MENU Home / Thermo King / APU AUXILIARY POWER UNITS Thermo King’s Auxiliary Power Units (APUs) offer increased driver comfort, greater fuel savings, better driver recruitment/retention, idle reduction, lowered maintenance costs and higher tractor residual values. Built on the industry-leading Thermo King TriPac auxiliary power unit, the TriPac Evolution provides low operating costs, easy operation and true peace of mind. Final Tier IV Maximum Driver Comfort Significant Fuel Savings Reduced Tractor Idling Unrivaled Performance Easy Operation Custom Configuration Options Download A Brochure A clean, reliable, all-electric APU saves fuel and delivers driver comfort previously unavailable in an electric unit. Longest all-electric runtime in the industry Superior battery life Clean, quiet comfort Significant fuel saving Reduced tractor idling Increased power and runtime Easy operation Custom configuration options Download A Brochure WHY DO YOU NEED AN APU? Thermo King’s next-generation APUs provide virtually unlimited sleeper cab heating and air conditioning while reducing tractor idling and lowering maintenance costs. In addition to delivering significant fuel savings, the Thermo King APU is a valuable driver recruitment and retention tool, offering maximum driver comfort while out on the road. See why Thermo King is the number one APU provider in the industry and the number one choice of drivers everywhere! COMFORT 93% Of drivers are more satisfied when operating a truck with an APU. MAINTENANCE 75% Of tractor downtime is attributed to emissions systems maintenance. FUEL 85% Reduction of fuel used during idling. WHICH APU IS RIGHT FOR YOU? Question 1: In your 11-hour drive day, how many hours are spent actually driving (highway time)? 6 or Less More than 7 Question 2: Do you conduct 34 hour reset on the road? YES NO Question 3: Do you curently have a 270 amp or greater alternator on your tractor? YES NO HOW DID YOU SCORE? Parts & Service TriPac Evolution was designed with an unequaled 2000-hour maintenance interval, allowing maintenance to be performed every other time that maintenance is performed on the tractor, saving time and eliminating additional downtime for APU maintenance. Have Questions about Thermo King’s TriPac Evolution or Envidia? Contact your local CSTK location and connect with an expert! Find Nearest Location SOLUTIONS Thermo King Construction Equipment Truck Equipment Horse/Stock Trailers Refrigerated Rentals Other Solutions INVENTORY CAREERS BLOG CONTACT US LOCATIONS CSTK Bethlehem CSTK Kansas City CSTK Oklahoma City CSTK Philadelphia CSTK Scranton CSTK St. Louis CSTK Vineland CSTK Wichita CALL FOR SERVICE: (888) 566-5743 HEADQUARTERS 10983 Granada Lane #210 Overland Park, Kansas 66211 Phone: 913-233-7220 Fax: 913-233-7221 info@cstk.com © 2021 CSTK. All Rights Reserved Privacy Terms