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    Welcome to Keystone - your go-to for home comfort products, available at ApplianceGuys.com. Specializing in air conditioning and dehumidifiers, we prioritize energy efficiency and affordability. Our low-maintenance, easy-to-install products are designed to keep you comfortable all year long. As a part of your family, Keystone is with you through traditions, celebrations, and memories.

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    Keystone air conditioners and dehumidifiers

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      • -5%
        Keystone - 10, 000 BTU Through the Wall Heat/Cool, R32 | KSTAT10-2HDKeystone - 10, 000 BTU Through the Wall Heat/Cool, R32 | KSTAT10-2HD
         
        Vendor: Keystone
        Keystone - 10, 000 BTU Through the Wall Heat/Cool, R32 | KSTAT10-2HD
        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 with an additional heat source to your main heat source when outdoor temperatures...
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        $569.99
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      • -4%
        Keystone Thru-the-Wall Keystone Energy Star 10,000 BTU 230V Through-the-Wall Air Conditioner with Follow Me LCD Remote Control
         
        Vendor: Keystone
        Keystone - 10,000 BTU 230V Through-the-Wall Air Conditioner with Follow Me LCD Remote Control | KSTAT10-2C
        The Keystone 10,000 BTU 230V through-the-wall air conditioner with Follow Me remote control 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...
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        $529.99
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        $549.99
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      • -5%
        Keystone Slider/Casement Keystone 10,000 BTU Slider/Casement Window AC
         
        Vendor: Keystone
        Keystone - 10,000 BTU Slider/Casement Window AC | KSTSW10A
        The Keystone 10,000 BTU slider/casement room air conditioner is perfect for cooling your rooms up to 450 sq. ft. Designed specifically for horizontal slider or casement windows this unit is the perfect solution for homes without traditional double-hung windows. 3 fan speeds and a 4-way air direction control means you...
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      • -10%
        Keystone Slider/Casement Keystone 8,000 BTU Slider/Casement Window AC
         
        Vendor: Keystone
        Keystone - 10,000 BTU Slider/Casement Window AC | KSTSW10B
        The Keystone 10,000 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 windows. 3 fan speeds and a 4-way air direction control means you...
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        $449.99
        Regular price
        $499.99
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      • -8%
        Keystone - 10,000 BTU Through the Wall Air Conditioner,EStar,230V, R32 Thru-the-Wall - KSTAT10-2DKeystone - 10,000 BTU Through the Wall Air Conditioner,EStar,230V, R32 Thru-the-Wall - KSTAT10-2D
         
        Vendor: Keystone
        Keystone - 10,000 BTU Through the Wall Air Conditioner,EStar,230V, R32 Thru-the-Wall - KSTAT10-2D
        Experience consistent and reliable cooling with Keystone's high-performance air conditioning unit, available for purchase on www.applianceguys.com. This powerful 10,000 BTU through-the-wall air conditioner is designed to keep you comfortable in small to medium-sized living spaces, efficiently cooling areas up to 450 square feet. Features Key Features: Maximum Comfort: Enjoy three...
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        $549.99
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      • -10%
        Keystone - 10,000 Window AC, 115V, Inverter, Energy StarWindow A/C - KSTAW10INVKeystone - 10,000 Window AC, 115V, Inverter, Energy StarWindow A/C - KSTAW10INV
         
        Vendor: Keystone
        Keystone - 10,000 Window AC, 115V, Inverter, Energy StarWindow A/C - KSTAW10INV
        Discover the epitome of reliable cooling with Keystone's state-of-the-art air conditioning units, available for purchase on www.applianceguys.com. Unleash consistent comfort, even during scorching days, with our 10,000 BTU inverter window-mounted air conditioner. Designed to efficiently cool rooms up to 450 square feet, this unit boasts a dehumidification capacity of 1.4...
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        $429.99
        Regular price
        $479.99
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        $429.99
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      • -6%
        Keystone - 10000 BTU Portable Air Conditioner | KSTAP10MFCKeystone - 10000 BTU Portable Air Conditioner | KSTAP10MFC
         
        Vendor: Keystone
        Keystone - 10000 BTU Portable Air Conditioner | KSTAP10MFC
        Your family's comfort begins with Keystone: Perfect for rooms up to 350 square feet, the Keystone portable air conditioner maximizes comfort by providing cool air and removing humidity. Ideal for a variety of spaces: As a reliable solution for reducing dampness and humidity, the unit is an excellent choice for...
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        $499.99
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        $529.99
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      • -8%
        Keystone - 10000 BTU Through the Wall Air Conditioner, EStar, R32 | KSTAT10-1DKeystone - 10000 BTU Through the Wall Air Conditioner, EStar, R32 | KSTAT10-1D
         
