Specifications

ManualsBrandsKeystone ManualsAir Conditioners & Fans1000-sq ft Window Air Conditioner with Heater (230-Volt; 18500-BTU)

MODEL

KSTHW08A KSTHW12A KSTHW18A KSTHW25A

PERFORMANCE

BTU Capacity (Cool/Heat)

8,000/3,500 BTU 12,000/11,000 BTU 18,500/16,000 BTU 25,000/16,000 BTU

Heat/Cool Unit

Yes Yes Yes Yes

Dehumidication (pints/hour)

1.9 2.5 3.8 5.7

Cooling Area

350-sq. ft. 550-sq. ft. 1000-sq. ft 1500-sq. ft.

EER

10.9 10.9 10.7 9.4

ELECTRICAL

Volts

115V 230V 230V 230V

Amps (Cool/Heat)

6.4/11.7 5.0/15.2 8.3/21.8 12.4/22

Watts (Cool/Heat)

734/1220 1100/3450 1729/4800 2660/4800

Power Cord Length (Feet)

7 7 6.5 6.5

Plug Type (NEMA)

NEMA 5-15P NEMA 5-15P NEMA 6-30P NEMA 6-30P

FEATURES

Control Type

Electronic Electronic Electronic Electronic

Number of Fan Speeds

3 3 3 3

Energy Saving Mode

Yes Yes Yes Yes

Sleep Mode

Yes Yes Yes Yes

Check Filter Indicator

Yes Yes Yes Yes

Programmable Timer

Yes Yes Yes Yes

Energy Star Rated

No No No No

Remote Control

Yes Yes Yes Yes

Air CFM (Fan Speeds)

202/231/248 223/255/279 560/660/760 756/825/890

Air Direction Control

4-way 4-way 4 way 4-way

Filter Type

Washable Washable Washable Washable

Warranty

1 year parts and labor 1 year parts and labor 1 year parts and labor 1 year parts and labor

SPECIFICATIONS

Refrigerant

R410A R410A R32 R32

Product Dims (WxHxD) inches

22.6x16.1x23 22.6x16.1x23 23.6x17.9x25.4 23.6x17.9x25.4

Product Weight (lbs.)

75.4 84 117.5 117.5

Shipping Dims (WxHxD) inches

28.4x16.9x25 28.4x16.9x25 30x20.3x26 30x20.3x26

Shipping Weight (lbs.)

87.5 95 132.50 132.5

At Keystone, your family’s comfort starts here. Keystone

offers a full assortment of budget-friendly Home Comfort

Solutions for every room in the house. Whatever air

conditioner type you need – window, window/wall,

thru-the-wall, or portable – Keystone has you covered. We

even have AC models with heating options! Keystone’s

assortment of flexible Window/Wall Air Conditioners is

designed with a removable chassis so you can install

them either in a window or through an exterior wall. Our

two-in-one installation marvel includes an adjustable

window kit for convenient window installation. For wall

installation, you can use an existing compatible wall

sleeve or purchase one of ours separately. Coveted

features include a programmable timer, sleep mode,

and energy saver mode.

Window Air Conditioners

Summary of content (1 pages)

PAGE 1
At Keystone, your family’s comfort starts here. Keystone offers a full assortment of budget-friendly Home Comfort Solutions for every room in the house. Whatever air conditioner type you need – window, window/wall, thru-the-wall, or portable – Keystone has you covered. We even have AC models with heating options! Keystone’s assortment of flexible Window/Wall Air Conditioners is designed with a removable chassis so you can install them either in a window or through an exterior wall.