SplitAtlas

LG / ARTCOOL Premier R-32

LG ARTCOOL Premier 18k R-32 230V Mini-Split

Certified capacity
18,000 BTU/h[2]
SEER2
24 SEER2[2]
Heating floor
-13 F[1]
Voltage
208/230V[1]
Install path
Professional install

The LG Art Cool Premier 18k brings the designer line to 1.5 tons: SEER2 24, EER2 14.4, HSPF2 11 on R-32, with 21,600 BTU of heat at 47F and 13,100 BTU at 17F. Its certified 5F rating conflicts with LG's own submittal, which caps 5F output at 14,780 BTU, so the deep-cold figure is unresolved. Strong efficiency for a large room behind a designer head.

1 zoneProfessional installCurrent

Refrigerant generation

R-32 - current-generation refrigerant

This system's warranty depends on licensed installation — get quotes from installers in your area.

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Error Codes
LG ARTCOOL Premier R-32 18,000 BTU (230V)

Image: LG

Data completeness: 95%
Last sourced
Jul 23, 2026

SplitAtlas score

not yet rated - data incomplete

Methodology
  • no scoring run is available

Key ratings

Rated cooling

18,000BTU/h[2]

Rated heating

21,600BTU/h[2]

Best-fit use cases

A large living room or open area wanting efficient cooling and shoulder-season heat with LG's designer styling. Confirm 5F capacity with LG before making it the only heat source in a cold climate.

Buyer review snapshot

Best for / skip if

Best for

  • High-efficiency shortlists; SEER2 is 24.

Install difficulty

Professional install
  • Electrical: 208/230V; MCA 17 A; breaker/fuse 19 A maximum (no standard breaker size fits; check the nameplate with your electrician).
  • Line set: connection type not sourced; precharged 24.6 ft; max 164 ft.

Availability and price context

  • Last seen at HVACDirect on Jul 23, 2026: $2,888.00. Open the listing for today's price. Warranty condition: The online source must be expressly authorized by LG; the system must also satisfy LG's qualified-system installation terms.

Purchase channel policy

LG allows the online-purchase path only when the online source is expressly authorized by LG; an online purchase from a non-authorized source voids the limited warranty.

Warranty impact
The limited warranty is void and LG has no liability when the system is purchased online from a source not expressly authorized by LG.
Installation condition
The online source must be expressly authorized by LG; the system must also satisfy LG's qualified-system installation terms.
Authorized channel
Expressly authorized LG source with qualified installation by a trained, licensed HVAC contractor under LG warranty terms.

Buying online can keep warranty coverage only when the seller is expressly authorized by LG; confirm that status and the qualified installation path before purchase.

Compare online-purchase warranty rules by brand

Source: LG Electronics U.S.A., Inc.: LG R32 Residential / Light Commercial Systems Warranty Card; retrieved Aug 15, 2026.

Source date

Model data sourced
Jul 23, 2026
Page reviewed
Jul 23, 2026
Source-backed records
5
Newest source retrieved
Sep 13, 2026

Warranty tiers

Base
5 yr parts / 7 yr compressor - standard coverage
Registered
10 yr parts / 10 yr compressor - registration within 60 days of startup, by an installer with current LG training and an HVAC license

The score uses Registered. Additional published terms are shown for reference and not counted in the score.

Review methodology

Model context

Install path
This is professional-install equipment; the listed price is for the equipment, so add installation labor. The Buyer review snapshot covers the brand's rules on online purchases.

Strengths

  • 21,600 BTU of heat at 47F - ample for a large room in mild weather.
  • SEER2 24 / HSPF2 11 - efficient for 1.5 tons.
  • Designer Premier head; current R-32 refrigerant.

Weaknesses

  • Designer premium over the High-Efficiency line at the same capacity.

