Say goodbye to frosty windows and a cold car. Stay warmer, safer and more comfortable with the world's best selling heating and charging system.

WarmUp benefits:

A smiling couple in a car on a winter road

More comfort

  • A warmer vehicle every day
  • Less ice & snow on the windows

If you have access to a power outlet, WarmUp lets you heat your vehicle at any time. Set your desired departure times with the DEFA app or the Futura control unit.

Morning sun shining on car in winter

A happier vehicle

  • Reduced engine wear
  • A charged battery*

A heated engine is easier to start, better lubricated, and runs more efficiently. Regular charging ensures that your vehicle is more likely to start.

*Must be connected to functional 120V outlet.
Children holding hands in winter sunset

A healthier environment

  • Up to 24% reduced fuel consumption
  • Up to 71% reduced emissions

A heated engine and a regularly charged battery lowers fuel consumption, increases the life expectancy of the battery, and reduces harmful emissions.

How it works:

Bluetooth® control:

Build your own kit:

A modular system that can be customized for your desired comfort level

WarmUp levels illustration

From the basic kit to the most comprehensive one, this scalable product lineup allows you to select your preferred comfort level, save fuel, and reduce emissions.

App control:

WarmUp Bluetooth®

  • Control your system within Bluetooth® range (near the vehicle.)*
  • Preset heating for two daily departure times
  • Monitor the outside temperature**
  • Monitor the battery status**
  • Receive an alert if the cable is connected when the car is started**

To use WarmUp Bluetooth®, you must first download the DEFA app, which is available for iOS and Android. Download it for free from the App Store or Google Play ***. WarmUp Bluetooth® does not require a subscription.

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Engine heater

The engine heater heats the engine and motor oil, ensuring better lubrication and reduced friction. This reduces wear and fuel consumption. Note! Must be ordered separately.

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Interior heater

The Termini™ interior heater ensures that your vehicle’s interior is heated to a more comfortable temperature and that there are less ice and fog on your windows. A smart heating system reduces energy consumption.

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Onboard charger

The MultiCharger keeps your battery charged*. This helps ensure that your vehicle will have the power necessary to start your vehicle, and extends battery life.
*Must be connected to functional 120V outlet.

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Start smarter with DEFA WarmUp


* Range may be affected by walls and terrain.
* For smartphones with Bluetooth® Low Energy.
** Your Smartphone must be paired with DEFA Bluetooth® Hub.
*** Refer to the App Store or Google Play to see which Android and iOS versions that are currently supported. Please note that OS requirements are subject to change without notification.