The catch
Frigidaire 12,000 BTU Inverter Window Room Air Conditioner with Wi-Fi
Weighing 51 pounds, it makes for a two-person install for many buyers.
Side by side
Frigidaire FHWW125WE1 vs LG LW1022IVSM Compared: Frigidaire brings more capacity, and LG fits a narrower or lower opening
Quick verdict
Frigidaire is right when your adjusted cooling load is near 12,000 BTU and the room is around 550 square feet. LG is right when 10,000 BTU will do and your window opening is too narrow or too low for the larger Frigidaire.
Before you buy
Why, and what it costs you
Cooling capacity: how big the gap is
The published “Cooling capacity” figure is 20% higher on Frigidaire 12,000 BTU Inverter Window Room Air Conditioner with Wi-Fi: 12,000 BTU, against 10,000 BTU on LG 10,000 BTU Dual Inverter Smart Window Air Conditioner.
Where this comes from
This sets how much room cooling load the unit can reasonably handle. The percentage is worked out from the lower published figure.
The catch
LG 10,000 BTU Dual Inverter Smart Window Air Conditioner
Installing it takes more effort because of the deep cabinet and the roughly 10,000 BTU chassis.
Frigidaire 12,000 BTU Inverter Window Room Air Conditioner with Wi-Fi
- Why pick it
- Cool a room of around 550 square feet
- The catch
- Weighing 51 pounds, it makes for a two-person install for many buyers.
LG 10,000 BTU Dual Inverter Smart Window Air Conditioner
- Why pick it
- Cool a room of roughly 450 square feet
- Use Alexa or Google to control it
- The catch
- Installing it takes more effort because of the deep cabinet and the roughly 10,000 BTU chassis.
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What this page compares
Frigidaire FHWW125WE1 and LG LW1022IVSM go head to head on cooling capacity, window fit, compressor and controls.
This one comes down to cooling capacity and window fit first, then to the limits of your own setup.
Day to day
How each one fits your routine
A sunny shared office can make the step up to Frigidaire worthwhile
Take an illustrative 450-square-foot office with strong sun and three regular occupants. The simple sizing guide arrives at 11,600 BTU, which is closer to Frigidaire’s 12,000 rating than to LG’s 10,000. A shaded room with fewer occupants can lead to a different choice. Use the example to test your own assumptions. It does not set a rule for every 450-square-foot room.
Where this comes from
For 400 to 450 sq ft with an 8 ft ceiling, ENERGY STAR starts at 10,000 BTU. 10,000 × 1.10 + 600 = 11,600 BTU. Treat it as an initial sizing screen.
A model with higher output may not pass the window check
For Frigidaire, the window has to be at least 25 inches wide and 15.5 inches high. LG’s documented minimums are 22 and 13 inches. So a narrow opening can leave only LG installable, even though Frigidaire has the better capacity for the room. If LG is undersized for the heat load, look for another installation solution and do not force a larger unit into the frame.
Where this comes from
Minimum opening for Frigidaire: 25 W by 15.5 H inches. Minimum opening for LG: 22 W by 13 H inches. The maximum width is 36 inches for both.
Which one fits
Pick the situations that sound like you
Cool a room of around 550 square feet
Frigidaire 12,000 BTU Inverter Window Room Air Conditioner with Wi-Fi lists “12,000 BTU per hour” for cooling capacity, while LG 10,000 BTU Dual Inverter Smart Window Air Conditioner lists “10,000 BTU per hour”. This sets how much room cooling load the unit can reasonably handle.
- Frigidaire 12,000 BTU Inverter Window Room Air Conditioner with Wi-Fi
- Better fit
- LG 10,000 BTU Dual Inverter Smart Window Air Conditioner
- Depends
Cool a room of roughly 450 square feet
Use about 10,000 BTU to start, before adjustments.
- Frigidaire 12,000 BTU Inverter Window Room Air Conditioner with Wi-Fi
- Depends
- LG 10,000 BTU Dual Inverter Smart Window Air Conditioner
- Better fit
Run it through Alexa or Google
Pick a documented voice-platform integration.
- Frigidaire 12,000 BTU Inverter Window Room Air Conditioner with Wi-Fi
- Depends
- LG 10,000 BTU Dual Inverter Smart Window Air Conditioner
- Better fit
Go into an opening narrower than 23 inches
Frigidaire 12,000 BTU Inverter Window Room Air Conditioner with Wi-Fi lists “25 to 36 in sash. 15.5 in minimum opening” for window fit, while LG 10,000 BTU Dual Inverter Smart Window Air Conditioner lists “22 to 36 in sash. 13 in minimum opening”. Measure your space and mounting points first. This can be a hard limit on fit.
