The LG DUAL Inverter LP1419IVSM is a portable A/C unit designed for medium-sized and large rooms. It has an advertised coverage of 450 ft² (42 m²). It features a dual-inverter compressor technology but has a basic single-hose design. It comes with a remote control, and you can also operate it remotely using the companion app. The latter also offers integration with Amazon Alexa and Google Assistant devices for making voice commands.
Our Verdict
The LG DUAL Inverter LP1419IVSM is a satisfactory choice for large rooms. Its capacity is generally sufficient for spaces like playrooms, larger bedrooms, and offices, but it'll struggle to quickly cool large living rooms or open-concept apartments. Its single-hose design is also very inefficient, causing it to consume more energy than some dual-hose alternatives with similar or greater capacity. On the upside, it runs very quietly for the most part, and it won't be a disturbance if you have it running while you're entertaining company or simply watching TV.
Quiet overall operation.
Does a good job of maintaining desired temperature and humidity levels.
Overall efficiency is limited due to single-hose design.
Will struggle to cool especially large spaces.
The LG DUAL Inverter LP1419IVSM is a satisfactory choice for cooling small rooms. It's a very bulky unit, which can make it a bit of an obstacle in really tight bedrooms or when stowing it away in smaller closets when it isn't in use. While it does a great job of maintaining ambient conditions in undersized spaces, thanks to its inverter compressor, its single-hose design severely impacts its overall efficiency. This makes it a far more power-hungry unit versus most dual-hose models with inverter compressors.
Quiet overall operation.
Does a good job of maintaining desired temperature and humidity levels.
Capacity is sufficient for moderately sized rooms.
Overall efficiency is limited due to single-hose design.
Bulky dimensions can make it a challenge to fit in tight rooms.
The LG DUAL Inverter LP1419IVSM's capacity is decent. It can cool large bedrooms, offices, and even smaller living rooms, but it will struggle with larger spaces, especially if you want to cool them quickly.
Capacity is sufficient for moderately sized rooms.
Will struggle to cool especially large spaces.
The LG DUAL Inverter LP1419IVSM's overall efficiency is mediocre. It does use an inverter-style compressor, which is typically more efficient than a simpler fixed-speed unit. That said, much of that efficiency gain is lost due to its single-hose design; instead of a dedicated intake hose, it draws in indoor air to cool the running compressor. This generates negative air pressure and encourages warm outside air to be sucked into the room that it's cooling, increasing energy consumption.
Overall efficiency is limited due to single-hose design.
The LG DUAL Inverter LP1419IVSM does a good job of maintaining stable ambient conditions. Its dual-inverter compressor runs very steadily while maintaining the setpoint, so you won't experience any unpleasant swings in temperature or perceived humidity.
Does a good job of maintaining desired temperature and humidity levels.
The LG DUAL Inverter LP1419IVSM is impressively quiet. Like many inverter units, it can occasionally put out a high-pitched chattering noise, but it isn't too distracting overall. During normal operation, it's quiet enough to be masked by most household noise sources.
Quiet overall operation.
The LG DUAL Inverter LP1419IVSM is a rather bulky appliance. Its body is wide and tall, and you might have trouble finding space to store it in warmer months. On the upside, while its single-hose design limits efficiency and performance, it does result in an easier setup process than similarly priced dual-hose models.
Bulky dimensions can make it a challenge to fit in tight rooms.
Performance Usages
Changelog
- Updated Sep 15, 2026: We've updated this review to Test Bench 1.1. which changes how we measure and score performance as a whole. The Capacity, Efficiency When Cooling, Efficiency When Maintaining Temperature, Temperature Stability, and Humidity Stability boxes have been updated. If you're looking for further details, see the Changelog.
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Updated Jun 10, 2026:
We've added a link to the Whynter NEX ARC-1030WN in the Efficiency When Maintaining Temperature section of the review to provide an alternative that consumes less power once your desired setpoint is reached.
- Updated Jun 06, 2025: Review published.
Check Price
Differences Between Sizes And Variants
The LG DUAL Inverter LP1419IVSM is only available in one color variant: 'White.' For those interested, here's the product label.
Let us know in the comments if you come across another variant of this air conditioner.
