RankNameRatingMore Info
1HP2000 Auxillary Power Unit3.953.953.953.953.95
2Willis APU3.983.983.983.983.98
3Thermo King Tripac APU3.
4Carrier APU3.733.733.733.733.73
5Dynasys APU2.612.612.612.612.61
Overall Rating33333
Effectiveness (AC & Heat)2.672.672.672.672.67

TriPac E (electronic)

Electric Auxiliary Idle Reduction and Temperature Management System Specifications Capacities Cooling Capacity 7,200 BTU/hr Heating Capacity 7,500 BTU/hr General Weight 505 lbs. (Batteries Included) Cost Savings: The TriPace is an electric, battery-based APU system, which means significant savings on fuel. Reduced operation of the tractor engine also delivers cost savings on maintenance. Clean, Quiet Operation: […]

Overall Rating3.
Effectiveness (AC & Heat)3.973.973.973.973.97

HP2000 Auxillary Power Unit

SUPER EFFICIENT AND QUIET HEAT PUMP SYSTEM For over 15 years, the HP2000 has proven to be the most capable, dependable and cost effective APU on the market.  The HP2000’s patented heat pump technology provides both heating and cooling to the truck’s cab and does not require an additional heating system like most other APUs. Parks […]

Overall Rating1.331.331.331.331.33
Effectiveness (AC & Heat)11111

ProMax APU – Discontinued

The ProMax APU   The ProMax APU. Every component of this APU was selected to provide you with instant comfort, restful sleep and rugged reliability. There are many reasons why ProMax APU is the choice of professional drivers nationwide: The most powerful heating and cooling capacity: 33,000 BTU for both heat and air conditioning Powerful […]

Overall Rating4.
Effectiveness (AC & Heat)3.943.943.943.943.94

Willis APU

WPS Premium Auxiliary Power Unit State of the art design that makes no compromises to provide maximum comfort and power. Eliminates the need for all non operational idling Three cylinders of silent power. As much as twice the power of competing systems. Low net diesel fuel usage Provides optimum comfort Reduces the total hours of […]

Overall RatingNo Ratings
QualityNo Ratings
DependabilityNo Ratings
ServiceabilityNo Ratings
Effectiveness (AC & Heat)No Ratings

Blue Aire APU – Discontinued

This appears to be another Comfort Master knockoff. Take a look at the images below to decide for your self. Their address comes back as  “Weldmation” a company that was previously licensed to manufacture Comfort Master but was unable to meet their obligations. As always, buyer beware. It is typically the consumer who ends up […]

Overall Rating2.652.652.652.652.65
Effectiveness (AC & Heat)2.732.732.732.732.73

Dynasys APU

Dynasys Auxiliary Power   Dynasys – The Best Solution to Engine Idling Idling a Class 8 truck engine for in-cab comfort is extremely costly. It increases fuel costs, engine hours and overall truck wear. This leads to an increase in service cost and engine maintenance. With Dynasys auxiliary power, you can shut down your engine and […]

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