        Vendor: Keystone
        Keystone - 10000 BTU Through the Wall Air Conditioner, EStar, R32 | KSTAT10-1D
        The Keystone 10,000 BTU 115V through-the-wall air conditioner with Follow Me remote control is perfect for cooling a room up to 450 square feet. It has electronic controls with LED display and a temperature sensing LCD remote control allowing you to conveniently see, set and maintain the room temperature from...
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        $549.99
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      • -9%
        Keystone - 110 Pint Commercial Dehumidifier w/ Pump, 115V, R32 - KSTAD110PDKeystone - 110 Pint Commercial Dehumidifier w/ Pump, 115V, R32 - KSTAD110PD
         
        Vendor: Keystone
        Keystone - 110 Pint Commercial Dehumidifier w/ Pump, 115V, R32 - KSTAD110PD
        Discover superior dehumidification with Keystone's reliable units, ensuring optimal comfort even in the most humid conditions. Our commercial dehumidifier is designed to efficiently remove up to 110 pints of moisture daily from extra-large rooms, covering spaces of up to 2,000 sq. ft. Here's why Keystone's dehumidifier stands out: Powerful Dehumidification:...
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        $499.99
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      • -5%
        Keystone - 12, 000 BTU Through the Wall Heat/Cool, R32 | KSTAT12-2HDKeystone - 12, 000 BTU Through the Wall Heat/Cool, R32 | KSTAT12-2HD
         
        Vendor: Keystone
        Keystone - 12, 000 BTU Through the Wall Heat/Cool, R32 | KSTAT12-2HD
        The Keystone 12,000 BTU 230V through-the-wall air conditioner with 10,600 BTU Supplemental Heat Capability is perfect for rooms up to 550 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...
        Regular price
        $629.99
        Regular price
        $659.99
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        $629.99
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      • -7%
        Keystone Thru-the-Wall Keystone Energy Star 12,000 BTU 115V Through-the-Wall Air Conditioner with Follow Me LCD Remote Control
         
        Vendor: Keystone
        Keystone - 12,000 BTU 115V Through-the-Wall Air Conditioner with Follow Me LCD Remote Control
        The Keystone 12,000 BTU 115V through-the-wall air conditioner with Follow Me remote control is perfect for cooling a room up to 550 square feet. It has electronic controls with LED display and a temperature sensing LCD remote control allowing you to conveniently see, set and maintain the room temperature from...
        Regular price
        $559.99
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        $599.99
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        $559.99
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      • -7%
        Keystone Thru-the-Wall Keystone Energy Star 12,000 BTU 230V Through-the-Wall Air Conditioner with Follow Me LCD Remote Control
         
        Vendor: Keystone
        Keystone - 12,000 BTU 230V Through-the-Wall Air Conditioner with Follow Me LCD Remote Control
        The Keystone 12,000 BTU 230V through-the-wall air conditioner with Follow Me remote control 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...
        Regular price
        $559.99
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        $599.99
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      • -8%
        Keystone - 12,000 BTU Through the Wall Air Conditioner,EStar,115V, R32Thru-the-Wall - KSTAT12-1DKeystone - 12,000 BTU Through the Wall Air Conditioner,EStar,115V, R32Thru-the-Wall - KSTAT12-1D
         
        Vendor: Keystone
        Keystone - 12,000 BTU Through the Wall Air Conditioner,EStar,115V, R32Thru-the-Wall - KSTAT12-1D
        Stay cool and comfortable with Keystone's reliable air conditioning units, designed to provide consistent cooling even on the hottest days. The Keystone 12,000 BTU through-the-wall air conditioner effectively cools rooms up to 550 square feet while removing 2.5 pints of moisture per hour. Perfect for apartments, living rooms, and more,...
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        $599.99
        Regular price
        $649.99
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      • -8%
        Keystone - 12000 BTU Through the Wall Air Conditioner EStar 230 | KSTAT12-2DKeystone - 12000 BTU Through the Wall Air Conditioner EStar 230 | KSTAT12-2D
         
