SplitAtlas

LG / Mega R-32

LG Mega 24k R-32 230V Mini-Split

Certified capacity
21,200 BTU/h[2]
SEER2
20 SEER2[2]
Heating floor
5 F[1]
Voltage
208/230V[1]
Install path
Professional install

The LG Mega 24k tops the budget line at 2 tons: SEER2 20, EER2 12.3, HSPF2 8.8, with 22,000 BTU of heat at 47F and 13,800 BTU at 5F on R-32. It is the cheapest way to put 2 tons of current LG capacity on a wall; efficiency is basic, so it is a first-cost play for large budget spaces.

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 Mega R-32 24,000 BTU (230V) mini-split heat pump indoor wall unit and outdoor condenser

Image: HVACDirect

Data completeness: 95%
Last sourced
Jul 23, 2026

SplitAtlas score

7.8 / 10

Methodology
Cooling efficiencyBelow average

(20.0 SEER2) among 24k systems

Heating efficiencyBottom quartile

(8.8 HSPF2) among 24k systems

Cold-weather performanceBottom quartile

(62.7% heat retained at 5F; 5 F heating floor) among 24k systems

NoiseTop quartile

(-48 dBA indoor min / 55 dBA outdoor) among 24k systems

WarrantyAbove average

(10 yr parts / 10 yr compressor) across the catalogue

Feature setBelow average

(4 verified features) across the catalogue

Documentation & partsTop quartile

(8 manuals; spec sheet; 51 error-code rows) across the catalogue

Not evaluated

  • Installation accessibility — not applicable (professional install)N/A

    professional install - DIY-accessibility not applicable

  • Price-to-value — not evaluatedN/A

    This is a professionally installed, quote-only system, so we can't score its price. Get an installed quote to compare real cost.

    Get a quote

Key ratings

Rated cooling

21,200BTU/h[2]

Rated heating

22,000BTU/h[2]

Buyer review snapshot

Install difficulty

Professional install
  • Electrical: 208/230V; MCA 15 A; breaker/fuse 20 A.
  • Line set: connection type not sourced; precharged 24.6 ft; max 65.6 ft.

Alternatives

Availability and price context

  • Verified current price: $1,977.00 at HVACDirect; availability in_stock; checked Jul 23, 2026. Dealer-installation 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
4
Newest source retrieved
Jul 23, 2026

Warranty tiers

Warranty: 5 years parts and 7 years compressor as standard; 10 years parts and compressor if qualified registered installation.

Review methodology

Strengths

  • 22,000 BTU at 47F - substantial capacity at a value price.
  • Current R-32 refrigerant; LG dealer support.

Weaknesses

  • SEER2 20 / HSPF2 8.8 - the lowest seasonal heating efficiency in LG's line; 5F output tapers to 13,800 BTU.
  • Professional installation required; a zoned or higher-tier system often suits a 2-ton load better.

Climate suitability

Minimum heating ambient
5 F[1]
Rated heating at 5F
13,800 BTU/h[2]
Rated heating at 17F
13,500 BTU/h[2]
Rated heating at 47F
22,000 BTU/h[2]

Specifications

Show
Manufacturer
LG
Brand
LG
Product line
Mega R-32
Model number
KNSAC241A indoor / KUSAC241A outdoor
Indoor unit model
KNSAC241A
Outdoor unit model
KUSAC241A
Number of zones
1
Max indoor units
not published
Rated cooling capacity
21,200 BTU/h[2]
Rated heating capacity
22,000 BTU/h[2]
Voltage
208/230V[1]
MCA
15 A[1]
Maximum fuse or breaker size
20 A[1]
Breaker needed
not published
SEER2
20 SEER2[2]
EER2
12.3 EER2[2]
HSPF2 (Region 4)
8.8 HSPF2[2]
HSPF2 (Region 5)
not published
COP
not published
COP at 47F
not published
COP at 5F
1.8 COP[2]
Minimum outdoor heating temperature
5 F[1]
Minimum outdoor cooling temperature
14 F[1]
Maximum outdoor temperature
118 F[1]
Indoor noise range
cooling 32-48; heating 38-48 dB(A)[1]
Outdoor noise rating
55 dBA[1]
Indoor weight
26 lb[1]
Outdoor weight
92.6 lb[1]
Refrigerant
R-32[2]
Refrigerant charge
38.88 oz[1]
Manufacturer coverage
not published
Line-set size
1/4 in liquid / 1/2 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
65.6 ft[1]
Max line set per indoor
not published
Maximum elevation difference
32.8 ft[1]
Max height between indoor units
not published
Wi-Fi support
supported[1]
Energy Star status
ENERGY STAR certified[3]
AHRI certification number
214931163[2]
Warranty
Standard: 5 yr parts / 7 yr compressor (standard coverage); Best case: 10 yr parts / 10 yr compressor (qualified registered installation). 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: $1,977.00
Available retailers
HVACDirect
Manual links
AHRI Directory public detail record 214931163, ENERGY STAR exact-match query for KUSAC241A/KNSAC241A, LG Mega R-32 engineering manual, LG Mega R-32 installation manual, LG HVAC API product metadata KSSAC241A, HVACDirect exact product page KSSAC241A, KSSAC241A LG Mega R-32 submittal, LG R32 Residential / Light Commercial Systems Warranty Card
Specification sheet
KSSAC241A LG Mega 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: $1,977

Electrical requirements

Show
Voltage
not published
Voltage range
208/230V[1]
Phase
1[1]
Frequency
60 Hz[1]
MCA
15 A[1]
Breaker needed
not published
Maximum breaker size
20 A[1]
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
1/4 in[1]
Suction line
1/2 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
65.6 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
26 lb[1]
Outdoor weight
92.6 lb[1]
Drain size
not published

Related systems and guides

Frequently asked questions

Can I install the LG Mega R-32 24,000 BTU (230V) myself, or do I need a pro?
LG Mega R-32 24,000 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 Mega R-32 24,000 BTU (230V) keep heating in a cold winter?
The manufacturer publishes 13,800 BTU/h of heating output at 5F. Rated heating operation extends down to 5 F. Certified heating efficiency is 8.8 HSPF2. Match those numbers against your climate's design temperature - in cold regions, output at 5F matters far more than the nameplate capacity measured at 47F.
What electrical circuit does the LG Mega R-32 24,000 BTU (230V) need?
Published electrical requirements: 208/230V voltage, 15 A minimum circuit ampacity, and 20 A maximum breaker or fuse sizing. 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 65.6 ft, and the included line set comes pre-charged for 24.6 ft. Longer runs than the included set allows typically mean added refrigerant and a pro visit, so measure the planned routing before ordering.
What warranty does the LG Mega R-32 24,000 BTU (230V) carry?
The manufacturer publishes these warranty tiers: Standard: 5 yr parts / 7 yr compressor (standard coverage); Best case: 10 yr parts / 10 yr compressor (qualified registered installation). 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.: KSSAC241A 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 214931163Sourced - 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. LG Electronics U.S.A., Inc.: LG R32 Residential / Light Commercial Systems Warranty CardSourced - manufacturer technical document

    Covers Best-case compressor warranty, Best-case warranty conditions, Best-case parts warranty, Legacy compressor warranty value, Legacy warranty value, Standard compressor warranty and more

Last updated

Jul 23, 2026