Through-wallENERGY STAR

Keystone 14K Through-Wall

4.3(570 retailer ratings) by Keystone · Model KSTAT14-2C

Biggest coverage of the group: 14,000 BTU for rooms up to 700 sq ft with a temperature-sensing remote.

Cooling

14,000 BTU

Covers

700 ft²

Efficiency

10.5EER

Noise

57 dB

$600 est.

typical street price · via Amazon

Check Price

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

Strengths & trade-offs

Pros

Cools up to 700 sq ft
Follow Me temperature remote
Strong value per BTU

Cons

Requires 230V/20A outlet
Basic controls, no app

What the Keystone 14K Through-Wall costs to run

Estimated from this unit's 10.5EER 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	$51 /mo
Mixed / Temperate	Mid-Atlantic, Midwest, Mountain	$54 /mo
Hot & Humid	Southeast, Gulf Coast, Texas	$45 /mo
Hot & Dry	Southwest, Desert	$48 /mo

Full specifications

Type	Through-wall air conditioner
Cooling capacity	14,000 BTU
Rated coverage	700 ft²
Efficiency	10.5 EER
Noise (low)	57 dB
Smart features	None
ENERGY STAR	Yes
Model number	KSTAT14-2C
Typical street price	$600