Popular Air Conditioner Comparisons
The LG DUAL Inverter LP1419IVSM is a high-end portable A/C designed for medium to large spaces. It's a feature-packed unit with a unique dual-inverter compressor, which is nominally designed to allow more efficient operation across a broader range of speeds than a single-inverter compressor. Granted, this unit is very effective in maintaining the desired temperature and a consistent ambient humidity level, but it's hamstrung by its inefficient single-hose design. This puts it in a very awkward position for an A/C at this high a price point, and it's simply outperformed in every metric by dual-hose alternatives like the Midea Duo MAP12S1TBL or the Whynter NEX ARC-1230WN.
If you're looking for alternatives, see our recommendations for the best portable air conditioners, the best bedroom air conditioners, and the best air conditioners.
The Whynter NEX ARC-1230WN outclasses the LG DUAL Inverter LP1419IVSM in every respect. The Whynter's dual-hose design gives it a massive advantage in terms of cooling efficiency, allowing it to cool a room much faster and with much lower energy consumption. The LG is a little more compact, but it's still a fairly bulky appliance.
The Midea Duo MAP12S1TBL is simply better overall than the LG DUAL Inverter LP1419IVSM. The Midea's dual-hose design gives it a major advantage in efficiency over the LG, allowing it to cool a comparably sized room much faster while consuming less energy. Its two-in-one hose design also means that it's only marginally bulkier than the single-hose LG.
The LG DUAL Inverter LP1419IVSM is a more energy-efficient option than the Hisense AP1022HW1GD. Its inverter compressor can maintain a lower speed rather than cycling on and off, minimizing temperature and humidity swings once it's reached your desired setpoint. That said, its upfront energy cost is rather high, even more so than that of the non-inverter Hisense.
The Whynter NEX ARC-1030WN is a more versatile, efficient portable air conditioner than the LG DUAL Inverter LP1419IVSM. The Whynter features a dual-hose design that allows it to cool the compressor using outdoor air. This results in much lower energy consumption than the single-hose LG, and it'll cool a comparably sized room much faster. While the LG does take up slightly less room, it's only by a small margin, thanks to the Whynter's two-in-one design.
Test Results
This unit's capacity is decent overall. It's well-suited for use in bedrooms or offices, but it simply lacks the capacity to cool larger spaces, such as living rooms or open-concept areas. A window unit with comparable capacity, like the Friedrich Chill Premier Inverter CCV08A10A, will cool a comparably-sized space in considerably less time.
It's worth noting that this unit's cooling capacity falls far below its advertised capacity, by a higher-than-average margin. During our investigation into this discrepancy, we discovered that LG requested a waiver from the US Department of Energy (DOE) regarding their own testing methodology.
This unit's efficiency while cooling a room is poor. As a single-hose unit, it draws air from the room it's trying to cool, creating negative pressure and letting warm outside air seep back in, forcing the unit to work even harder to cool the space. As a result, this unit's energy demands are much higher than those of dual-hose units with separate intake hoses, such as the Whynter NEX ARC-1230WN.
The LG DUAL Inverter LP1419IVSM's efficiency while maintaining the setpoint is adequate. Its dual-inverter compressor modulates slightly while maintaining temperature, yet it's still more efficient than a fixed-speed compressor. However, much of that efficiency gain is lost from its inefficient single-hose design. If you want an A/C with a similar capacity that'll have less of an impact on your utility bill, the dual-hose Whynter NEX ARC-1030WN is worth a look.
The LG DUAL Inverter LP1419IVSM does a good job of maintaining your desired temperature. Its compressor modulation isn't severe enough to meaningfully affect your room's temperature.
The LG DUAL Inverter LP1419IVSM does a very good job of keeping ambient humidity levels stable while maintaining a setpoint. Its compressor runs relatively consistently while maintaining a setpoint, so there are no large swings in humidity during operation. Consequently, you shouldn't experience any noticeable swings in humidity, even in more humid climates.
High-pitched operating noise from the compressor is a common complaint for inverter A/C units. However, as stated in this model's user manual, this noise is completely normal once the unit enters a cooling cycle.
This A/C unit occasionally exhibits noise spikes that climb to a very noticeable 65.5 dBA, though these bursts last less than a second and aren't too disruptive.
As befits a high-end portable A/C, the LG DUAL Inverter LP1419IVSM is packed with features. You can operate the unit remotely with the LG ThinQ app, which also supports Amazon Alexa and Google Assistant devices for making voice commands. Beyond that, you can toggle between four different fan speed settings.