• Solutions for Diesel Pickup Trucks
    Caption BG
    Solutions for Diesel Pickup Trucks

    Ventech LHGs are being installed on pickups, lengthening engine life, improving Diesel Particulate Filter (DPF) Regeneration and providing quick defrost to the windshield and quick comfort for the occupants.


  • Beat the Cold Bus Blues
    Caption BG
    Beat the Cold Bus Blues

    Up to 90,000 BTUs of cabin heat within 15 minutes of start-up. More heat in less time. The LHG has no fuel lines, No emissions. Reduced idling, fuel consumption and engine wear and maintenance.

  • Solutions for Diesel Generators
    Caption BG
    Solutions for Diesel Generators

    Eliminate generator wetstacking and give your engine a boost in cold weather applications with the Ventech LHG.

  • LHGs for the Harshest Climates
    Caption BG
    LHGs for the Harshest Climates

    The Arctic LHG enables a vehicle to reach and maintain operating temperatures even in the harshest climates. Tested and proven on the Northern Slopes of Alaska.

  • Solutions for Industrial Equipment
    Caption BG
    Solutions for Industrial Equipment

    The LHG by Ventech has been applied to many Industrial equipment needs, delivering longer engine life, and a more comfortable environment for crews.

  • Auxiliary Power Units
    Caption BG
    Auxiliary Power Units

    Ventech LHGs are working in the harshest climates as a critical component of the Puritan Arctic Heat Generator. These APUs are helping to keep truckers and their trucks operating at peak performance.

Introducing the Ventech Liquid Heat Generator (LHG)

The Ventech Liquid Heat Generator (LHG) is a revolutionary Rapid Auxiliary Heating System available for many vehicle applications.
The Ventech LHG provides near instant heat for comfort and safety of the vehicle  occupants. Vehicle Warm Up times are typically reduced by over 50% or more.

The Ventech LHG helps solve key issues in many transportation and vehicle applications.

This includes reduced idling, less fuel consumption, decreased emissions, and improved engine life-cycle resulting in cost reductions and improved air quality.

The Ventech LHG can significantly improve the Diesel Particulate Filter (DPF) Regeneration process.

The Ventech LHG is not a fuel-fired heater. It uses no combustion, has no fuel  lines, and does not require maintenance.

Learn More


  • Close-to-instantaneous Engine & Cabin Heat
  • ~50% Reduction in Warm-Up Time
  • ~50% Less Idling
  • Rapid Windshield Defrost
  • Significant Improvement in Comfort & Safety
  • Less Emissions & Wasted Fuel
  • Improved DPF Regeneration
  • No Flame, No Fuel Lines, No Exhaust, No Maintenance
  • Installs in 2-4 Hours

The Ventech LHG is Low Cost, Simple, and Very Effective, producing > 45,000 Btu’s within seconds of engaging

Learn More

From Our Blog

More News