Climate suitability

Minimum heating ambient
-13 F[1]
Certified heating at 5F
not published[4]disputed
Maximum heating at 5F (manufacturer)
14,780 BTU/h[1]
Rated heating at 17F
13,100 BTU/h[2]
Rated heating at 47F
21,600 BTU/h[2]

Specifications

Show
Manufacturer
LG
Brand
LG
Product line
ARTCOOL Premier R-32
Model number
KNSAL181A indoor / KUSAL181A outdoor
Indoor unit model
KNSAL181A
Outdoor unit model
KUSAL181A
Number of zones
1
Max indoor units
not published
Rated cooling capacity
18,000 BTU/h[2]
Rated heating capacity
21,600 BTU/h[2]
Voltage
208/230V[1]
MCA
17 A[1]
Maximum fuse or breaker size
19 A[1]

No standard breaker size fits between this unit's published limits. Check the nameplate with your electrician.

Breaker needed
not published
SEER2
24 SEER2[2]
EER2
14.4 EER2[2]
HSPF2 (Region 4)
11 HSPF2[2]
HSPF2 (Region 5)
not published
COP
not published
COP at 47F
not published
COP at 5F
1.9 COP[2]
Minimum outdoor heating temperature
-13 F[1]
Minimum outdoor cooling temperature
14 F[1]
Maximum outdoor temperature
118 F[1]
Indoor noise range
cooling 30-49; heating 40-49 dB(A)[1]
Outdoor noise rating
56 dBA[1]
Indoor weight
37.7 lb[1]
Outdoor weight
135.4 lb[1]
Refrigerant
R-32[2]
Refrigerant charge
65.28 oz[1]
Manufacturer coverage
not published
Line-set size
3/8 in liquid / 5/8 in suction
Included line-set length
LG publishes field-supplied flared line sizes, standard/pre-charge length, and line limits; no included consumer line-set length is published for the professional system.
Maximum line-set length
164 ft[1]
Max line set per indoor
not published
Maximum elevation difference
98.4 ft[1]
Max height between indoor units
not published
Wi-Fi support
supported[1]
Energy Star status
ENERGY STAR certified[3]
AHRI certification number
215828275[2]
Warranty
Base: 5 yr parts / 7 yr compressor (standard coverage); Registered: 10 yr parts / 10 yr compressor (registration within 60 days of startup, by an installer with current LG training and an HVAC license). Score uses Registered.. Standard 5-year parts and 7-year compressor coverage; qualified registered installations extend to 10 years total parts and compressor coverage.
Install path
Professional install
Retail price
last seen at HVACDirect on Jul 23, 2026: $2,888.00
Available retailers
HVACDirect
Manual links
AHRI Directory public detail record 215828275, ENERGY STAR exact-match query for KUSAL181A/KNSAL181A, LG ARTCOOL Premier R-32 engineering manual, LG ARTCOOL Premier R-32 installation manual, LG HVAC API product metadata KSSAL181A, HVACDirect exact product page KSSAL181A, KSSAL181A LG ARTCOOL Premier R-32 submittal, LG R32 Residential / Light Commercial Systems Warranty Card
Specification sheet
KSSAL181A LG ARTCOOL Premier R-32 submittal
Last sourced date
Jul 23, 2026

Retail purchase context

Dealer-installation warranty note

Buying online can keep warranty coverage only when the seller is expressly authorized by LG; confirm that status and the qualified installation path before purchase.

Installation condition: The online source must be expressly authorized by LG; the system must also satisfy LG's qualified-system installation terms.

Dealer path: Expressly authorized LG source with qualified installation by a trained, licensed HVAC contractor under LG warranty terms.

Some retailer links may earn us a commission at no extra cost; paid relationships never change scores or recommendations. Affiliate disclosure

Paid link

Dealer-installation warranty note

Buying online can keep warranty coverage only when the seller is expressly authorized by LG; confirm that status and the qualified installation path before purchase.

Check price at HVACDirect

Last seen at HVACDirect on Jul 23, 2026: $2,888

Electrical requirements

Show
Voltage
not published
Voltage range
208/230V[1]
Phase
1[1]
Frequency
60 Hz[1]
MCA
17 A[1]
Breaker needed
not published
Maximum breaker size
19 A[1]

No standard breaker size fits between this unit's published limits. Check the nameplate with your electrician.

