WindowENERGY STAR

LG Dual Inverter LW1522IVSM 14K

3.9(391 retailer ratings) by LG · Model LW1522IVSM

LG's dual-inverter scaled to whole-floor duty — 14,000 BTU across 800 sq ft, still hitting 44 dB in sleep mode.

Cooling

14,000 BTU

Covers

800 ft²

Efficiency

14.7CEER

Noise

44 dB

$529 est.

typical street price · via Amazon

Check Price

Is 14,000 BTU right for your room? Run the sizing calculator

Strengths & trade-offs

Pros

CEER 14.7 — roughly 35% above the federal minimum
44 dB sleep mode, rare at 14K BTU
ThinQ app with Alexa and Google

Cons

Amazon pricing is volatile — often third-party near list
Middling owner rating for the price

What the LG Dual Inverter LW1522IVSM 14K costs to run

Estimated from this unit's 14.7CEER rating at 8 hours/day of cooling, using average residential electricity rates for each US climate zone. Your usage and utility rate will shift these numbers — run the calculator for your exact room.

Climate zone	Example regions	Est. cost / month
Cool North	Pacific NW, Upper Midwest, New England	$37 /mo
Mixed / Temperate	Mid-Atlantic, Midwest, Mountain	$39 /mo
Hot & Humid	Southeast, Gulf Coast, Texas	$32 /mo
Hot & Dry	Southwest, Desert	$34 /mo

Full specifications

Type	Window air conditioner
Cooling capacity	14,000 BTU
Rated coverage	800 ft²
Efficiency	14.7 CEER
Noise (low)	44 dB
Smart features	App, Voice
ENERGY STAR	Yes
Model number	LW1522IVSM
Typical street price	$529