LGLW2422IVSM

Window AC

DOE certified cooling

23,500BTU/hDOE test

Window · CEER 14.5 · 2,570 W

Cools rooms up to 1,400 sq ft

DOE data as of 2026-11-03DOE record

Does it fit your room? ENERGY STAR sizing chart

LG LW2422IVSM: certified to DOE at 23,500 BTU/h cooling, CEER 14.5, 2,570 W, window unit. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model LW2422IVSM. A listing with any of these numbers is this unit.

Every model number filed under basic model LW2422IVSM, DOE data as of 2026-11-03
Model numberFiled by
LW2422IVSM (DOE basic model)LG
318461627LG

How much does the LG LW2422IVSM cost to run?

About 47¢ an hour of cooling, or $112.01 for 30 days at 8 hours a day (less once the compressor cycles off).

DOE's record lists 2,570 W of electrical input while cooling. Electricity at 18.16¢/kWh, the US residential average for August 2026 (EIA Electric Power Monthly, table 5.6.A). Each 1¢/kWh you pay above or below 18.16¢ moves the 8 hour figure by 21¢.

How does the LG LW2422IVSM rank in its DOE class?

Its DOE class (window ACs, 20,000 to 27,999 BTU/h) has 13 models certified to DOE. Its CEER of 14.5 is 1st of the 13, and 5% above their median of 13.8.

Window ACs for 1,000 sq ft (0 with a listing)

Among 13 window ACs, 20,000 to 27,999 BTU/h

Cooling (BTU/h)23,500

Higher than 1 of 13.

23,00024,000 BTU/h

Efficiency (CEER)14.5

The highest in the class.

13.814.5

DOE record

Cooling

Cooling capacity
23,500 BTU/h
Efficiency (CEER)
14.5 Btu/Wh
Power input
2,570 W

Build

Mount
Window
Heat pump
No

Record

DOE basic model
LW2422IVSM
DOE class
(5a) Without reverse cycle, with louvered sides, and 20,000 to 27,999 Btu/h
Brands on the filings
1
In DOE's list since
2026-11-02first snapshot we hold

Questions

How big a room does it cool?
About 1,400 sq ft. ENERGY STAR's sizing chart calls for 23,000 BTU/h in rooms up to 1,400 sq ft. A sunny room, a kitchen or a high ceiling needs more.
How much does the LG LW2422IVSM cost to run for 8 hours?
About $3.73 for 8 hours of cooling: roughly 2,570 W at 18.16¢/kWh, the US residential average for August 2026 (EIA).