With reliable air conditioning, Keystone produces consistent cooling to keep you comfortable, even on the hottest days. Whether installed in a window or through-the-wall, this 18,000 BTU / 16,000 BTU supplemental heating capacity air conditioning unit can effectively cool rooms up to 1000 square feet with dehumidification up to 3.8 pints per hour to remove moisture from the air. Perfect for large sized living spaces like apartments, bedrooms, living rooms, and much more. Supplemental Heating mode is meant to be operated when temperatures outside are between 23 and 76 degrees. This mode is supplemental and NOT meant as a primary heat source. The unit features a unique remote with a thermostat built in to sense the temperature of the room, displays it on the remote's LCD screen, and sends a signal to your AC unit every 3 minutes for accurate cooling. Money saving features include energy saver mode, sleep mode, and a programmable 24-hour timer. You'll know when it's time to easily remove and clean the mesh filter with the Check Filter alert. Keystone not only provides a 1-year warranty but ensures that you stay cool and comfortable at a cost-conscious price. For wall installation, you can use an existing compatible wall sleeve or purchase one separately. Wall sleeve not included with unit. Product Highlights

• Reliable Cool and Supplemental Heat: Our powerful 18,000 BTU cooling capacity / 16,000 BTU supplemental heating capacity window or wall unit can efficiently provide comfort all year long in any large space up to 1,000 square feet
• All in One: Enjoy cooling, supplemental heating, dehumidification, and fan circulation; Supplemental Heating mode is meant to be operated when temperatures outside are between 23 and 76 degrees; Mode is supplemental and NOT meant as a primary heat source
• Smart Remote Control: The I Sense remote control takes the temperature of the room you are in, displays it on the remote's LCD screen and sends a signal to your AC unit every 3 minutes for accurate cooling
• Powerful Cooling on a Budget: Our AC will give your electric bill a break by using the 'Energy Saver' or Sleep' mode
• Space Saving Design: Save your floor space with this window or wall ac; Window installation kit included; Minimum window height: 8.5 inches, window width dimensions: 28" minimum / 40.5" maximum
• Heat/Cool air conditioner with removable chassis for window and wall installation (wall sleeve not included)
• Special 230-volt/25-amp electrical outlet required (Unit will not work with a standard 115V outlet)
• 18,500/18,200 BTU cooling capacity / 16,000 BTU supplemental heating capacity
• Supplemental heat capability provides an additional heat source to your main heat source when outdoor temperatures are above 45°F
• Heating mode is supplemental and NOT meant as primary heat source
• Designed for a room up to 1000 sq. ft. with dehumidification up to 3.8 pints per hour
• Indoor Noise Level dBA (Hi/Med/Lo): 60 / 57 / 54
• 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 6-30P plug makes extension cords unnecessary
• Adjustable, pleated window mounting kit included for window installation
• Minimum window height: 18.5 inches
• Window width dimensions: 28" minimum / 40.5" maximum