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Ducted

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LG Ducted A-Coil

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LG System Models, Indoor Units - Single Zone Ducted Repair, maintenance, and replacement planning
LG A-Coil product image

Technical Specifications

Product Specs

  • Brand: LG Air Conditioning Technologies
  • Product type: Ducted
  • Product group: System Models, Indoor Units - Single Zone
  • LG category: System Models, Indoor Units
  • LG class: Single Zone
  • LG line: Residential/Light Commercial
  • Model records in LG catalog: 42
  • Example model numbers: KSSMA18AA, KSSMA18BA, KSSMA24BA, KSSMA25BA, KSSMA30BA, KSSMA36BA, KSSMA36CA, KSSMA42CA, KSSMA48CA, KSSMA48DA, KSSMB18AA, KSSMB18BA, KSSMB24BA, KSSMB30BA, KSSMB36BA, KSSMB36CA
  • Catalog publish date: 01/21/2026
  • Model or series: A-Coil
  • Equipment type: Ducted
  • System role: Indoor evaporator coil for a matched split HVAC system
  • Application: Residential, light-commercial, or zone-control comfort applications
  • Compatibility check: Match with compatible outdoor equipment, controls, airflow, voltage, and capacity before service or replacement.
  • Verified source: lghvac.com

Useful troubleshooting details

  • Confirm the exact LG model number, serial number, indoor/outdoor unit relationship, controller type, and connected zone count before scheduling.
  • Share photos of the indoor unit, outdoor unit, disconnect, controller, filter access, condensate routing, and any visible error code.
  • Note whether the concern is no cooling, no heat, weak airflow, water leak, noise, icing, control issue, short cycling, or uneven comfort.

Service planning

How GreenFlow handles A-Coil requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

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Our Happy Customers

Michele Z.

Andrey was professional, prompt, smart, thorough and exceedingly pleasant. We are likely switching our current HVAC company to Green Flow.

Jack B.

Andrey always does a great job.

Anna G.

They quickly identified the issue with the heating system and fixed it efficiently. He explained everything clearly and made sure I understood what was going on. Very professional and reliable, extremely satisfied with the service.

Melissa S.

The repair person came quickly and was super efficient and polite, and showed me what to do next time. He gave my dog a quick pay and was off again.

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