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Comfort-Aire 5000 BTU Window Air Conditioner (RG-51J)
Model: RG-51J | SKU: co2594
The Comfort-Aire RG-51J Window Air Conditioner features 2 operating modes and a 9.7 energy efficiency ratio (EER). This budget-friendly choice offers 5,000 BTUs of power, making it ideal for cooling spaces between 100 and 150 square feet. A window mounting kit is included for simple installation.
Functions as an AC and Fan
The Comfort-Aire RG-51J Window AC is equipped with 2 operating modes to keep your home cool. Both modes feature low and high speeds so you’re comfortable at all times.
Cool: 5,000 BTUs of cooling power force heat out of the air and replace it with a refreshing cool breeze.
Fan: In cooler temperatures, use fan-only operation to keep your room comfortable.
Convenient Handling
This Comfort-Aire model window air conditioner is lightweight and built with convenience in mind. An easy-to-use manual knob with 7 position controls helps you quickly find your desired temperature. Adjustable louvers direct the air around the room or to a specific area as needed. Support brackets for outside your window provide extra support to this model.
Window Kit Included
The Comfort-Aire RG-51J 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: 
Additional Features
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Eco-Friendly: The R-410A refrigerant does not contribute to ozone depletion.
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Slide-Out Filter: The slide-out filter is easy to remove, clean, and reuse.
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Window Mounting Kit: The kit is included and makes installation a breeze.
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Adjustable Airflow: Two-way louvers allow for adjustable air circulation.
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Manual Controls: A 7-position control panel allows for simple temperature adjustment.
- Lightweight Cabinet: This compact AC weighs just 44 pounds and comes with attractive decorative front grille to blend with any décor.
Summary
The 5,000 BTU window air conditioner is an efficient and simple-to-use AC that offers 2 operating modes, a 9.7 EER, and 5,000 BTUs of power to cool small spaces up to 150 square feet.
What Customers Love
- 2 Operating Modes: This model keeps your home cool and comfortable with a Cooling mode and fan-only option.
- Convenient: The small window air conditioner is lightweight, energy-efficient, and features a 7-knob control panel to easily find your optimal room temperature.
Things To Consider
- No Remote Control: Some customers enjoy having a digital remote control to change modes or room temperature.
| Cooling Power | 5,000 BTU |
| Recommended Room Size | 125 Sq. Ft. |
| Height | 12.0625 in. |
| Width | 16 in. |
| Depth | 13.25 in. |
| Weight | 40 lbs. |
| Refrigerant Type | R-410A |
| Air Filtration | Washable Air Filter |
| Number of Fan Speeds | 2 |
| Fan-Only Mode | Yes |
| Controls | Manual |
| Cubic Feet Per Minute | 123 Cu. Ft. per Min. |
| Maximum Noise Level | 54 dB |
| Installation Type | Window |
| Chassis Type | Fixed |
| Maximum Window Width | 36 in. |
| Programmable Timer | No |
| Moisture Removal Per Hour | 1.27 pints |
| Heater Mode | No |
| Remote Control | No |
| Airflow Direction Control | Yes |
| Filter Indicator | No |
| Voltage | 115 V |
| Maximum Cooling Amps | 4.5 Amps |
| Plug Face Type | 5-15P |
| Energy Efficiency Ratio (EER) | 9.7 |
- Comfort-Aire Window Air Conditioner
- Window Kit
- Owner’s Manual
Manufacturer Warranty
1 Year Limited (parts and labor) & 5 Year Limited (sealed system)
Manufacturer Literature
Owner's Manual (Adobe PDF)
User guide for the Comfort-Aire RG-51J 5000 BTU Window Air Conditioner
Energy Guide Label (Adobe PDF)
Includes information about the estimated yearly operating cost for the Comfort-Aire RG-51J Window AC.
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