        Vendor: Keystone
        Keystone - 12000 BTU Through the Wall Air Conditioner EStar 230 | KSTAT12-2D
        The Keystone 12,000 BTU 230V through-the-wall air conditioner with Follow Me remote control is perfect for cooling a room up to 550 square feet. It has electronic controls with LED display and a temperature sensing LCD remote control allowing you to conveniently see, set and maintain the room temperature from...
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        $599.99
        Regular price
        $649.99
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      • -10%
        Keystone - 12000 Window AC, 115V, Inverter, Energy StarWindow A/C - KSTAW12INVKeystone - 12000 Window AC, 115V, Inverter, Energy StarWindow A/C - KSTAW12INV
         
        Vendor: Keystone
        Keystone - 12000 Window AC, 115V, Inverter, Energy StarWindow A/C - KSTAW12INV
        Experience consistent cooling even on scorching days with Keystone's reliable air conditioning units. The 12,000 BTU inverter window-mounted air conditioner efficiently cools rooms up to 550 square feet while removing up to 1.8 pints of moisture per hour. Ideal for medium-sized living spaces, this unit incorporates Inverter technology to optimize...
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        $459.99
        Regular price
        $509.99
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        $459.99
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      • -5%
        Keystone - 13000 BTU Portable Air Conditioner Heat/Cool | KSTAP13MFHCKeystone - 13000 BTU Portable Air Conditioner Heat/Cool | KSTAP13MFHC
         
        Vendor: Keystone
        Keystone - 13000 BTU Portable Air Conditioner Heat/Cool | KSTAP13MFHC
        Your family's comfort begins with Keystone: Perfect for rooms up to 450 square feet, the Keystone portable air conditioner maximizes comfort by providing cool air and removing humidity. Ideal for a variety of spaces: As a reliable solution for reducing dampness and humidity, the unit is an excellent choice for...
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        $569.99
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        $599.99
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      • -5%
        Keystone - 13000 BTU Portable Air Conditioner | KSTAP13MFCKeystone - 13000 BTU Portable Air Conditioner | KSTAP13MFC
         
        Vendor: Keystone
        Keystone - 13000 BTU Portable Air Conditioner | KSTAP13MFC
        Your family's comfort begins with Keystone: Perfect for rooms up to 450 square feet, the Keystone portable air conditioner maximizes comfort by providing cool air and removing humidity. Ideal for a variety of spaces: As a reliable solution for reducing dampness and humidity, the unit is an excellent choice for...
        Regular price
        $529.99
        Regular price
        $559.99
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        $529.99
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      • -4%
        Keystone - 14, 000 BTU Through the Wall Heat/Cool, R32 | KSTAT14-2HDKeystone - 14, 000 BTU Through the Wall Heat/Cool, R32 | KSTAT14-2HD
         
        Vendor: Keystone
        Keystone - 14, 000 BTU Through the Wall Heat/Cool, R32 | KSTAT14-2HD
        The Keystone 14,000 BTU 230V through-the-wall air conditioner with 10,600 BTU Supplemental Heat Capability is perfect for rooms up to 700 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...
        Regular price
        $669.99
        Regular price
        $699.99
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      • -11%
        Keystone - 14, 500 BTU Window A/C, Cool Only, Remote Control, 115V - KSTAW14DEKeystone - 14, 500 BTU Window A/C, Cool Only, Remote Control, 115V - KSTAW14DE
         
        Vendor: Keystone
        Keystone - 14, 500 BTU Window A/C, Cool Only, Remote Control, 115V - KSTAW14DE
        No reviews
        Beat the heat with this 14,000 BTU window-mounted AC unit, designed to cool spaces up to 650 sq. ft. and remove 2.1 pints of moisture per hour for enhanced air quality. Remote with built-in thermostat detects the temperature from where you are in the room, tailoring the cooling for personalized...
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        $399.99
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      • -7%
        Keystone - 14,000 BTU Through the Wall Air Conditioner,EStar,230V, R32Thru-the-Wall - KSTAT14-2DKeystone - 14,000 BTU Through the Wall Air Conditioner,EStar,230V, R32Thru-the-Wall - KSTAT14-2D
         
        Vendor: Keystone
        Keystone - 14,000 BTU Through the Wall Air Conditioner,EStar,230V, R32Thru-the-Wall - KSTAT14-2D
        Introducing the Keystone 12,000 BTU 230-Volt Through-the-Wall Air Conditioner with Follow Me Remote Control, now available for purchase on Appliance Guys. This powerful unit cools rooms up to 700 sq. ft. with its 9.5 EER. Enjoy precise temperature control with the temperature sensing LCD remote control, allowing you to maintain...
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