Ultra, 2 roomsFree Match Extreme, 3 rooms
AirGreen × GREE

Three rooms on a Multi+ Ultra: the sharing, then the install.

GREE Comfort publishes what each unit gets. AirGreen calculates what each room needs, picks the trio and installs the system.

GREE

What GREE brings

  • 39 rated triosHeating and cooling for each room, from 9,000 + 9,000 + 9,000 to 18,000 + 18,000 + 24,000.
  • Ducted units possibleSlim ducts, cassettes and consoles follow the same size rule as wall units in GREE Comfort’s chart.
  • 49 ft of height differenceOn the 24,000, 36,000 and 42,000, with 82 ft to the farthest unit.
AirGreen

What AirGreen brings

  • GREE Elite dealerGREE training completed, priority access to original parts.
  • Free estimateWe calculate the heat loss of all three rooms, then look for the trio that covers it in GREE Comfort’s tables.
  • 7 Multi+ Ultra jobsThe count includes every size of the line; each job is published with its photos on our installations blog (Oct. 14, 2026).
  • RBQ 5645-9605-01Licences 15.8, 15.10 and 16. Gas, oil and hot-water heating work is done by a licensed partner.

The result: three rooms that each get a share known in advance, on a Multi+ Ultra installed by a GREE Elite dealer.

Try my three sizesBook my free estimate
The GREE shop

All 3 three-room Multi+ Ultra systems, right below.

Each product sheet gives the outdoor unit model and its specifications; each room’s share, per GREE Comfort, is in the tool at the top.

GREE
Know before you buy

Three line sets, one unit outside: lengths and sound.

Two tools in feet and dB(A), GREE Comfort’s units. They help you prepare for the visit; the measuring happens at your home.

Three line sets, three limits

Pick the size, then enter in feet the length to each of the three rooms and the largest height difference. The tool adds up the three runs.

Technician’s corner

Three rooms on a Multi+ Ultra: the electrician’s and installer’s figures.

The circuit

Rated current 26, 32 and 32 A; MCA 23, 36 and 38 A; MOCP 40, 60 and 60 A for the 24,000, 36,000 and 42,000. GREE Comfort’s quick reference guide prints an MCA of 36 A for the 42,000: the nameplate decides. The electrical work is done under our RBQ 16 licence.

GREE Comfort, 2023 catalog

Three runs within the pre-charged length

On the 24,000, 98 ft are pre-charged: three 30 ft runs, 90 ft, need nothing added. On the 36,000 and 42,000, 131 ft are. Beyond that, GREE Comfort calls for 0.2 oz of R-410A per foot.

GREE Comfort, 2023 catalog

Non-ducted, ducted, mixed

Each size has three AHRI numbers: 203989086, 204630893 and 204664396 (24,000); 204288780, 204630894 and 204664397 (36,000); 204288781, 204630895 and 204664398 (42,000). The ducted and mixed numbers were not checked against the lists.

GREE Comfort, submittals

One ducted unit among the three

As a mixed system, GREE Comfort rates the 24,000 SEER2 18, EER2 10.5, HSPF2 8.6 and COP 3.4; the 36,000 and 42,000, 15, 8.3, 8 and 3.5. All carry the ENERGY STAR mark “NO”.

GREE Comfort, 2023 catalog
Did you know?

Six things to know about the three-room Multi+ Ultra. Flip the cards.

LogisVert · Hydro-Québec

LogisVert and the three-room Multi+ Ultra: where does the list stand?

$0No amount for AHRI numbers 203989086, 204288780 and 204288781: Hydro-Québec’s list dated Oct. 27, 2026 no longer carries them.
Oct. 15 list$2,148, $3,480 and $3,600: their amounts on the Oct. 15, 2026 list, in size order. They no longer apply.
$2,832What the Oct. 27 list gives the 24,000 Free Match M R32, on R-32; $4,320 for the 36,000 and $5,340 for the 42,000.
$120 · $50The rate per 1,000 BTU/h at −8 °C, with or without ENERGY STAR’s “cold climate” designation. A heat pump missing from the list gets nothing.

Hydro-Québec list dated Oct. 27, 2026; indicative amounts, confirmed by Hydro-Québec on application. For the LogisVert rules, see the GREE multi-zone page.

Questions

What people ask us about the three-room Multi+ Ultra.

Is a three-room Multi+ Ultra still LogisVert-eligible?
No. The ENERGY STAR dataset of Oct. 25, 2026 no longer carries the 24,000, 36,000 or 42,000; NEEP no longer finds them on Oct. 26, and the LogisVert list of Oct. 27 does not contain them. Without an ENERGY STAR listing, Hydro-Québec gives no amount.
How much heat does each room get with three units?
GREE Comfort rates it combination by combination: three 9,000 units on the 24,000 get 8,000 BTU/h each; three 12,000s on the 36,000, 12,000 each; three 18,000s on the 42,000, 13,333 each. These are capacities at rated conditions, not deep-cold figures.
The 24,000, 36,000 or 42,000 for three rooms?
The 24,000 takes three units, its maximum, and its submittal rates only five trios, none with a 24,000 unit. The 36,000 (16 trios) and 42,000 (18 trios) keep more heat per room and take several 18,000 units as well as 24,000 units.
Can one of the three be a ducted unit?
Yes, per GREE Comfort’s chart, with the same size rule as wall units: 18,000 from the 24,000, 24,000 from the 36,000. A mixed system has lower SEER2, EER2 and HSPF2 ratings than a non-ducted one; the technician’s corner gives the mixed system’s ratings.
Does the Free Match Extreme give the same figures?
Not always. At 24,000, the capacity ranges match, but the COP (3.9 versus 3.60) and the height difference (49 ft versus 8 m) differ; at 36,000, the ranges themselves differ. GREE Canada publishes no per-room heat for the Extreme, and we do not carry these trios over to it. See the three-room Free Match Extreme page.
How far can the three units be?
Per GREE Comfort: 230 ft in total on the 24,000, 246 ft on the 36,000 and 42,000, 82 ft to the farthest unit and 49 ft of height difference. The “Three line sets” tool checks your lengths.
AirGreen

Three rooms on a Multi+ Ultra? We calculate each one, then pick the trio that covers it.

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

Contact us514-316-2973
GREE Elite dealerGREE training completed, priority access to original parts.
7 Multi+ Ultra jobsPublished with photos on our installations blog, counted on Oct. 14, 2026.
RBQ 5645-9605-01Licences 15.8, 15.10 and 16.
39 trios, in plain viewEvery share of heat on this page is the one in GREE Comfort’s submittals of May 15, 2023.
Sources

Capacities and amounts: indicative, to be confirmed in the quote. Tool calculations: AirGreen, from the published values above. Page updated Oct. 27, 2026; NEEP records, ENERGY STAR and the LogisVert list checked again that day.