Keystone Electronics

With reliable air conditioning units, Keystone produces consistent cooling to keep you comfortable, even on the hottest days. This 10,000 BTU window-mounted air conditioner can effectively cool rooms up to 450 square feet with dehumidification up to 1.5 pints per hour to remove moisture from the air. Perfect for medium-sized living spaces like apartments, bedrooms, living rooms, and much more. It features special Inverter technology to eliminate wasted operation in the air conditioner by controlling the motor speed to exactly the amount of power that is needed to keep the room at the desired temperature. A remote is included so you can control your cooling from across the room. 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.

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 1.85 pints per hour to remove moisture from the air. Perfect for medium-sized living spaces like apartments, bedrooms, living rooms, and much more. It features special Inverter technology to eliminate wasted operation in the air conditioner by controlling the motor speed to exactly the amount of power that is needed to keep the room at the desired temperature. A remote is included so you can control your cooling from across the room. 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.

With reliable air conditioning units, Keystone produces consistent cooling to keep you comfortable, even on the hottest days. This 18,000 BTU window-mounted air conditioner can effectively cool rooms up to 1000 square feet with dehumidification up to 2.53 pints per hour to remove moisture from the air. Perfect for large-sized living spaces like apartments, bedrooms, living rooms, and much more. It features special Inverter technology to eliminate wasted operation in the air conditioner by controlling the motor speed to exactly the amount of power that is needed to keep the room at the desired temperature. A remote is included so you can control your cooling from across the room. 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. (Please note: Requires a special 230V electrical outlet)

Stay comfortable and cool with Keystone's best air conditioner for medium-sized spaces. This reliable 8,000 BTU window air conditioner effectively cools rooms up to 350 square feet, even on the hottest days. The modern AC unit is designed for easy through-the-wall installation and includes a remote control with a built-in thermostat, delivering personalized comfort to you wherever you are. Enjoy enhanced air quality, thanks to the unit's capability to remove up to 2.1 pints of moisture per hour. Choose from energy-saving features like the energy saver mode, sleep mode, and programmable 24-hour timer to optimize efficiency and minimize utility costs. The window AC unit also features a Check Filter alert to ensure the unit's optimal performance and longevity. Keystone offers a 1-year warranty and affordable pricing, guaranteeing both reliability and cost-consciousness. Whether it's for your apartment, dorm room, or shed, choose Keystone's easy install air conditioner to stay cool and comfortable. Experience the coldest AC unit and exceptional performance from Keystone today.

Stay comfortable and improve your indoor environment with the reliable Keystone dehumidifier. This Energy Star-rated unit effectively removes up to 50 pints of moisture per day, reducing humidity, odor, and dampness in rooms up to 4500 square feet, such as basements, garages, and living rooms. Choose from normal, turbo, auto-defrost, and auto-restart settings using the electronic controls on the LED display. Plus, with its built-in pump, this portable dehumidifier offers continuous vertical drainage for added convenience. Enjoy peace and quiet with a low-level noise operation of 55dB, allowing you to sleep, watch TV, or work without distractions. The 1.8-gallon water tank comes with a Full Bucket alert and auto shut-off to prevent spills. Easily maintain the unit with the Check Filter alert for cleaning the mesh filter. With 4 omni-directional caster wheels, you can effortlessly move this dehumidifier between rooms. Trust Keystone for comfort and quality with a 1-year warranty and cost-conscious price.

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 up to 550 square feet, while its dehumidification function removes up to 2.5 pints of moisture per hour, reducing humidity levels for a more comfortable living environment. Ideal for medium-sized living spaces like apartments and living rooms, this unit comes with a unique remote control featuring a built-in thermostat. This innovative feature detects your position in the room and adjusts the temperature accordingly, promoting personalized comfort. Save energy and cut down on costs with the unit's energy saver mode, sleep mode, and programmable 24-hour timer. The Check Filter alert will notify you when it's time to clean the mesh filter, ensuring optimal performance. Rest assured that Keystone stands by the quality of their product with a 1-year warranty, offering peace of mind and reliable cooling at an affordable price. Stay cool and comfortable with Keystone's air conditioning units.

Stay cool and comfortable with Keystone's reliable window-mounted air conditioner. This 5,000 BTU window AC unit is perfect for smaller-sized living spaces up to 150 square feet, such as apartments, dorm rooms, sheds, and more. With dehumidification of up to 1.3 pints per hour, it effectively removes excess moisture from the air, providing a comfortable and dry environment. The unit features a unique remote control with a built-in thermostat, which senses the temperature of your location in the room and adjusts automatically for optimal comfort. With three cooling and fan speeds, you have flexibility and can enjoy quiet operation, as low as 52 dBA. Whether you're sleeping, watching TV, or working, the unit ensures a peaceful and distraction-free environment. Maintenance is simple with the Check Filter alert, reminding you when it's time to remove and clean the mesh filter. This helps maintain excellent performance and clean air circulation. Keystone provides a cost-conscious price to ensure you can stay cool and comfortable without breaking the bank. Upgrade your living space with Keystone's window-mounted air conditioning and experience consistent cooling, even on the hottest days. Don't settle for discomfort – choose Keystone for reliable performance and a comfortable environment year-round.