• See the Peregrine DS & DSW Engine Coolant Heaters in Build
  • Preheat Engineering’s FALCON Heater is Built to Last
  • Custom Diesel Emission Fluid (DEF) / AdBlue Heaters
  • Preheat Engineering is Featured in AMPS Power Magazine
  • Thames Stockholders Support Preheat Engineering with High-Quality Materials
  • Preheat’s New Solid-State Thermostats