Antifreeze in a car or motorhome RV works the same to keep any water in the engine from freezing or raising to the boiling point to prevent damage.
The secondary use of RV antifreeze is for winterizing your RV.
Propylene Glycol antifreeze is the best type of RV antifreeze as it’s non-toxic, non-flammable, safe for all RV plumbing types, and lubricates the seals and gaskets in your toilet and sink so they last longer.
Common Reasons You Need RV Antifreeze
Keeps the RV engine running smoothly in cold weather and keeps water from freezing up and bursting lines.
To winterize RV plumbing lines before storage or during extreme cold-snaps while on a camping trip, so pipes don’t burst.
To keep water in your holding tank from freezing when camping in frigid regions so that you can flush the toilet.
RV antifreeze is non-toxic, so if it accidentally spills or you have a leak, it won’t harm the environment.
Common Benefits for Using an RV Antifreeze
Prevents engine damage from water freezing within the system to drive in cold climates without worry you will have issues.
For winterizing RV before storage, so water lines and holding tanks won’t burst, which is an expensive repair. Keeping seals and gaskets within your RV plumbing system from drying out or deteriorating is another bonus.
The non-toxic formulation is better for the environment and for people who may have exposure to it inside the RV either during or after winterization chores.
Top Brands With a Strong Reputation
Camco is a reputable RV product manufacturer, with antifreeze being just another quality item that RVers trust.
Splash RV & Marine offers an ecologically-safe antifreeze that works well to keep seals in top condition.
Star Brite is ethanol-free and protects down to -50 degrees F, so your plumbing pipes are safe from breaks.
Best RV Antifreeze
How Does RV Troop Select the Best?
RV Troop uses product sales-numbers — real figures that determine what people are actually buying — as well as customer-verified reviews to determine the top products in any product niche. In our opinion, there’s no better way to make product recommendations than by showcasing what real people are spending their hard-earned money on.
The below are our recommendations for the top RV antifreeze.
- -50° Burst protection
- Lubricates seals and gaskets
- Safe for marine engine blocks
- Made from materials considered non-toxic by the FDA
- Will not harm steel, plastic, copper, or brass plumbing
- Burst-proof protection to -50°F guaranteed
- Safe for brass, metal, copper and plastic pipes (except acetate)
- All ingredients are considered GRAS (Generally Recognized as Safe) by the Food and Drug Administration
- No mixing required, can be used full-strength