The electric APU with superior technology for a complete solution

Idle Free Systems offers a complete electric APU solution for idle elimination. It can be used on any brand of truck and is customizable to match your driving conditions. In addition, Idle Free is the only company that offers the exclusive Reefer LinkTM technology for drivers pulling refrigerated trailers.

Product Information
Quick Facts
Full Product Specs
Attached Documentation

The Idle Free system comes pre-assembled and  wired with pre-charged, quick connect Freon lines to simplify installation. The system is significantly less invasive to the truck and installs in about half the time of other systems.


  • Frame Rail System
    • Mounts onto the chassis rail and only requires 18 inches of space, contains 4 AGM batteries, A/C compressor and condenser and optional water heater.
  • Digital Thermostat
    • Mounted inside the bunk, both the A/C and heat are controlled with simple push button controls and an easy-to-read digital display.
  • Evaporator
    • Installs quickly on or in the closet without any ducting for better air flow and cooling capability, making for a quiet and efficient system.
  • Power Module
    • Located under the bunk, contains pure sine wave inverter to convert 12 volt DC into 120 volt electricity and AC/DC power modules to optimize system performance for cooling and heating needs.

Idle Free Advantages vs. Diesel APU’s

  • Save 600 gallons per year vs. a diesel APU
  • No required annual maintenance on the Idle Free system
  • Only requires 18 inches of frame rail space

Idle Free Advantages versus other Electric APU’s

  • 120 volt AC system for constant output at full power
  • Shore power standard
  • Heat for cab, bunk and engine
  • Only requires 18 inches of frame rail space

Reefer LinkTM Technology

  • Patented system
  • The only system on the market that can be run by the Reefer
  • Unlimited run time
  • Weighs about 150 pounds
  • Provides back up starting power for both Reefer and the truck’s batteries

Key Features and Specifications:



  • EPA SmartWay verified technology
  • CARB approved
  • Fuel Savings
    • Save 3000 gallons per year vs. truck engine idling*
    • Save 600 gallons per year vs. a diesel APU**
  • Cooling Capacity
    • 10,000 BTUs/hr
    • Run time of 10 or more hours
    • Patent pending design
  • Heat Capacity
    • 17,000 BTU water heater
    • Cab and bunk
    • Engine pre-heat to eliminate cold starts
  • Batteries
    • 4 deep cycle AGM batteries
    • Recharge time of 4-6 hours
  • Electrical Power
    • 120 volt electricity in bunk with GFI protected outlets
    • Shore power provides unlimited run time
  • System Weight (approximate)
    • 150 lbs for Reefer Link technology
    • 430 lbs with batteries
  • Warranty Summary
    • 2 years parts