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How does the heat work in a Chevy Volt?

The Chevy Volt is a plug-in hybrid electric vehicle that uses both an electric motor and a gasoline engine to power the vehicle. The heat in a Chevy Volt is generated through a combination of the electric motor, the gasoline engine, and a dedicated heating system.


Electric Motor Heating


The Chevy Volt's electric motor generates heat as a byproduct of its operation. This heat is captured and used to warm the cabin of the vehicle. The electric motor's heat is circulated through a coolant system and then distributed throughout the cabin using the vehicle's HVAC (heating, ventilation, and air conditioning) system.


Gasoline Engine Heating


When the Chevy Volt's gasoline engine is running, it also generates heat that can be used to warm the cabin. The engine's coolant system circulates the heat from the engine to the HVAC system, which then distributes the warm air throughout the cabin.


Dedicated Heating System


In addition to the heat generated by the electric motor and gasoline engine, the Chevy Volt also has a dedicated heating system that can be used to supplement the cabin heating. This system uses an electric heater to generate additional heat, which is then circulated through the HVAC system.


Heating Modes


The Chevy Volt has several heating modes that the driver can select from, depending on their needs and the current driving conditions:



  • Electric-only Heating: When the Volt is operating in all-electric mode, the cabin is heated using only the heat generated by the electric motor.

  • Hybrid Heating: When the gasoline engine is running, the heat from both the electric motor and the engine is used to warm the cabin.

  • Supplemental Heating: The dedicated electric heater can be used to provide additional heating when the electric motor and gasoline engine are not generating enough heat to keep the cabin warm.


The Chevy Volt's heating system is designed to provide efficient and effective cabin heating, regardless of the driving mode or environmental conditions.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.