Maximum fuse size
not published
Maximum cooling current
not published
Maximum heating current
not published
Manufacturer wire notes
14 AWG minimum four-conductor indoor-outdoor connection cable; field supplied[1]

Installation considerations

Show
Liquid line
3/8 in[1]
Suction line
5/8 in[1]
Line connection type
not published
Precharged length
24.6 ft[1]
Included line-set length
LG publishes field-supplied flared line sizes, standard/pre-charge length, and line limits; no included consumer line-set length is published for the professional system.
Maximum line-set length
164 ft[1]
Max line set per indoor
not published
Max height between indoor units
not published
Indoor dimensions
not published
Outdoor dimensions
not published
Indoor weight
37.7 lb[1]
Outdoor weight
135.4 lb[1]
Drain size
not published

Related systems and guides

Frequently asked questions

Can I install the LG ARTCOOL Premier R-32 18,000 BTU (230V) myself, or do I need a pro?
LG ARTCOOL Premier R-32 18,000 BTU (230V) is built for professional installation: the line set must be flared, evacuated, and charged, which requires EPA-certified refrigerant handling. Installing it outside the manufacturer's requirements can void the warranty, so budget for a qualified HVAC installer.
Will the LG ARTCOOL Premier R-32 18,000 BTU (230V) keep heating in a cold winter?
Rated heating operation extends down to -13 F. Certified heating efficiency is 11 HSPF2. Match that published heating floor against your climate's design temperature - below the low-ambient rating, output can fall off or the system can pause to protect itself.
What electrical circuit does the LG ARTCOOL Premier R-32 18,000 BTU (230V) need?
Published electrical requirements: 208/230V voltage, 17 A minimum circuit ampacity, and 19 A maximum breaker or fuse sizing. No standard breaker size fits between this unit's published limits. Check the nameplate with your electrician. Confirm the final circuit against the unit nameplate and local code with a licensed electrician.
How far can the outdoor unit be from the indoor head?
The published maximum line-set length is 164 ft. The outdoor unit's factory charge covers up to 24.6 ft of line; longer runs need added refrigerant. Measure the planned routing before ordering.
What warranty does the LG ARTCOOL Premier R-32 18,000 BTU (230V) carry?
The manufacturer publishes these warranty tiers: Base: 5 yr parts / 7 yr compressor (standard coverage); Registered: 10 yr parts / 10 yr compressor (registration within 60 days of startup, by an installer with current LG training and an HVAC license). Score uses Registered.. Registration requirements and proof of qualified installation commonly affect coverage, so read the warranty terms before install day.

Data sources

Show
  1. LG Electronics U.S.A., Inc.: KSSAL181A submittalSourced - manufacturer technical document

    Covers Frequency, electrical_spec.guaranteed_voltage_range, Maximum breaker size, Minimum circuit ampacity, Phase, Manufacturer wire notes and more

  2. AHRI: AHRI Directory public detail record 215828275Sourced - AHRI directory

    Covers AHRI certification number, Rated cooling capacity, COP at 5F, EER2, Rated heating capacity, HSPF2 (Region 4) and more

  3. ENERGY STAR: ENERGY STAR exact-match record for KUSAC091A/KNSAC091ASourced - secondary source

    Covers Energy Star status

  4. Air-Conditioning, Heating, and Refrigeration Institute: AHRI Directory public detail record 215828275Sourced - AHRI directory

    Covers Certified heating at 5F

  5. LG Electronics U.S.A., Inc.: LG R32 Residential / Light Commercial Systems Warranty CardSourced - manufacturer technical document

    Covers Legacy compressor warranty value, Legacy warranty value, Registered compressor warranty, Registered warranty conditions, Registered parts warranty, Base compressor warranty and more

Last updated

Jul 23, 2026