The catch
LG 14,000 BTU Dual Inverter Window Air Conditioner
85 lb of weight along with larger window minimums.
Side by side
LG LW1522IVSM vs LW1022IVSM: 1522 brings 40% more cooling, but needs more opening space and 22 lb more to lift
Quick verdict
You get 40 percent more cooling capacity from the LW1522IVSM, but it needs a wider, taller opening and weighs 22 lb more. The LW1022IVSM is the fit for a smaller load and a narrower window.
Before you buy
Why, and what it costs you
Capacity goes up 40 percent
LW1522IVSM has 4000 BTU more than LW1022IVSM.
Where this comes from
(14000 - 10000) divided by 10000 equals 40 percent. That is maximum rated cooling capacity and no reason to oversize a room.
The catch
LG 10,000 BTU Dual Inverter Smart Window Air Conditioner
Rated capacity of just 10000 BTU.
LG 14,000 BTU Dual Inverter Window Air Conditioner
- Why pick it
- Roughly 14000 BTU is what your room-load calculation comes to.
- The wider 27 to 39-inch installation range works with your window.
- The catch
- 85 lb of weight along with larger window minimums.
LG 10,000 BTU Dual Inverter Smart Window Air Conditioner
- Why pick it
- 10000 BTU is the right load for the room.
- Either a narrower opening or an easier seasonal lift is what you need.
- The catch
- Rated capacity of just 10000 BTU.
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What this page compares
Before you order the larger chassis, see how LG's 14,000 and 10,000 BTU dual-inverter window units differ on cooling capacity, window fit, weight and efficiency.
You get 40 percent more cooling capacity from the LW1522IVSM, but it needs a wider, taller opening and weighs 22 lb more. The LW1022IVSM is the fit for a smaller load and a narrower window.
Day to day
How each one fits your routine
The upgrade brings 40% more cooling and a different window requirement
For a room with a larger cooling load, LG’s 14,000 BTU model is a real step up from the 10,000 model. It is also a different installation. Minimum window width goes up five inches and opening height three. Do not assume that swapping one LG for the other is a simple drop-in.
Where this comes from
14,000 ÷ 10,000 = 1.4. Minimum openings go from 22 W by 13 H inches to 27 W by 16 H inches. The larger model comes in at 85 lb.
A long, wide room calls for more than the floor-area figure in the Amazon title
The Amazon title for the larger model and LG’s current room guide show different floor-area numbers. Its 14,000 BTU cooling rating is the more dependable place to start sizing. Under its basic assumptions, ENERGY STAR puts a 600-square-foot room in the 14,000 BTU band, though a high ceiling or unusually strong sun can still change the requirement.
Where this comes from
ENERGY STAR assigns 14,000 BTU to its 550 to 700 sq ft band with an 8 ft ceiling. LG’s current guide lists 700 sq ft, and the selected Amazon title advertises 800.
Which one fits
Pick the situations that sound like you
The window measures 24 inches across
At least 27 inches is required for the larger model.
- LG 14,000 BTU Dual Inverter Window Air Conditioner
- Not suitable
- LG 10,000 BTU Dual Inverter Smart Window Air Conditioner
- Better fit
The opening is just 14 inches high
The minimum heights come to 16 and 13 inches.
- LG 14,000 BTU Dual Inverter Window Air Conditioner
- Not suitable
- LG 10,000 BTU Dual Inverter Smart Window Air Conditioner
- Better fit
The load calls for at least 14000 BTU
The rating for LW1022IVSM is 10000 BTU.
- LG 14,000 BTU Dual Inverter Window Air Conditioner
- Better fit
- LG 10,000 BTU Dual Inverter Smart Window Air Conditioner
- Not suitable
You want to use the ThinQ app and voice
ThinQ connected support is listed for both models.
- LG 14,000 BTU Dual Inverter Window Air Conditioner
- Similar
- LG 10,000 BTU Dual Inverter Smart Window Air Conditioner
- Similar
In practice
Differences you will notice
Capacity goes up 40 percent
LW1522IVSM has 4000 BTU more than LW1022IVSM.
How we worked this out
(14000 - 10000) divided by 10000 equals 40 percent. That is maximum rated cooling capacity and no reason to oversize a room.
The larger unit weighs about 35 percent more
The 85 lb chassis weighs 22 lb more.
How we worked this out
(85 - 63) divided by 63 is 34.9 percent. Plan the mounting and safe lifting before delivery.
With a 24-inch window, the pair is decided
LW1022IVSM alone is within the documented width range.
How we worked this out
24 is inside 22 to 36 and under the larger unit's 27-inch minimum. Other installation requirements still apply.
Plug in your numbers
Does either unit have the cooling and window fit you need?
This checks hard limits only. Personal preferences are left out of the math.
