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See its heat at −35°C
LG · R-32 wall unit · updated October 27, 2026

LG ARTCOOL Deluxe: the R-32 wall unit that heats down to −35°C

LG Canada calls it the ARTCOOL Deluxe with LGRED° Core. In 9,000 and 12,000 BTU/h it keeps 100% of its rated heat at −25°C per its brochure, and the NEEP list still gives it 7,700 BTU/h and 9,100 BTU/h at −35°C: colder than the extreme minimum recorded at Montréal-Trudeau from 1991 to 2020 (−31.8°C).

See its heat in deep coldSee all 2 products
The Deluxe plate

Two sizes, five numbers

Sizes
9,000 and 12,000 BTU/h
Heats down to
−35°C
At −25°C
100% of rated heat
SEER2
27.0 and 25.5
Indicative LogisVert
$1,008 (12,000)

Sources: LG Canada ARTCOOL Deluxe brochure (2025), NEEP (October 14, 2026), Hydro-Québec LogisVert list of October 27, 2026.

Deep cold

Down to −35°C: what the Deluxe keeps

LG’s published heating range runs from −35°C to 18.3°C. Slide the temperature: down to −25°C the Deluxe delivers at least its rated output; at −35°C, 70% of it is left.

The Deluxe’s heat, degree by degree

−35°C
Deluxe 12,000NEEP ratings and LG brochure
9,100 BTU/h
Deluxe 9,000NEEP ratings and LG brochure
7,700 BTU/h
Deluxe 12,000LG lab test, not a rating
9,319 BTU/h

Maximum output in BTU/h: LG Canada ARTCOOL Deluxe brochure (2025) from −8°C to −25°C, NEEP at −35°C (−31°F). The third row is an LG lab test on the 12,000: LG’s own measurement, not a certified rating.

−31.8°Cextreme minimum at Montréal-Trudeau, 1991-2020
0.21day a year below −30°C

Environment Canada 1991-2020 normals: 12 days a year below −20°C, 0.21 day below −30°C. The Deluxe’s range covers everything the station recorded in thirty years.

Heating at −35°C does not mean being enough for any room: at that temperature the 12,000 delivers 9,100 BTU/h. We compare that figure with your room’s heat loss during the visit, before choosing the size.

BTU/h and share of rated heating capacity (11,000 and 13,000 BTU/h), as the LG Canada brochure prints them; −35°C row: NEEP, October 14, 2026.
Maximum heat9,00012,000
At −8°C13,730 · 125%16,820 · 129%
At −15°C12,000 · 109%14,700 · 113%
At −20°C11,400 · 104%14,000 · 108%
At −25°C11,000 · 100%13,000 · 100%
At −35°C (NEEP)7,700 · COP 1.369,100 · COP 1.33
The spec plates

The spec plate for each size

Values as LG, NEEP, ENERGY STAR and Hydro-Québec publish them, with a link to each product page. Installation, the same for both sizes, is described further down.

ARTCOOL Deluxe 9,000 BTU/h

Spec plate · KSSAL091A
ENERGY STAR Cold Climate

Identification

System
KSSAL091A
Indoor unit
KNSAL091A
Outdoor unit
KUSAL091A
AHRI certificate
216368959
ENERGY STAR
Yes, Cold Climate
LogisVert
not on the list (under 12,000 BTU/h)

Efficiency

SEER2
27.0
EER2
15.8
HSPF2 (region IV)
13.5
HSPF2 (region V, cold)
12.0
Rated cooling at 35°C
9,000 BTU/h
Minimum output (modulation)
3,070 BTU/h

Heating

Rated heating at 8.3°C
11,000 BTU/h
Rated heating at −8°C
7,000 BTU/h
Max. at −15°C
12,000 BTU/h
Max. at −25°C
11,000 BTU/h
Max. at −35°C
7,700 BTU/h
LG Canada brochure PO_LG_R32_ArtCool_Mirror_Deluxe_04_25_CA_EN; NEEP and ENERGY STAR, October 14, 2026; Hydro-Québec, October 27, 2026.See the product page

