External Coolant Heater

The External Coolant Heater is a fuel-fired heater added to the vehicle’s coolant system that heats the coolant to operating temperature without running the engine, and will also run the coolant pump as needed. The External Coolant Heater can be programmed and scheduled as required, or based on specific conditions.

GRIP external coolant heater

Features & Benefits


Ready to reduce your fleet's idling?

Reduce idling within your fleet and start saving on wasted fuel consumption, maintenance costs, vehicle life and more.

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Pilot the GRIP System

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Enjoy a Free
Fleet Review
Based on your fleet makeup and documented industry standards, we’ll identify how much your fleet is idling, how much it’s costing you, wasted fuel, engine wear, and CO2 emissions.