Introduction
Thank you for choosing the OEMTOOLS 23970 10,600 CFM Variable Speed Evaporative Cooler. This unit is designed to provide efficient cooling for large areas up to 2500 square feet by circulating hot air through heat-absorbing panels and returning cool air. Featuring a 31-gallon water reservoir for extended operation, variable speed control, and an air swing function, this portable cooler is suitable for both indoor and outdoor environments. This manual provides essential information for the safe and effective setup, operation, and maintenance of your evaporative cooler.

Main view of the OEMTOOLS 23970 10,600 CFM Variable Speed Evaporative Cooler.
Safety Information
Please read and understand all safety instructions before operating the evaporative cooler. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Always unplug the cooler from the power outlet before performing any maintenance, cleaning, or when the unit is not in use.
- Do not operate the cooler with a damaged power cord or plug. If the cord is damaged, it must be replaced by the manufacturer or a qualified service agent.
- Ensure the power outlet matches the voltage requirements of the cooler (110V AC).
- Do not immerse the cooler or its electrical components in water or other liquids.
- Keep hands, hair, and loose clothing away from moving parts, such as the fan blades, during operation.
- Place the cooler on a stable, level surface to prevent tipping.
- Ensure adequate ventilation around the unit. Do not block air intake or exhaust vents.
- Do not overfill the water reservoir. Use clean, cool water only.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory, or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
- Evaporative coolers are most effective in dry, hot climates and may not perform as well in humid environments.
Components
The OEMTOOLS 23970 Evaporative Cooler includes the following main components:
- Evaporative Cooler Unit
- Casters (pre-installed or requiring assembly)
- Water Reservoir (integrated)
- Cooling Pads (integrated)
- Control Panel
- Remote Control
- Power Cord
Setup
Follow these steps to set up your evaporative cooler for first use:
- Unpack the Unit: Carefully remove the cooler and all accessories from the packaging. Retain packaging for future storage or transport.
- Attach Casters: If not pre-installed, attach the four casters to the designated slots on the bottom of the cooler. Ensure they are securely fastened. The casters allow for easy mobility of the unit.
- Position the Cooler: Place the cooler on a flat, stable surface in a well-ventilated area. For optimal performance, position the unit where it can draw in fresh, dry air. Avoid placing it in enclosed spaces or areas with high humidity.
- Fill the Water Reservoir: Locate the water input cover on the side of the unit. Open the cover and fill the 31-gallon reservoir with clean, cool water. Do not exceed the maximum fill line indicated inside the reservoir. For enhanced cooling, ice cubes can be added through the dedicated ice cube input.
- Connect Power: Plug the power cord into a standard grounded 110V AC electrical outlet.

Close-up view of the 'ICE CUBE INPUT' and 'WATER INPUT' panels for filling the reservoir.
Operating Instructions
Operating your OEMTOOLS evaporative cooler is straightforward:
- Power On/Off: Press the POWER button on the control panel or the remote control to turn the unit on. Press it again to turn the unit off.
- Adjust Fan Speed: Use the SPEED buttons on the control panel or remote to cycle through the available variable fan speeds. Select a speed that provides your desired level of cooling and airflow.
- Activate Air Swing: Press the SWING button to activate the air swing function. The internal louvers will oscillate, distributing cool air across a wider area. Press the button again to stop the swing function.
- Monitor Water Level: The cooler will operate most efficiently when the water reservoir is adequately filled. Check the water level indicator periodically and refill as needed. The 31-gallon reservoir provides 4-6 hours of continuous cooling.
- Remote Control Usage: Point the remote control towards the cooler's receiver to operate all functions from a distance. Ensure there are no obstructions between the remote and the unit.
Maintenance
Regular maintenance ensures optimal performance and extends the life of your evaporative cooler.
Daily/Weekly Maintenance:
- Check the water level and refill the reservoir as necessary.
- Ensure the cooling pads are visibly wet during operation.
Monthly Maintenance:
- Unplug the Unit: Always disconnect the power cord before any maintenance.
- Drain the Reservoir: Locate and open the drain plug at the bottom of the unit to completely empty the water reservoir.
- Clean the Reservoir: Clean the interior of the water reservoir with a mild detergent and water to prevent the buildup of algae, mold, and mineral deposits. Rinse thoroughly with clean water.
- Inspect and Clean Cooling Pads: Carefully remove the cooling pads (refer to the unit's specific design for access). Rinse them with clean water to remove dust and mineral buildup. If pads are heavily soiled or damaged, consider replacing them. Ensure pads are reinstalled correctly.
- Clean Exterior: Wipe down the exterior surfaces of the cooler with a soft, damp cloth. Do not use abrasive cleaners or solvents.
Seasonal Storage:
- Before storing the cooler for an extended period, perform a thorough cleaning as described in the monthly maintenance section.
- Ensure the water reservoir and cooling pads are completely dry to prevent mold and mildew growth.
- Store the unit in a cool, dry place, protected from dust and extreme temperatures.
Troubleshooting
If you encounter issues with your OEMTOOLS evaporative cooler, refer to the following troubleshooting guide:
| Problem | Possible Cause | Solution |
|---|---|---|
| Cooler does not turn on | No power supply Power cord not properly connected Unit is off | Check if the power outlet is functional. Ensure the power cord is securely plugged into the unit and the outlet. Press the POWER button on the control panel or remote. |
| Insufficient cooling | Low water level Cooling pads are dry or clogged High ambient humidity Fan speed too low | Refill the water reservoir. Inspect and clean/replace cooling pads. Evaporative coolers are less effective in humid conditions. Increase the fan speed setting. |
| Unusual noise | Obstruction in fan blades Unit not on a stable surface Loose components | Unplug and check for debris in the fan area. Place the unit on a flat, stable surface. Contact customer support if noise persists after checking. |
| Water leakage | Reservoir overfilled Drain plug not secure Damaged reservoir | Do not exceed the maximum fill line. Ensure the drain plug is tightly closed. Contact customer support for inspection. |
Specifications
Technical specifications for the OEMTOOLS 23970 Evaporative Cooler:

Detailed specifications for the OEMTOOLS 23970 Evaporative Cooler.
| Feature | Specification |
|---|---|
| Brand | OEMTOOLS |
| Model Name | 23970 |
| Air Flow Capacity | 10,600 Cubic Feet Per Minute (CFM) |
| Cooling Area | Up to 2500 Square Feet |
| Water Reservoir Capacity | 31.6 Gallons |
| Run Time (on full reservoir) | 4-6 Hours |
| Voltage | 110 Volts |
| Noise Level | 30-70 Decibels |
| Product Dimensions (L x W x H) | 55.5" x 38.5" x 27.5" |
| Item Weight | 165 Pounds |
| Special Features | Air Swing Design, Variable Speed Fan, Remote Control |
| Mounting Type | Freestanding |
Warranty and Support
For warranty information or technical support regarding your OEMTOOLS 23970 Evaporative Cooler, please refer to the documentation included with your purchase or visit the official OEMTOOLS website. You can also contact OEMTOOLS customer service directly for assistance with product inquiries, parts, or service.




