It's compact size allows for an easy and simple installation in the tool or luggage compartment in most sleeper cabs. This system typically runs for about 21 - 23 hours on a gallon of diesel fuel and comes with a 3 year warranty. It is activated by a thermostat or rheostat switch which cycles the heater through it's various heat levels called for by the operator, the switch is usually mounted in the bunk compartment. For bigger walk-in sleepers consider Espar's D3LC compact . These heaters raise the temperature of the engine's coolant gradually, assuring an even heating of the engine block.
Warm starts reduce engine stress and wear and reduce battery demand.
With a preheater you will have smooth starts every time. No more coughing and sputtering the engine when trying to start it. This means increased fuel efficiency and a cleaner environment. Espar's 7 day timer Espar's 7 day timer enables you to preset your engine pre-heater heater to come on at any time up to 7 days in advance, so, while your busy having breakfast, your heater is busy warming your vehicle. The timer also comes equipped with a fault code retrieval device enabling you to troubleshoot any problems should they occur.