Skip to content
TOUGH JOBS DONE RIGHT: Serious Tools Up to 50% Off. Shop the Deals >
Northern Tool Equipment Logo TextNorthern Tool Equipment Logo text link to Home.
Print

Keystone 12,000 BTU Window Air Conditioner with 11,000 BTU Supplemental Heat Capability, 230V, Covers up to 550 sq. ft., Model# KSTHW12B

Item# 6828731
"Keystone 12,000 BTU Window Air Conditioner with 11,000 BTU Supplemental Heat Capability, 230V, Covers up to 550 sq. ft., Model# KSTHW12B"
Keystone 12,000 BTU Window Air Conditioner with 11,000 BTU Supplemental Heat Capability, 230V, Covers up to 550 sq. ft., Model# KSTHW12B

This is a carousel with one large zoomable image and a track of thumbnails on the left. Select any of the thumbnail buttons to change the zoomable image on the right. If a thumbnail is a video or 360 degree image thumbnail, or the last thumbnail in the list, the button will open the product media modal.

Keystone 12,000 BTU Window Air Conditioner with 11,000 BTU Supplemental Heat Capability, 230V, Covers up to 550 sq. ft., Model# KSTHW12B

Click or Tap image to Zoom

$499.99

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
  • Special 230-volt/20-amp electrical outlet required (Unit will not work with a standard 115V outlet)
  • 12,000/11,600 BTU cooling capacity / 11,000 BTU supplemental heating capacity
  • Supplemental heat capability provides an additional heat source to your main heat source when outdoor temperatures are above 23°F
  • Heating mode is supplemental and NOT meant as primary heat source
  • Designed for a room up to 550 sq. ft. with dehumidification up to 2.5 pints per hour

  • Prop 65 Warning: See Details

See full description

  • Description

  • Key Specs

  • Reviews

  • Q & A

  • Warranty

  • Compare

Product Summary

Keystone prioritizes your family's comfort, and our budget-friendly heat/cool 230V window air conditioner is designed to meet your needs. This versatile AC unit offers both efficient cooling and supplemental heat capability, serving as an additional heat source for outdoor temperatures above 23 degrees Fahrenheit. The heat mode is supplemental and cannot replace your primary heat source. Please note that this unit requires a special 230-volt/20-amp electrical outlet and will not operate with a standard 115V household electrical outlet. Enjoy ultimate cost savings with the energy saver mode, sleep mode, and programmable 24-hour timer. These features allow you to customize your heating and cooling preferences based on your schedule, lowering energy usage and costs. The Follow Me LCD remote control adds to the convenience of this unit, ensuring everyone can relax in comfort. Invest in our heat/cool 230V window air conditioner and enjoy year-round comfort for your family.

What's Included

    (1) Air Conditioner (1) Remote Control (1) Window Installation Kit (2) AAA Alkaline Batteries (1) Manual (1) Installation Guide

Downloads

Product Manual Product Manual2
Safety Data Sheet
Play Item Video

Features + Benefits

  • Special 230-volt/20-amp electrical outlet required (Unit will not work with a standard 115V outlet)
  • 12,000/11,600 BTU cooling capacity / 11,000 BTU supplemental heating capacity
  • Supplemental heat capability provides an additional heat source to your main heat source when outdoor temperatures are above 23°F
  • Heating mode is supplemental and NOT meant as primary heat source
  • Designed for a room up to 550 sq. ft. with dehumidification up to 2.5 pints per hour
  • Indoor Noise Level dBA (Hi/Med/Lo): 61/58/55
  • Electronic controls with LED display allows you to easily select options with the touch of a button
  • Temperature sensing LCD remote control allows you control the temperature from across the room
  • Auto-restart saves your settings for when power is restored to the unit
  • Adjustable 4-way air flow direction allows you to easily control the direction of the cool air
  • 3 cooling speeds, 3 fan speeds, and 1 heat speed for multi-seasonal use
  • Programmable 24-hour on/off timer cools on your schedule
  • Energy Saver function conserves energy and saves you money
  • Sleep function gradually increases room temperature after being activated
  • Easy-clean, tilt-out mesh filter with Check Filter alert on the unit
  • 6.5-ft. LCDI power cord with NEMA 6-20P plug makes extension cords unnecessary
  • Adjustable, pleated window mounting kit included for window installation
  • Minimum window height: 16.5 inches
  • Window width dimensions: 26.8" minimum / 36" maximum

Key Specs

AttributeSpecification

item#

6828731

Brand

Keystone

Manufacturer's Warranty

1 year limited warranty

Ship Weight

78.26 LB

BTU Cooling

12,000

Volts

230

Cooling Capacity

550 ft²

Amps

6.9
AttributeSpecification

Product Type

Air Conditioner

Mini Split

No

Speeds (qty.)

3

CFM

320

Temperature Range

63 - 90 °F

Timer

Yes

Product Weight

71.6500 lb

Dimensions L x W x H (in.)

18.98 x 21.46 x 14.65 in

Reviews

Questions & Answers

Warranty

Manufacturer's Warranty

1 year limited warranty

Recently Viewed Items

This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.