Air Conditioners › Keystone › With Timer

The Keystone 8 000 BTU slider/casement room air conditioner is perfect for coo... The Keystone 8 000 BTU slider/casement room air conditioner is perfect for cooling your rooms up to 350 sq. ft. Designed specifically for horizontal slider or casement windows this unit is the perfect solution for homes without traditional double-hung... more

At Keystone your family’s comfort starts here. Keystone s budget-friendly 18... At Keystone your family’s comfort starts here. Keystone s budget-friendly 18 000/17 700 BTU 230V window/wall air conditioner is designed with a removable chassis so you can install it either in a window or through an exterior wall. Our two-in-one... more

At Keystone your family’s comfort starts here. Keystone s budget-friendly he... At Keystone your family’s comfort starts here. Keystone s budget-friendly heat/cool 230V window/wall air conditioner is designed with a removable chassis so you can install it either in a window or through an exterior wall. Our two-in-one... more

The Keystone 10, 000 BTU 230V through-the-wall air conditioner with 10, 600 BT... The Keystone 10, 000 BTU 230V through-the-wall air conditioner with 10, 600 BTU Supplemental Heat Capability is perfect for rooms up to 450 square feet. In addition to cooling, this versatile unit also offers supplemental heat capability, providing you... more

The Keystone 8, 000 BTU slider/casement room air conditioner is perfect for co... The Keystone 8, 000 BTU slider/casement room air conditioner is perfect for cooling your rooms up to 350 sq. ft. Designed specifically for horizontal slider or casement windows this unit is the perfect solution for homes without traditional double-hung... more

Keystone offers reliable air conditioning units that deliver consistent coolin... Keystone offers reliable air conditioning units that deliver consistent cooling, ensuring your comfort even on the hottest days. Designed for easy through-the-wall installation, this 12, 000 BTU through-the-wall air conditioner effectively cools rooms... more

With reliable air conditioning units, Keystone produces consistent cooling to ... With reliable air conditioning units, Keystone produces consistent cooling to keep you comfortable, even on the hottest days. Installed easily through-the-wall, this 12, 000 BTU / 10, 600 BTU supplemental heating capacity air conditioning unit can... more

Keystone knows that staying cool on hot days is essential to your comfort and ... Keystone knows that staying cool on hot days is essential to your comfort and well-being. This is why they have created reliable air conditioning units that provide consistent cooling, even on scorching hot days. The Keystone 8, 000 BTU air conditioner... more

With reliable air conditioning units, Keystone produces consistent cooling to ... With reliable air conditioning units, Keystone produces consistent cooling to keep you comfortable, even on the hottest days. This 12, 000 BTU window-mounted air conditioner can effectively cool rooms up to 550 square feet with dehumidification up to... more

Keystone's reliable through-the-wall air conditioning units guarantee a consis... Keystone's reliable through-the-wall air conditioning units guarantee a consistently comfortable indoor environment, even during scorching summer days. The easily installed through-the-wall 10, 000 BTU air conditioner efficiently cools rooms up to 450... more

The product is perfect for cooling a room up to 450 square feet. It has electr... The product is perfect for cooling a room up to 450 square feet. It has electronic controls with an LED display and a temperature-sensing LCD remote control allowing you to conveniently see, set, and maintain the room temperature from across the room.... more

At Keystone, your family’s comfort starts here. Keystone's budget-friendly hea... At Keystone, your family’s comfort starts here. Keystone's budget-friendly heat/cool 115V window/wall air conditioner is designed with a removable chassis so you can install it either in a window or through an exterior wall. Our two-in-one installation... more

The product is perfect for cooling a room up to 450 square feet. It has electr... The product is perfect for cooling a room up to 450 square feet. It has electronic controls with an LED display and a temperature-sensing LCD remote control allowing you to conveniently see, set, and maintain the room temperature from across the room.... more

With reliable Through the Wall Air Conditioners, Keystone proudly produces con... With reliable Through the Wall Air Conditioners, Keystone proudly produces consistent cooling to keep you comfortable, even on the hottest days. Installed easily through the wall, this 12, 000 BTU through-the-wall air conditioner can effectively cool... more

The product is perfect for cooling a room up to 550 square feet. It has electr... The product is perfect for cooling a room up to 550 square feet. It has electronic controls with an LED display and a temperature-sensing LCD remote control allowing you to conveniently see, set, and maintain the room temperature from across the room.... more

With reliable Through the Wall Air Conditioners, Keystone proudly produces con... With reliable Through the Wall Air Conditioners, Keystone proudly produces consistent cooling to keep you comfortable, even on the hottest days. Installed easily through the wall, this 10, 000 BTU through-the-wall air conditioner can effectively cool... more

With reliable air conditioning units, Keystone produces consistent cooling to ... With reliable air conditioning units, Keystone produces consistent cooling to keep you comfortable, even on the hottest days. This 8, 000 BTU window-mounted air conditioner can effectively cool rooms up to 350 square feet with dehumidification of up to... more

With reliable air conditioning units, Keystone proudly produces efficient and ... With reliable air conditioning units, Keystone proudly produces efficient and consistent cooling to keep you comfortable, even on the hottest days. Installed easily through-the-wall, this 8, 000 BTU air conditioner for wall can effectively cool rooms... more

At Keystone, your family’s comfort starts here. Keystone's budget-friendly hea... At Keystone, your family’s comfort starts here. Keystone's budget-friendly heat/cool 230V window/wall air conditioner is designed with a removable chassis so you can install it either in a window or through an exterior wall. Our two-in-one installation... more

The product is perfect for rooms up to 450 square feet. In addition to cooling... The product is perfect for rooms up to 450 square feet. In addition to cooling, this versatile unit also offers supplemental heat capability, providing you with an additional heat source to your main heat source when outdoor temperatures are above 45... more