Introduction
This manual provides essential instructions for the safe and efficient operation, installation, and maintenance of your Hisense API0825UW1D Smart Inverter Twin Hose 8,000 BTU (DOE) 350 SF Heat/Cool Tower Portable Air Conditioner. Please read this manual thoroughly before using the appliance and retain it for future reference.
The Hisense API0825UW1D is designed to provide year-round climate control with powerful cooling and efficient supplemental heating, featuring advanced inverter technology for energy efficiency and quiet operation. It includes a built-in twin hose system for easy installation and smart control capabilities.

Figure 1: Hisense Hi-Tower Portable AC, designed for year-round comfort.
Safety Information
Important Safety Instructions:
- Always connect the unit to a grounded power outlet with the correct voltage.
- Do not operate the unit with a damaged power cord or plug.
- Ensure proper ventilation around the unit. Do not block air inlets or outlets.
- Keep flammable materials away from the appliance.
- Do not insert objects into the air outlets.
- Unplug the unit before cleaning or performing any maintenance.
- 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.
Package Contents
Verify that all components are present in the package:
- Hisense API0825UW1D Portable Air Conditioner Unit
- Installation Kit (includes twin hoses and adjustable window adapter panels)
- Remote Control
- User Manual (this document)
Product Features
- Ultimate All-Season Comfort: Provides powerful cooling for summer and efficient supplemental heating for winter using advanced heat pump technology.
- Extended Reach Cooling: High-performance vertical cross-flow fan delivers cool air up to 21 feet with 60-degree wide coverage for even cooling.
- Effortless Installation: Built-in twin hose system and snap-in window kit for quick setup.
- Drain Free (Self-evaporative technology): Automatically evaporates condensation for maintenance-free operation in most climates.
- Smart Inverter Technology: Advanced variable speed motor optimizes energy efficiency, minimizes noise, and provides precise temperature control.
- Hassle-Free Drainage: Elevated drain-hose connector allows for continuous drainage with a standard garden hose, ideal for heating and dehumidifying modes.
- Smart Control: Compatible with Alexa and Google Home Voice, and controllable via the ConnectLife mobile app.
- Special Features: Includes Dehumidifier, Filter Light Reminder, and Sleep Mode.

Figure 2: Inverter Technology for energy-efficient, stable temperature, and quiet operation.

Figure 3: ConnectLife App Enabled for mobile control anytime, anywhere.

Figure 4: Extended Reach Cooling with advanced vertical airflow, covering wider and farther areas.

Figure 5: Self-Evaporation System, eliminating the need for manual draining of condensation.

Figure 6: Elevated Drain-Hose Connector for effortless continuous water removal.
Setup and Installation
The Hisense API0825UW1D features a built-in twin hose system and a snap-in window kit for straightforward installation.
- Unpack the Unit: Carefully remove the air conditioner and all accessories from the packaging.
- Position the Unit: Place the portable air conditioner on a flat, stable surface near a window and a grounded electrical outlet. Ensure there is at least 20 inches (50 cm) of space around the unit for proper airflow.
- Install Vent Panel Accessories: Insert the adjustable window adapter panels into your window opening. These panels are designed to fit both horizontal and vertical sliding windows. Adjust them to securely fit the window frame.
- Connect Twin Hoses: Attach the built-in twin hoses to the vent panel accessories. Ensure a secure connection to prevent air leakage. The twin hose system allows for both intake and exhaust, improving efficiency.
- Close the Window: Close the window against the installed vent panel to seal the opening.
- Power Connection: Plug the power cord into a grounded 115V/60Hz electrical outlet.