- Frigidaire 12,000 BTU Inverter Window Room Air Conditioner with Wi-Fi
- Depends
- LG 10,000 BTU Dual Inverter Smart Window Air Conditioner
- Better fit
Use a window with a low opening
Sort out units by exact minimum opening height.
- Frigidaire 12,000 BTU Inverter Window Room Air Conditioner with Wi-Fi
- Depends
- LG 10,000 BTU Dual Inverter Smart Window Air Conditioner
- Better fit
Cool a bedroom and avoid loud cycling
Both models list “Variable-speed inverter. 115V” for compressor and controls. Both models show the same result for “Compressor and controls”, so this row won't decide between them.
- Frigidaire 12,000 BTU Inverter Window Room Air Conditioner with Wi-Fi
- Similar
- LG 10,000 BTU Dual Inverter Smart Window Air Conditioner
- Similar
In practice
Differences you will notice
Cooling capacity: how big the gap is
The published “Cooling capacity” figure is 20% higher on Frigidaire 12,000 BTU Inverter Window Room Air Conditioner with Wi-Fi: 12,000 BTU, against 10,000 BTU on LG 10,000 BTU Dual Inverter Smart Window Air Conditioner.
How we worked this out
This sets how much room cooling load the unit can reasonably handle. The percentage is worked out from the lower published figure.
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.
Frigidaire 12,000 BTU Inverter Window Room Air Conditioner with Wi-Fi
Check this one yourself12,000 BTU on 115V. Fits window openings 25 to 36 inches wide and at least 15.5 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
Frigidaire, FHWW125WE1
12,000 BTU Inverter Window Room Air Conditioner with Wi-Fi
A 12,000 BTU per hour cooler whose published combined energy efficiency ratio is 15.
- Best for
- Cool a room of around 550 square feet
Facts we checked
- Cooling capacity: 12,000 BTU per hour
- Window fit: 25 to 36 in sash. 15.5 in minimum opening
- Compressor and controls: Variable-speed inverter. 115V
- Cooling capacity of 12,000 BTU
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
- Cool a room of roughly 450 square feet
Facts we checked
- Cooling capacity: 10,000 BTU per hour
- Window fit: 22 to 36 in sash. 13 in minimum opening
- Compressor and controls: Variable-speed inverter. 115V
- Cooling capacity of 10,000 BTU
Spec by spec
Where they really differ
| Spec | Frigidaire 12,000 BTU Inverter Window Room Air Conditioner with Wi-Fi | LG 10,000 BTU Dual Inverter Smart Window Air Conditioner | In practice |
|---|---|---|---|
| Cooling capacity | 12,000 BTU per hour | 10,000 BTU per hour | How much room cooling load the unit can reasonably handle depends on this. |
| Window fit | 25 to 36 in sash. 15.5 in minimum opening | 22 to 36 in sash. 13 in minimum opening | Fit can be a hard limit, so measure your space and mounting points before anything else. |
| Compressor and controls | Variable-speed inverter. 115V | Variable-speed inverter. 115V | Both models show the same result for “Compressor and controls”, so this row won't decide between them. |
Trade-offs
What each pick costs you
With Frigidaire 12,000 BTU Inverter Window Room Air Conditioner with Wi-Fi
- Your window must measure at least 25 inches wide by 15.5 inches high.
With LG 10,000 BTU Dual Inverter Smart Window Air Conditioner
- A U-shaped or saddle model keeps more of the view than this one.
Decision guide
How to decide
Go with Frigidaire for an adjusted cooling load near 12,000 BTU in a room around 550 square feet. Go with LG if 10,000 BTU is enough but the window opening is too narrow or low to take the bigger Frigidaire.
The main difference
By the manufacturers' ratings, Frigidaire gives you 2,000 more BTU and covers 100 more square feet.
What the specs change
Inverter compressors, Wi-Fi, 115V power and a published CEER of 15 are common to both.
The compromise
Frigidaire suits 25 to 36 inch windows with a 15.5 inch opening, while LG begins at 22 inches wide and 13 inches high.
What this page can’t tell you
- Sizing is based on an 8-foot ceiling.
- Unusual heat sources and open plans need a closer assessment.
- Window support needs vary from one model to the next.
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 |
|---|---|---|---|
| Frigidaire 12,000 BTU Inverter Window Room Air Conditioner with Wi-Fi |
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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.
Frigidaire 12,000 BTU Inverter Window Room Air Conditioner with Wi-Fi
Cool a room of around 550 square feet
See price & reviews on AmazonLG 10,000 BTU Dual Inverter Smart Window Air Conditioner
Cool a room of roughly 450 square feet
See price & reviews on AmazonEach link opens in a new tab.
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