WindowENERGY STAR

Keystone KSTAW12CE

4.3(1,800 retailer ratings) by Keystone · Model KSTAW12CE

Budget-friendly 12K with a clever temperature-sensing remote — big coolth for apartments and garages.

Cooling

12,000 BTU

Covers

550 ft²

Efficiency

12CEER

Noise

58 dB

$360 est.

typical street price · via Amazon

Check Price

Is 12,000 BTU right for your room? Run the sizing calculator

Strengths & trade-offs

Pros

550 sq ft coverage
Follow-me temp-sensing remote
2.5 pt/hr dehumidification

Cons

Audible at higher speeds
Short 1-year warranty

What the Keystone KSTAW12CE costs to run

Estimated from this unit's 12CEER 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	$38 /mo
Mixed / Temperate	Mid-Atlantic, Midwest, Mountain	$41 /mo
Hot & Humid	Southeast, Gulf Coast, Texas	$34 /mo
Hot & Dry	Southwest, Desert	$36 /mo

Full specifications

Type	Window air conditioner
Cooling capacity	12,000 BTU
Rated coverage	550 ft²
Efficiency	12 CEER
Noise (low)	58 dB
Smart features	None
ENERGY STAR	Yes
Model number	KSTAW12CE
Typical street price	$360