DOWFROST™ Heat Transfer Fluids

Inhibited Proplyene Glycols

DOWFROST inhibited propylene glycol-based heat transfer fluid is designed to provide freeze/burst and corrosion protection and heat transfer efficiency in water-based, closed-loop heating and air-conditioning systems. It also contains corrosion inhibitors for HVAC systems.

Find your Heat Transfer Fluids solution from Dow


As the primary DOWFROST distributor, you can count on us for supply and expertise needs. With a potential 20-year lifespan, viability for pharmaceutical and food-grade applications, and no supplemental additives required, DOWFROST is an exceptional fit for cooling systems.

What are the Benefits of DOWFROST?


Free annual fluid analysis and customized reports for systems greater than 250 gallons of concentrate

Made with Dow PuraGuard™ Propylene Glycol USP/EP, one of the highest purity propylene glycols available on the market – with a specified purity of 99.8% or greater

DOWFROST is NSF-certified and all fluid ingredients are Generally Recognized As Safe (GRAS), making this fluid suitable for use where incidental food or drinking water contact may occur

Compatible with common metals (including carbon steel, stainless steels, cast iron, copper, brass, bronze, and solder) and most plastic pipe (HDPE, PEX, PP)

Propylene glycol-based heat transfer fluid applications


Liquid food cooling

Fermentation cooling

Immersion freezing or chilling of solid, wrapped foods

Packaging carbonated beverages

Grocery store secondary loop refrigeration systems

HVAC system freeze/burst/corrosion protection

Thermal energy storage (TES)

Ground source heat pumps

Hydronic heating systems

Batch processing

Refrigeration coil defrosting

Conveyor roller defrosting

Process chilling

Sidewalk snow melting systems

Refrigeration warehouse floor heating

Ice rink cooling and ice skating rinks

Cold room dehumidifying

Heat recovery

Get in touch, 24 hours a day, 7 days a week.

Product DOWFROST™ Heat Transfer Fluids

Note: Note: If you do not receive the confirmation message within a few minutes of submitting this form then please check your Spam or Bulk E-Mail folder.