Editing Block heater (section)

{{short description|Heating system for internal combustion engines to assist in starting in cold weather. }}
[[Image:topazBlockHeater.jpg|thumb|right|Electrical cord for powering a block heater]]
A '''block heater''' is used in cold climates to warm an engine prior to starting. They are mostly used for car engines; however, they have also been used in aircraft engines.

The most common design of block heater is an electrical heating element embedded in the [[engine block]].