A better way to start the day

Stay warm through winter with the world's best selling electrical preheating system.

You get:

Smiling couple in car on winters day

More comfort

  • A pre-warmed car, every morning
  • Windows free of ice and snow

Set your regular departure times in the DEFA app and have your car heated and ready when it’s time to leave.

Car on winter road in sunrise

A happier car

  • Reduced engine wear
  • A reliable start with a charged battery

A heated engine starts easier, is better lubricated and more efficient. Regular charging ensures that your car will always start.

Children holding hands in sunset on winter road

A better environment

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

A preheated engine and a charged battery increases efficiency, lowers consumption and reduces your emissions.

Choose your control method:

DEFA WarmUp app, GPS Link control function

WarmUp GPS Link

  • Control your system from anywhere in the world
  • Preset heating for up to 6 daily departure times
  • Monitor temperature inside and outside the vehicle
  • Monitor battery status and be alerted if the battery runs low
  • Receive an alert if power is not connected

Only with GPS Link:

  • Security – Receive alerts if your car is stolen or moved
  • Finder – Locate your car and forward coordinates
  • Speed Alert – Receive alerts if a set speed limit is exceeded

WarmUp GPS Link is a subscription service.
See prices and subscription information.
The DEFA app is available for Android and iOS.

DEFA WarmUp app, bluetooth control function

WarmUp Bluetooth®

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

* Range may be affected by walls and terrain.
** Within Bluetooth range

WarmUp Bluetooth does not require a subscription.
The DEFA app is available for Android and iOS.

How it works