Complete solutions designed by our experts for optimal performance.
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Why this brand stands out for our shoppers
Iconic & Trusted
One of America's most recognizable brands with extremely good service support coast to coast.
Top Rated Favorite
Consumer Reports standouts across laundry and refrigeration that shoppers consistently love.
Low Returns
Fan-favorite reliability keeps return rates low across LG's broad appliance lineup.
LG's devotion to providing efficient ductless solutions can be seen across their entire catalog. This indoor unit is a part of LG's low-profile wall mounted Mega product line. With a variety of operating modes and helpful functions, this well-rounded mini split indoor unit is an easy choice for any system.
Air Flow Options
This unit gives you two options for automating air flow. In Swing Mode, the unit will rotate through two air flow directions to ensure consistent comfort in every corner of your room.
Quiet Design
The unit can operate at volumes as low as 32 dB thanks to a combination of cutting edge components. LG utilizes a cross flow fan design that reduces noise levels by limiting the surface pressure of air flow.
Self-Cleaning Coil
The unit features a self-cleaning heat exchanger coil that automatically removes dirt and moisture. This helps to prevent unpleasant odors and to combat the formation of mold.
Automated Operation
Auto operation mode continually compares your zone's current and desired temperatures and uses that data to intelligently adjust the unit's fan speed and refrigerant flow to provide optimal comfort.
Dehumidify
LG's indoor units include a dehumidifying operation mode. In this mode, the unit's internal sensors monitor temperature and modify the set point and fan speed to remove moisture from the air.
Improved Air Quality
The unit indoor unit uses a dual filtration system to keep your air clean. A washable anti-fungal filter is the first line of defense against dust and bacteria.
Hot-Start
When the Hot-Start function is enabled, the unit's fan will not engage until the outdoor condenser has had the opportunity to warm the indoor coil. This prevents the unit from blowing cold air during heating operations.
*Note Outdoor Unit Required to Operate
Matching Products
Why Buy LG
KNSAC181A
Mega Wall Mounted Indoor Unit
Frequently Asked Questions
Q: How do I use the built-in Wi-Fi with the LG ThinQ app?
A: To connect your unit to Wi-Fi using the LG ThinQ app:
Q: What does the "Hot-Start" function do?
A: In heating mode, the Hot-Start feature prevents cold air from blowing by delaying the indoor fan until the coil has warmed up, ensuring warm air is delivered from the start.
Q: How often should the air filter be cleaned?
A: It’s recommended to clean the air filter every two weeks. Dirty filters can reduce system performance and negatively affect indoor air quality.
Q: How do I clean the air filter?
A: Follow these steps:
Q: How does the self-cleaning coil work on the
KNSAC181A?
A: The unit features an automatic self-cleaning function that removes dirt and moisture from the heat exchanger coil. This helps prevent mold growth and eliminates unpleasant odors, promoting cleaner airflow.
| Width | |
| Width | 39 13/48" |
| Depth | |
| Depth | 8 13/48" |
| Height | |
| Height | 13 29/48" |
LG's devotion to providing efficient ductless solutions can be seen across their entire catalog. This indoor unit is a part of LG's low-profile wall mounted Mega product line. With a variety of operating modes and helpful functions, this well-rounded mini split indoor unit is an easy choice for any system.
Air Flow Options
This unit gives you two options for automating air flow. In Swing Mode, the unit will rotate through two air flow directions to ensure consistent comfort in every corner of your room.
Quiet Design
The unit can operate at volumes as low as 32 dB thanks to a combination of cutting edge components. LG utilizes a cross flow fan design that reduces noise levels by limiting the surface pressure of air flow.
Self-Cleaning Coil
The unit features a self-cleaning heat exchanger coil that automatically removes dirt and moisture. This helps to prevent unpleasant odors and to combat the formation of mold.
Automated Operation
Auto operation mode continually compares your zone's current and desired temperatures and uses that data to intelligently adjust the unit's fan speed and refrigerant flow to provide optimal comfort.
Dehumidify
LG's indoor units include a dehumidifying operation mode. In this mode, the unit's internal sensors monitor temperature and modify the set point and fan speed to remove moisture from the air.
Improved Air Quality
The unit indoor unit uses a dual filtration system to keep your air clean. A washable anti-fungal filter is the first line of defense against dust and bacteria.
Hot-Start
When the Hot-Start function is enabled, the unit's fan will not engage until the outdoor condenser has had the opportunity to warm the indoor coil. This prevents the unit from blowing cold air during heating operations.
*Note Outdoor Unit Required to Operate
Matching Products
Why Buy LG
KNSAC181A
Mega Wall Mounted Indoor Unit
Frequently Asked Questions
Q: How do I use the built-in Wi-Fi with the LG ThinQ app?
A: To connect your unit to Wi-Fi using the LG ThinQ app:
Q: What does the "Hot-Start" function do?
A: In heating mode, the Hot-Start feature prevents cold air from blowing by delaying the indoor fan until the coil has warmed up, ensuring warm air is delivered from the start.
Q: How often should the air filter be cleaned?
A: It’s recommended to clean the air filter every two weeks. Dirty filters can reduce system performance and negatively affect indoor air quality.
Q: How do I clean the air filter?
A: Follow these steps:
Q: How does the self-cleaning coil work on the
KNSAC181A?
A: The unit features an automatic self-cleaning function that removes dirt and moisture from the heat exchanger coil. This helps prevent mold growth and eliminates unpleasant odors, promoting cleaner airflow.
| Width | |
| Width | 39 13/48" |
| Depth | |
| Depth | 8 13/48" |
| Height | |
| Height | 13 29/48" |
5 Year Parts, 7 Years on Compressor
Returns accepted within 30 days of delivery. Item must be in original packaging and unused condition.
Split your purchase into easy payments over time—interest-free or with simple interest depending on your plan and eligibility.
We offer free in-home delivery to most serviceable zip codes for orders over $799.
Free Standard Installation
Free 1 Year Extended Warranty
Bonus Rewards
Manufacturer rebates, instant savings, and product discounts — all in one place.
Choose a 3- or 5-year protection plan—get 50% back if you don't use it.
If you find a lower price on an identical item from a local competitor or select online retailers, we will match it.
