Answer
Dec 03, 2024 - 08:37 AM
A block heater is generally recommended when temperatures drop below 5°F (-15°C) to help ensure easier engine starting and reduce wear on the engine. However, some people choose to use a block heater at slightly higher temperatures, around 20°F (-7°C), for improved fuel efficiency and quicker warm-up times. The specific temperature at which you might decide to use a block heater can also depend on the make and model of your vehicle and your personal preferences.
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