ARTCOOL Deluxe 12,000 BTU/h

Spec plate · KSSAL121A
ENERGY STAR Cold Climate

Identification

System
KSSAL121A
Indoor unit
KNSAL121A
Outdoor unit
KUSAL121A
AHRI certificate
216368960
ENERGY STAR
Yes, Cold Climate
LogisVert
$1,008

Efficiency

SEER2
25.5
EER2
13.8
HSPF2 (region IV)
11.2
HSPF2 (region V, cold)
8.4
Rated cooling at 35°C
12,000 BTU/h
Minimum output (modulation)
3,070 BTU/h

Heating

Rated heating at 8.3°C
13,000 BTU/h
Rated heating at −8°C
8,400 BTU/h
Max. at −15°C
14,700 BTU/h
Max. at −25°C
13,000 BTU/h
Max. at −35°C
9,100 BTU/h
LG Canada brochure PO_LG_R32_ArtCool_Mirror_Deluxe_04_25_CA_EN; NEEP and ENERGY STAR, October 14, 2026; Hydro-Québec, October 27, 2026.See the product page
Same capacity

What the Deluxe gains, and what it asks

Against the R-32 Mirror and DUALCOOL of the same size, the cold is paid for in line-set length and modulation. Against the R-410A DUALCOOL PRESTIGE, certified SEER2, EER2 and HSPF2 (region IV) are the same, and the Deluxe goes ten degrees lower.

What the Deluxe gains

  • −35°C instead of −20°C as the heating limit, versus the Mirror and DUALCOOL of the same size.
  • 14,000 BTU/h at −20°C on the 12,000, versus 8,010 BTU/h; on the 9,000, 11,400 BTU/h versus 7,810 BTU/h.
  • SEER2 of 25.5 on the 12,000 versus 22.5, and HSPF2 of 12.0 in region V on the 9,000, the highest of our LG wall units.

What it asks in return

  • 20 m of line set at most, versus 25 m for the Mirror and DUALCOOL 9,000 and 12,000: the shortest in LG’s wall range.
  • Minimum output of 3,070 BTU/h, versus 1,023 BTU/h: the Deluxe cannot turn down as far on mild days.
  • A 45 kg outdoor unit (99.2 lb), versus 31 kg (68.8 lb) for the Mirror and DUALCOOL.
  • $1,008 of LogisVert on the 12,000, versus $1,020, because Hydro-Québec pays on the output at −8°C.
NEEP and ENERGY STAR, October 14, 2026; LG Canada ARTCOOL Deluxe brochure (2025); Hydro-Québec LogisVert list of October 27, 2026. LG does not present the Deluxe as the DUALCOOL PRESTIGE’s replacement; the numbers can still be set side by side.
Same capacityDeluxe 9,000DUALCOOL PRESTIGE 9,000Deluxe 12,000DUALCOOL PRESTIGE 12,000
RefrigerantR-32R-410AR-32R-410A
SEER2 / EER227.0 / 15.827.0 / 15.825.5 / 13.825.5 / 13.8
HSPF2 region IV / V13.5 / 12.013.5 / 11.711.2 / 8.411.2 / 8.3
Max. at −15°C12,00011,00014,70013,600
Max. at −25°C11,0008,03013,0009,640
Heats down to−35°C−25°C−35°C−25°C
LogisVertnot listednot listed$1,008$996

Every LG wall series side by side, at the same capacity, is on the LG wall-unit page.

LogisVert

Only one of the two sizes qualifies

$1,008Deluxe 12,000, AHRI 216368960, list of October 27, 2026
$0Deluxe 9,000, not on the list

The 12,000’s math: 8,400 BTU/h of certified rated output at −8°C, × $120 per 1,000 BTU/h, the ENERGY STAR Cold Climate rate = $1,008.

The 9,000 is Cold Climate certified, but Hydro-Québec requires at least 12,000 BTU/h of rated cooling capacity: it gets no amount, despite its −35°C limit.

Indicative amount, to be confirmed by Hydro-Québec when you apply. The program rules are explained once on the LG page.

What LG builds in

What LG Canada’s brochure describes, and what installation involves

In LG Canada’s literature

  • LGRED° Core, LG’s name for the Deluxe’s deep-cold heating, and a twin-rotary inverter compressor.
  • A built-in occupancy sensor and a dual vane to direct the air.
  • Soft Air, Auto Clean+ and Freeze Cleaning (through the LG ThinQ® app only).
  • ENERGY STAR Cold Climate certified on March 4, 2025; LG Canada brochure dated 2025.