Figure 7: Built-in Twin Hoses for effortless installation in various window types.
Operating Instructions
Your Hisense portable air conditioner can be controlled via the control panel on the unit, the included remote control, or through the ConnectLife mobile app, and voice commands with Alexa or Google Home.
Control Panel and Remote Control
- Power Button: Press to turn the unit ON or OFF.
- Mode Button: Cycle through operating modes: Cool, Heat, Dehumidify, Fan.
- Temperature Adjustment: Use the Up/Down arrows to set the desired temperature.
- Fan Speed: Adjust fan speed (Low, Medium, High, Auto).
- Sleep Mode: Activates a quiet, energy-saving mode for comfortable sleep.
- Timer: Set a timer for automatic ON/OFF operation.
Smart Control (ConnectLife App, Alexa, Google Home)
For advanced control and smart home integration:
- Download ConnectLife App: Search for "ConnectLife" in your smartphone's app store and install it.
- Register/Log In: Create an account or log in to the ConnectLife app.
- Add Device: Follow the in-app instructions to add your Hisense API0825UW1D portable air conditioner. This typically involves putting the unit into pairing mode.
- Voice Control Setup: Once connected to the ConnectLife app, link your ConnectLife account to your Amazon Alexa or Google Home app to enable voice commands.
Maintenance
Regular maintenance ensures optimal performance and longevity of your air conditioner.
Air Filter Cleaning
- The unit features a Filter Light Reminder to indicate when the filter needs cleaning.
- Turn off and unplug the unit before cleaning the filter.
- Remove the air filter from the back or side of the unit (refer to the diagram in the full manual for exact location).
- Wash the filter with warm, soapy water. Rinse thoroughly and allow it to air dry completely before reinstalling.
- Clean the air filter every two weeks or more frequently depending on usage and air quality.
Condensate Drainage
- The unit's self-evaporative technology typically handles condensation in cooling mode.
- In high humidity conditions or when operating in Dehumidify or Heat mode, manual drainage may be required.
- Connect a standard garden hose to the elevated drain-hose connector at the back of the unit for continuous drainage. Ensure the hose is sloped downwards to allow water to flow out.
Exterior Cleaning
- Wipe the exterior of the unit with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
Troubleshooting
Before contacting customer service, refer to the following troubleshooting guide for common issues:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on. | No power, tripped circuit breaker, power cord not fully plugged in. | Check power supply, reset circuit breaker, ensure power cord is securely plugged in. |
| Unit is running but not cooling/heating. | Window kit not properly installed, dirty air filter, room too large, doors/windows open. | Ensure window kit is sealed, clean air filter, close all doors and windows, check if unit capacity matches room size. |
| Water leakage. | Drain hose not connected or blocked (in Dehumidify/Heat mode), unit not level. | Ensure drain hose is properly connected and clear, check if the unit is on a level surface. |
| Unusual noise. | Unit not level, foreign object inside, fan obstruction. | Place unit on a level surface, check for and remove any obstructions. If noise persists, contact support. |
| Remote control not working. | Dead batteries, obstruction between remote and unit. | Replace batteries, remove any obstructions, ensure remote is pointed at the unit's receiver. |
Specifications

Figure 8: Product dimensions (W 13.2 inch, D 13.8 inch, H 49.4 inch).
| Feature | Detail |
|---|---|
| Brand | Hisense |
| Model Number | API0825UW1D |
| Cooling Power | 8,000 BTU (DOE) |
| Recommended Area | Up to 350 sq ft |
| Voltage | 115 volts |
| Wattage | 910 watts |
| Item Weight | 68.3 pounds |
| Color | White |
| Special Features | Dehumidifier, Filter Light Reminder, Heating & Cooling Function, Sleep Mode |
| Control Method | App, Remote, Voice (Alexa, Google Home) |
| Inverter Type | Has Inverter |
| Seasonal Energy Efficiency Ratio (SEER) | 8.82 |
| Included Components | Installation Kit |
Warranty and Support
This Hisense portable air conditioner comes with a 90 days limited warranty. Please retain your proof of purchase for warranty claims.
For technical support, troubleshooting assistance, or warranty service, please contact Hisense Customer Service. Refer to the official Hisense website or your purchase documentation for the most current contact information.
Online Resources: For additional support, FAQs, and product registration, visit the official Hisense support website.







