DualHeat

DualHeat is a Bluetooth control app specifically designed for parking heaters. Whether it's a diesel, gasoline, or gas heater, simply connect your phone via Bluetooth Low Energy (BLE) to control the temperature inside your vehicle anytime, anywhere—ideal for RVs, vans, off-road vehicles, boats, and outdoor campsites.

DualHeat supports dual-channel heating control ("water heating + air heating"), allowing you to complete all operations from power-on, temperature control to diagnostics within a single app, eliminating the need for cumbersome physical buttons.

【Main Functions】
• One-click power on/off: Remotely start or stop the heater with your phone for easier preheating and heat preservation.

• Precise temperature control: Freely set target temperatures (air outlet temperature / water temperature), with real-time temperature display.

• Fan speed adjustment: Freely switch between multiple fan speeds for customized heating and cooling.

• Mode switching: One-click selection of multiple working modes including water heating, air heating, water heating + air heating, and ventilation.

• Fuel compatibility: Automatically identifies and displays fuel types such as diesel, gasoline, and gas.

• Real-time Monitoring: View key parameters such as operating status, set temperature, and power supply voltage at any time.

• Fault Diagnosis: Displays fault codes and provides Chinese explanations when abnormalities occur, quickly locating the problem.

• Online Firmware Upgrade: Pushes the latest firmware to the heater controller via Bluetooth, continuously optimizing performance.

• Multi-Model Compatibility: Automatically identifies different heater controller models (knob switches, LCD switches, touchscreens, communication boxes, etc.) and enters the corresponding dedicated control interface.

• Bilingual (Chinese/English): Freely switch the application language as needed.

【Demo Mode (No Hardware Required)】 Not connected to a heater yet? No problem. DualHeat has a built-in "Demo Mode," allowing you to enter the complete control interface without any hardware. Intuitively experience all functions such as power on/off, temperature adjustment, and status display, allowing you to understand how to use the app before purchasing or installing the device.

【Simple Three Steps to Use Immediately】
1. Turn on Bluetooth, click "Bluetooth Connection," and select your heater device from the list.

2. After successful connection, the app will automatically recognize the device model and enter the corresponding control interface.

3. Set the temperature, select the mode, adjust the fan speed, and start enjoying the warmth.

【Privacy and Permissions】
DualHeat respects and protects your privacy:

• No account registration required; we do not collect your name, phone number, email address, or other personally identifiable information.

• Bluetooth permission: Used to discover and connect to your heater.

• Location permission: Only required by the system for Bluetooth scanning on older Android versions (Android 11 and below); the app does not read, store, or upload your GPS location.

• The app uploads heater operation and sensor data (including the device's Bluetooth MAC address) to the server solely for device monitoring, fault diagnosis, and product improvement; it is never used for advertising or sales.

• All network communications are encrypted using HTTPS. Please see the app's privacy policy for details.

【Target Audience】
• RV/commercial vehicle/truck owners for winter heating.

• Outdoor enthusiasts such as off-roaders, campers, and fishermen.

• Users of ships, construction vehicles, and other vehicles requiring parking heating.

Make every trip feel like home. Download DualHeat now and take control of your heater.