1. Product Overview
The COWSAR 12000 BTU U-Shaped Window Air Conditioner is designed to provide efficient cooling, dehumidification, and fan functions for spaces up to 550 square feet. Its innovative saddle mount design allows for an unobstructed window view and quiet operation, making it suitable for bedrooms, living rooms, and home offices. This unit features multiple comfort modes, adjustable fan speeds, and a 24-hour timer for personalized climate control.
2. Safety Instructions
Please read all safety instructions carefully before installation and operation to prevent injury or damage.
- Ensure the power supply matches the unit's requirements (115V).
- Do not operate the unit with a damaged power cord or plug.
- Keep the air intake and exhaust vents clear of obstructions.
- Do not insert objects into the air vents.
- Always unplug the unit before cleaning or performing maintenance.
- This appliance is heavy; use proper lifting techniques and seek assistance during installation.
3. Package Contents
Verify that all items are present in the package:
- 1 x COWSAR 12,000 BTU Window Air Conditioner
- 1 x Remote Control
- 1 x User Manual
4. Setup and Installation
This air conditioner is designed for tool-free installation in standard double-hung windows. It fits windows 24 to 48 inches wide, with a minimum window height of 16 inches. The maximum sill clearance is 11 inches, and a minimum 8-inch height clearance from the floor is required.

Figure 4.1: Window dimension requirements for installation.

Figure 4.2: The unit is compatible with both single and double-hung windows.
The unique saddle mount design allows the unit to rest over your windowsill, preserving your window view and allowing the window to be opened and closed freely when the unit is not in use. The compressor is positioned outside and below the window level, contributing to its quiet operation.

Figure 4.3: Saddle-shaped design for unobstructed window view.
5. Operating Instructions
5.1 Control Panel and Remote Control
The unit can be operated using the touch control panel on the front of the unit or the included remote control. The remote control allows for convenient adjustment of settings from anywhere in the room.

Figure 5.1: Touch control panel and remote control.
5.2 Operating Modes
The COWSAR air conditioner offers three primary functions: Cool, Dehumidifier (Dry), and Fan, along with several comfort modes.

Figure 5.2: 3-in-1 functionality: Cool, Fan, Dry.
- Cool Mode: Provides powerful cooling with a temperature range of 62°F to 86°F.
- Dehumidifier (Dry) Mode: Efficiently removes up to 72 pints of moisture per day, reducing humidity.
- Fan Mode: Circulates air without cooling, offering three adjustable fan speeds.
- Auto Mode: Automatically selects cooling or fan mode based on the room temperature.
- Energy-Saving Mode: Optimizes operation to reduce power consumption while maintaining comfort.
- Sleep Mode: Adjusts temperature and fan speed for quiet, comfortable sleep, with an ultra-low noise level of 38–45 dB.

Figure 5.3: Available operating modes.

Figure 5.4: Quiet operation and Sleep Mode for undisturbed rest.
5.3 24-Hour Timer
Use the built-in 24-hour timer to schedule cooling cycles, enhancing convenience and energy efficiency. Refer to the remote control or control panel section for specific timer setting instructions.
6. Maintenance
6.1 Filter Cleaning
Regular cleaning of the air filter is essential for optimal performance and air quality. The filter is removable and washable.
- Turn off and unplug the air conditioner.
- Open the front panel and carefully remove the air filter.
- Wash the filter with warm, soapy water. Rinse thoroughly.
- Allow the filter to air dry completely before reinstalling.
- Reinstall the dry filter and close the front panel.

Figure 6.1: Removable and washable filter for easy maintenance.
6.2 General Cleaning
Wipe the exterior of the unit with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure the unit is unplugged before cleaning.
7. Troubleshooting
If you encounter issues with your air conditioner, refer to the table below for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | No power, tripped circuit breaker, loose plug. | Check power connection, reset circuit breaker, ensure plug is secure. |
| Insufficient cooling | Dirty air filter, blocked air vents, room too large, doors/windows open. | Clean air filter, clear vents, ensure room size is within capacity, close doors/windows. |
| Unit is noisy | Loose installation, foreign object in fan, unit not level. | Check installation for secure fit, inspect for obstructions, ensure unit is level. |
| Water leakage | Drainage issue, unit not level. | Ensure proper drainage setup, check if unit is level. |
8. Product Specifications
Detailed technical specifications for the COWSAR 12000 BTU U-Shaped Window Air Conditioner.
| Feature | Detail |
|---|---|
| Brand | COWSAR |
| Model Number | NCAA-08C/X1E |
| Cooling Power | 12000 BTU |
| Cooling Area | Up to 550 Sq.Ft |
| Dehumidification Capacity | 72 pints/day |
| Noise Level | 38-45 dB |
| Temperature Range | 62°F - 86°F |
| Voltage | 115V AC |
| Wattage | 1725 watts |
| Dimensions (D x W x H) | 28.94" x 18.7" x 14.96" |
| Item Weight | 63.8 pounds |
| Window Width Range | 24" - 48" |
| Minimum Window Height | 16" |
| Maximum Sill Clearance | 11" |
| Refrigerant | R-410A |
| Control Method | Remote Control, Touch Control Panel |

Figure 8.1: Guide to selecting the right BTU for your space.
9. Warranty Information
The COWSAR 12000 BTU U-Shaped Window Air Conditioner comes with a 1 Year Limited Warranty. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims. For specific terms and conditions, refer to the warranty card included with your product or contact customer support.
10. Customer Support
For technical assistance, troubleshooting, or warranty inquiries, please contact COWSAR customer service. Refer to the contact information provided in your product packaging or visit the official COWSAR website for support details.
We are dedicated to ensuring your comfort and satisfaction with your COWSAR product.







