Trusted Across Industry.

From utility substations to commercial HVAC to hotels and water parks; experts from a variety of fields agree on one thing: great products make for better production, more reliable service and an overall better experience for employees, facilities and customers alike.

That’s why so many leading experts trust the Douglas Thermal Fluid’s line of products. Propylene or Ethylene based with a variety of operating temperatures, these versatile fluids keep your facility or equipment running at peak efficiency with minimum downtime.

Closed-loop, water-based heating & cooling applications:

  • Snow melt systems
  • Hydronic heating
  • Thermal energy storage
  • Ground source heat pumps (geothermal storage)

Other Applications

  • Solar heating
  • Fire water sprinkler systems
  • Winterization of recreational vehicles and marine engines
  • Chilled water systems
  • Ice skating rinks
  • Commercial HVAC

  • Pharmaceutical Processing

  • Hydronic Heating

  • Snow Melting

  • Utility Substations