LG 14,000 BTU Dual Inverter Window Air Conditioner
Check this one yourself14,000 BTU on 115V. Fits window openings 27 to 39 inches wide and at least 16 inches tall. Your room works out to 8,000 BTU. It beats the target, but check yourself that it is not oversized.
LG 10,000 BTU Dual Inverter Smart Window Air Conditioner
Check this one yourself10,000 BTU on 115V. Fits window openings 22 to 36 inches wide and at least 13 inches tall. Your room works out to 8,000 BTU. It beats the target, but check yourself that it is not oversized.
The cooling target uses the standard room-size method, adjusted for sun, extra people and kitchen heat. The window check uses the maker’s published limits.
Option A
LG, LW1522IVSM
14,000 BTU Dual Inverter Window Air Conditioner
This 115-volt dual-inverter window AC is made for larger rooms and has ThinQ remote control and a slide-out chassis. Be ready for a substantial 85-pound installation weight.
- Best for
- Roughly 14000 BTU is what your room-load calculation comes to.
Facts we checked
- Capacity for cooling: 14000 BTU
- Width of the window: 27 to 39 inches
- Opening height at minimum: 16 inches
- Product's weight: 85 lb
Option B
LG, LW1022IVSM
10,000 BTU Dual Inverter Smart Window Air Conditioner
With a published combined energy efficiency ratio of 15, it cools at 10,000 BTU per hour.
- Best for
- 10000 BTU is the right load for the room.
Facts we checked
- Capacity for cooling: 10000 BTU
- Width of the window: 22 to 36 inches
- Opening height at minimum: 13 inches
- Product's weight: 63 lb
Spec by spec
Where they really differ
| Spec | LG 14,000 BTU Dual Inverter Window Air Conditioner | LG 10,000 BTU Dual Inverter Smart Window Air Conditioner | In practice |
|---|---|---|---|
| Cooling capacity | 14000 BTU | 10000 BTU | Base the size on the room's real heat load and ignore the largest number. |
| Window width | 27 to 39 inches | 22 to 36 inches | Only the smaller model's stated range covers a 24-inch opening. |
| Minimum opening height | 16 inches | 13 inches | Three more inches of raised sash are needed for the larger unit. |
| Product weight | 85 lb | 63 lb | With the larger chassis, the installation job involves 22 lb more. |
| CEER | 14.7 | 15.0 | The published combined efficiency rating is slightly higher on the smaller model. |
Trade-offs
What each pick costs you
With LG 14,000 BTU Dual Inverter Window Air Conditioner
- Extra capacity helps only if the room needs it.
With LG 10,000 BTU Dual Inverter Smart Window Air Conditioner
- Documented width tops out at 36 inches.
Change of plan
When the answer changes
The window you measured is under 27 inches wide
Go with LG 10,000 BTU Dual Inverter Smart Window Air Conditioner. The smaller model alone can meet the stated range, as long as the window is at least 22 inches wide.
Your room-load assessment calls for 14000 BTU
Go with LG 14,000 BTU Dual Inverter Window Air Conditioner. That rated capacity comes from the larger unit, provided the installation fits.
The opening falls under the minimum dimensions of both models
Neither model fits. Pick a unit made for the window you have.
Decision guide
How to decide
The LW1522IVSM offers 40 percent more cooling capacity, at the price of a wider, taller opening and 22 lb of extra weight. The LW1022IVSM is the choice for a smaller load and a narrower window.
Cooling load comes first
Required capacity depends on sun exposure, ceiling height, people and room layout. A larger inverter can modulate, yet sizing and moisture control still have to be considered.
Take stock of the window opening
At the mounting location, measure the available width and the height with the sash raised. Decorative trim, storm windows and screens can eat into the usable space.
Plan the seasonal lift
When the unit gets moved twice a year, an extra 22 lb counts. Line up the support, the help with lifting and the route to storage before you pick the larger chassis for capacity alone.
What this page can’t tell you
- No independent test covered cooling speed or how evenly the room temperature holds. Manufacturer area guides give a starting point. They do not replace a heat-load calculation.
By the numbers
What the data shows
What we found across the window air conditioners we compare, plus the checked facts behind each finding.
Show the facts and the math
| Product | Needs it meets | Facts we checked | Sources |
|---|---|---|---|
| LG 14,000 BTU Dual Inverter Window Air Conditioner |
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| LG 10,000 BTU Dual Inverter Smart Window Air Conditioner |
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Ready to buy
See today’s price and what owners say
Open either model on Amazon for the current price, customer reviews and delivery options.
LG 14,000 BTU Dual Inverter Window Air Conditioner
Roughly 14000 BTU is what your room-load calculation comes to.
See price & reviews on AmazonLG 10,000 BTU Dual Inverter Smart Window Air Conditioner
10000 BTU is the right load for the room.
See price & reviews on AmazonEach link opens in a new tab.
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