Car connected to DEFA WarmUp next to frozen cars in parking lot

Easy to sell. Easy to install. Discover DEFA WarmUp

What is DEFA WarmUp?

WarmUp is the world leading electrical preheating and charging solution, that has been sold with all major car brands in the Nordic region since 1950.

It offers your customers increased comfort and convenience, a better value, and a more environmentally friendly car.

For our Dealership partners it leads to increased revenue and happier customers!


A WarmUp system consists of 3 modular components, which can be used interchangeably. The system can be easily controlled by the DEFA app.

PTC contact heater

Engine heater

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

Termini 1400

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.

MultiCharger 1203X

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.

DEFA app Bluetooth

Bluetooth® App Control

  • 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.

Here are the benefits of DEFA WarmUp:

Man scraping frozing windshield of car

Increased comfort and convenience

  • Contributes to ice free windows.
  • A preheated compartment gives a warm cozy start to your journey.
  • A fully charged battery for a reliable and safe start under any weather conditions.

Increased value

  • The WarmUp system contributes to less fuel consumption*
  • No wasted fuel due to idling
  • Less wear on the battery and engine extends the lifetime of your car.

*Up to 24% in the first 20 minutes

A smiling couple in a car on a winter road
Children holding hands in winter sunset

A more environmentally friendly car

  • A preheated car reduces harmful emissions by up to 71% in the first 20 minutes of the drive
  • A car releases the same number of harmful emissions in the first 30 seconds after a cold start as in 190 miles of driving with a warm engine.

How is WarmUp contributing to less fuel consumption, less harmful emissions and also contributing to extending the lifetime of your engine? Read more

Easy installation by authorized dealers and workshops

  • The WarmUp system is available for most vehicles in North America and can be installed in your workshop with ease.
  • Selling a WarmUp system as an accessory for new (and pre-owned) vehicles represents additional revenue and retention from customers. Warming up your customers has never been easier.
Car mechanic working on a car

WarmUp in 1-2-3

Watch this video to better understand the benefits of a WarmUp system

Couple in a car dealership reviewing features

Become a dealer

Starting in November, DEFA is running a campaign in Canada, promoting the benefits of DEFA WarmUp and guiding consumers to the DEFA website, encouraging them to “find their Dealer” via links to their associated manufacturer Dealer locater webpage.

It is anticipated that a heightened amount of consumer interest may be in touch with you directly as a result of the campaign.  Make sure that every hot lead for WarmUp does not go cold this winter.

Get in touch

Yes, I would like to learn more about DEFA WarmUp and how I can sell and install this system. Please get in touch with me!


* 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.