List Price: $439.95
On Sale: $349.95, plus FREE Shipping
With 12,000 BTUs of cooling power and a 10.8 energy efficiency ratio (EER), the Comfort-Aire RADS-121J Window Air Conditioner blends strong cooling power with energy-efficient features. Built to cool up to 550 square feet, the Comfort-Aire RADS-121J offers an Energy Saver mode, full-service remote control, and automatic restart feature. It also has the ability to cool, dehumidify, or act in fan-only mode.
This Comfort-Aire window AC is equipped with several operating modes that keep your home cool and comfortable.
A reusable air filter is easy to remove and clean, saving you money on replacement filters and ensuring your AC runs efficiently. Use the Check Filter Indicator to learn when the air filter needs to be cleaned. Adjustable louvers easily direct the airflow to a specific area of the room. In addition, a full-service digital remote control provides easy access to all features and conveniently changes modes or fan speeds.
The Comfort-Aire 12,000 BTU Window Air Conditioner is equipped with all the tools you need for secure window installation. Its installation kit includes a top-mounting rail, vertical sash seal, accordion panels, and support brackets. It can be mounted in windows between 23 to 36 inches wide or through an outside wall.
This is a 115-volt AC that uses a NEMA 5-15P plug type. The 3-prong face looks like this: ![]()
Summary
This efficient window AC offers multiple operating modes and 12,000 BTUs of power to cool spaces up to 550 square feet.
| Cooling Power | 12,000 BTU |
| Recommended Room Size | 500 Sq. Ft. |
| Height | 14.6875 in. |
| Width | 19 in. |
| Depth | 20.50 in. |
| Weight | 78 lbs. |
| Refrigerant Type | R-410A |
| Air Filtration | Washable Air Filter |
| Number of Fan Speeds | 3 |
| Fan-Only Mode | Yes |
| Controls | Manual |
| Cubic Feet Per Minute | 265 Cu. Ft. per Min. |
| Maximum Noise Level | 60 dB |
| Installation Type | Window |
| Chassis Type | Fixed |
| Maximum Window Width | 36 in. |
| Programmable Timer | Yes |
| Dehumidifier Mode | Yes |
| Moisture Removal Per Hour | 2.54 pints |
| Heater Mode | No |
| Remote Control | Yes |
| Airflow Direction Control | Yes |
| Filter Indicator | Yes |
| Voltage | 115 V |
| Maximum Cooling Amps | 10.2 Amps |
| Plug Face Type | 5-15P |
| Energy Efficiency Ratio (EER) | 10.8 |
| Energy Star-Rated | Yes |
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