heizen
to heat
To warm a room, building, or water using a heating system in order to reach a comfortable temperature.
EXAMPLE
Im Winter müssen wir das ganze Haus heizen.
In winter, we have to heat the whole house.
heizen
to heat / speed
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Meanings
heizen
to speed
Colloquial for driving very fast or moving at high speed.
EXAMPLE
Er ist mit 180 km/h über die Autobahn geheizt.
He sped down the highway at 180 km/h.
Usage tips
Word family
The verb 'heizen' (to heat) belongs to the word family of 'die Heizung' (the heating/heating system). 'Die Heizung' is the system or device you use to heat.
EXAMPLE
Die Heizung ist kaputt, deshalb können wir nicht heizen.
The heating system is broken, so we can't heat the place.
Auxiliary in the perfect tense
The auxiliary verb in the perfect tense depends on the meaning. For 'erwärmen' (to warm/heat), use 'haben'; for 'schnell fahren' (to drive fast), use 'sein' because it is a movement.
EXAMPLE
Wir haben den ganzen Tag nicht geheizt.
We didn't heat the place all day.
Heating with ...
To specify the material or energy source used for heating, use the preposition 'mit' followed by the dative.
EXAMPLE
Viele alte Häuser heizen noch mit Öl.
Many old houses still heat with oil.
Colloquial style
The meaning 'to drive very fast' is colloquial. In formal contexts or written language, you would use 'rasen' (to race/speed) or 'schnell fahren' (to drive fast) instead.
EXAMPLE
Der Motorradfahrer ist laut hupend um die Ecke geheizt.
The motorcyclist sped around the corner, honking loudly.
Compare with
heizen vs fahren
to drive / ride
Fahren describes moving by vehicle but by itself says nothing about the speed. Heizen is a colloquial term for driving very fast or at high speed. Fahren is suitable for a neutral statement; heizen can be used when the very high speed is being emphasized.
heizen
Tom heizt mit dem Auto viel zu schnell über die Landstraße.
Tom is speeding far too fast along the country road.
fahren
Tom fährt mit dem Auto ruhig über die Landstraße.
Tom is driving calmly along the country road.
In real life
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