At installation

  • Line set of 20 m at most (65.6 ft), with 12 m of rise; refrigerant pre-charged for 12.5 m, then 0.16 oz per foot.
  • Electrical protection: MCA of 15 A, MOP of 20 A.
  • An 89.5 cm wide indoor unit weighing 11 kg; a 45 kg outdoor unit.
  • Sound: 42 down to 21 dB(A) indoors depending on fan speed, 48 and 50 dB(A) outdoors in cooling and heating.

None of our published projects names the ARTCOOL Deluxe yet. Our LG wall-unit jobs, by city, are on the LG page.

See our LG projects
Frequently asked questions

What people ask us most

Does the ARTCOOL Deluxe really heat at −35°C?
Yes: LG publishes a heating range from −35°C to 18.3°C, and the NEEP list gives a maximum output at −35°C of 7,700 BTU/h for the 9,000 and 9,100 BTU/h for the 12,000.
Do I still need backup heat with a Deluxe?
It depends on the room’s heat loss. Down to −25°C the Deluxe delivers its rated output (11,000 BTU/h or 13,000 BTU/h); at −35°C, 70% of it. We work it out during the visit.
Why does the Deluxe 9,000 get no LogisVert amount?
Hydro-Québec requires at least 12,000 BTU/h of rated cooling capacity. The 9,000 is Cold Climate certified but too small for the program.
Where does the $1,008 for the 12,000 come from?
From its certified rated output at −8°C: 8,400 BTU/h, at $120 per 1,000 BTU/h. Hydro-Québec does not count how the unit holds up below −8°C.
Is a 20 m line set enough?
For a head mounted close to the outdoor unit, yes. If the room is far from an outside wall, the Mirror and DUALCOOL take 25 m at 9,000 and 12,000; we measure the run during the visit.
Deluxe or R-410A DUALCOOL PRESTIGE: which one?
Their certified SEER2, EER2 and HSPF2 (region IV) are identical at the same capacity. The Deluxe heats down to −35°C instead of −25°C, and keeps 13,000 BTU/h at −25°C on the 12,000, versus 9,640 BTU/h.
AirGreen · Air conditioning & heating

Your ARTCOOL Deluxe, sized for your room and installed by AirGreen.

We come see your home, choose the series and size with you, and hand you a clear quote with the AHRI number and the indicative LogisVert amount when the unit qualifies.

Book my free estimate514 316-2973

Hydro-Québec does not solicit anyone by phone or door to door for LogisVert. If a call “from Hydro-Québec” offers you a heat pump, hang up.

RBQ 5645-9605-01Subclasses 15.8, 15.10 and 16
Free estimateAt home, no obligation
LogisVert checkedBy AHRI number, in Hydro-Québec’s tool
Showroom1370 Joliot-Curie Street, Suite 712, Boucherville

Sources checked

  1. LG Electronics Canada, “LG ARTCOOL™ Deluxe with LGRED° Core” brochure, PO_LG_R32_ArtCool_Mirror_Deluxe_04_25_CA_EN, and its French edition …_CA_FR (2025).
  2. LG, LG lab test on the KSSAL121A (13,250 BTU/h at −25°C, 9,319 BTU/h at −35°C), quoted as LG presents it, with no certification value.
  3. NEEP ccASHP list, AHRI 216368959 and 216368960, and ENERGY STAR Certified Air-Source Heat Pumps (dataset w7cv-9xjt), read October 14, 2026.
  4. Hydro-Québec, LogisVert list of October 27, 2026 and participation guide version 1.10 (September 15, 2026).
  5. Environment and Climate Change Canada, 1991-2020 normals, Montréal-Trudeau airport, ID 7025250.

LogisVert amounts are indicative: Hydro-Québec confirms them when you apply. LG’s warranty is explained once on the LG page. Prices on quote.

The ARTCOOL Deluxe shop

Both sizes, right below.

9,000 or 12,000 BTU/h: each product page lists the KNSAL indoor model, the KUSAL outdoor model and the AHRI number.

LG