Introduction
Thank you for choosing the PerfectAire PAU132 1.32 Gallon Top-Fill Ultrasonic Cool Mist Humidifier. This manual provides important information for the safe operation, maintenance, and troubleshooting of your new humidifier. Please read it thoroughly before use and retain it for future reference.
This humidifier is designed to provide constant, cool visible mist with whisper-quiet operation, helping to maintain a comfortable and healthy environment in your home or office. It features a digital LED display, adjustable humidity control, night-light, sleep mode, essential oil tray, and an 8-hour timer.
Setup
Unpacking
Carefully remove the humidifier from its packaging. Ensure all components are present and undamaged. The package should include the 1.32 Gallon Top-Fill Ultrasonic Cool Mist Humidifier unit.
Placement
- Place the humidifier on a firm, flat, water-resistant surface at least 6 inches (15 cm) away from walls and appliances.
- Do not place the humidifier directly on carpet, towels, or other absorbent surfaces.
- Ensure the mist outlet is not directed at furniture, walls, or electronics.
- The sleek, space-saving design allows it to fit neatly in various settings.
Filling the Water Tank
- Ensure the humidifier is unplugged.
- Remove the top cover of the humidifier.
- Pour clean, cool tap water directly into the water tank opening. Do not exceed the maximum fill line. The 1.32-gallon tank capacity provides up to 50 hours of run time.
- Replace the top cover securely.

Image: The top-fill design of the humidifier, showing water being poured directly into the tank.
Operating Instructions
Control Panel Overview

Image: Close-up of the digital LED control panel with various touch buttons and a numerical display.
The humidifier features an intuitive digital LED display and touch controls for easy operation.
- Power Button (⏻): Turns the unit ON or OFF.
- Mist Level Button (💧): Adjusts the mist output intensity.
- Timer Button (🕒): Sets the operating time (1, 2, 4, or 8 hours).
- Humidity Setting Button (RH): Allows you to set your desired humidity level (recommended 40-60%). The built-in humidistat displays the current relative humidity.
- Night-Light Button (💡): Activates or deactivates the low-intensity blue night-light.
- Sleep Mode Button (🌙): Engages Sleep Mode to shut off the LED screen for undisturbed sleep.
Initial Operation
- Plug the power cord into a standard electrical outlet (115 Volts).
- Press the Power Button (⏻) to turn on the humidifier. The unit will start operating at a default mist level.
- Adjust the mist output by pressing the Mist Level Button (💧).
- Set your desired humidity level using the Humidity Setting Button (RH).
Aromatherapy Function
The humidifier includes an essential oil tray for aromatherapy. Add a few drops of your favorite essential oil to the pad in the tray. The scent will be diffused with the mist, creating a soothing atmosphere.

Image: The humidifier in a room setting, highlighting the aromatherapy option.
Adjustable Mist Nozzle
The mist nozzle on top of the unit can be rotated to direct the mist in your desired direction.
Video: Demonstrates the key features of the PerfectAire Top-Fill Ultrasonic Humidifier, including the adjustable mist nozzle and digital controls.
Maintenance
Regular cleaning is essential for optimal performance and to prevent mineral buildup and bacterial growth.
Daily Maintenance
- Empty the water tank and rinse thoroughly.
- Wipe the inside of the tank and the base with a clean, dry cloth.
- Refill with fresh, cool water before each use.
Weekly Cleaning
- Unplug the humidifier.
- Remove the top cover and empty any remaining water.
- To clean the water tank: Fill the tank with 1 cup of white vinegar and let it soak for 20 minutes. Rinse thoroughly with clean water.
- To clean the nebulizer/ultrasonic disk: Gently wipe the nebulizer with a soft brush or cotton swab dipped in white vinegar. Do not scrape or use abrasive materials.
- Rinse all components thoroughly with clean water and dry completely before reassembling.
Active Carbon Filter
The humidifier includes an active carbon filter. Check the filter regularly and replace it as needed, typically every 2-3 months depending on usage and water quality. Refer to the filter replacement instructions provided with the replacement filter.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or low mist output. |
|
|
| Unusual odor. |
|
|
| Water leakage. |
|
|
| White dust around humidifier. |
|
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | 1.32 Gallon Top-Fill Ultrasonic Cool Mist Humidifier - LED Digital Controls |
| Model Number | PAU132 |
| Brand | PerfectAire |
| Operation Mode | Ultrasonic |
| Capacity | 1.32 Gallons |
| Run Time | Up to 50 hours |
| Product Dimensions | 6"D x 6"W x 15"H |
| Item Weight | 4.5 Pounds |
| Voltage | 115 Volts |
| Wattage | 24 watts |
| Special Features | Quiet operation, LED Digital Controls, Night-Light, Aromatherapy, Auto Shut-Off, Timer, Top-Fill Design |
| Included Components | 1.32 Gallon Top-Fill Ultrasonic Cool Mist Humidifier - LED Digital Controls |
| Material Type | Plastic |
Warranty and Support
Warranty Information
Specific warranty details for the PerfectAire PAU132 humidifier are typically provided with the product packaging or on the manufacturer's official website. Please refer to these sources for the most accurate and up-to-date warranty terms and conditions.
Customer Support
For technical assistance, replacement parts, or any questions regarding your PerfectAire humidifier, please contact PerfectAire customer support. Contact information can usually be found on the product packaging or the official PerfectAire website.
You may also visit the PerfectAire Store on Amazon for more product information and support resources.