Auxiliary Power Units (APUs)

Carrier’s auxiliary power units (APUs) are the trucking industry’s all-around performance leaders. No other APU offers the combination of air conditioning, heating, cab power, engine warming, truck battery charging and optional shore power connectivity found in the ComfortPro diesel or electric units.

Diesel: ComfortPro APU

The diesel powered ComfortPro APU offers comfort without compromise, making it an industry benchmark for a fully-featured APU. This unit saves nearly a gallon of fuel per hour, compared to idling the truck engine and extends service intervals while reducing wear and tear on your engine. ComfortPro APUs also minimize risk of costly fines associated with anti-idling regulations while simplifying compliance.  

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Electric: ComfortPro APU

The electric powered ComfortPro APU quietly cools the cab for driver comfort throughout the night, during breaks and rest periods using energy supplied by the tractor. This low maintenance system has  up to 11 hours runtime with comfort monitor and is compatible with shore power and is customizable for heating, power and more. 

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