Best RV Antifreeze: Ultimate Buying Guide

Winter RV

Published Date: August 4, 2023

Last Updated on August 10, 2023 by Camper Front

Ready to hit the road, but worried about winter’s icy grip on your RV? Don’t let the cold put a freeze on your freedom. Our ultimate buying guide for the best RV antifreeze is here to help.

We’ve reviewed the top products, answered your burning questions, and even thrown in some expert tips.

So, let’s get your RV winter-ready and keep you rolling, no matter the weather!

Key Takeaways

– Winterizing your vehicle with RV antifreeze is crucial to prevent damage and extend the lifespan of your RV.
– Propylene glycol-based antifreeze is recommended for RV plumbing as it is safer and more suitable than regular automotive antifreeze.
– When evaluating different RV antifreeze options, consider the amount needed for complete protection and choose a product specifically designed for RV use.
– Our top RV antifreeze picks

Most Popular
Most Bang for Your Buck
Best Value for Money
Alternative Pick
$11.39$9.79 ($1.63 / Count)
Most Bang for Your Buck
$11.39$9.79 ($1.63 / Count)
Best Value for Money
02/17/2024 11:48 pm GMT Lasso Brag

Importance of Winterizing Your Vehicle

It’s crucial for RV owners to understand the importance of winterizing their vehicles. This step can prevent damage and extend the lifespan of your RV. Just like any other type of vehicle, your RV needs special care during the cold season.

Utilizing an RV antifreeze is an essential step to protect your freedom-loving home-on-wheels from winter’s harsh conditions. Specifically, using a nontoxic, propylene glycol-based RV antifreeze is recommended. This type of antifreeze ensures that water in your vehicle’s pipes doesn’t freeze and cause damage.

Winterizing isn’t just about surviving the snowy months. It’s about ensuring you can hit the open road with peace of mind, knowing your vehicle is in top shape. So, embrace the importance of winterizing your vehicle. It’s a small step towards many more adventurous journeys.

Evaluating Different RV Antifreeze Options

When you’re looking at various options for winterizing your motorhome, you’ll likely run into different products at different price ranges. 

Not all types of antifreeze are created equal, especially when it comes to your RV plumbing.

Propylene glycol-based antifreeze is a safe choice for your RV application, as it’s less harmful to your vehicle and the environment.

Remember, a typical RV requires a couple of gallons of antifreeze for complete protection, so factor this into your decision.

Regular automotive antifreeze, however, isn’t the best option for your RV due to its harsh components.

Therefore, make sure you’re choosing a product specifically designed for RV use.

The freedom you crave as an RV owner includes freedom from unnecessary repair costs.

Choosing the correct antifreeze is part of that freedom.

Best RV Antifreeze Reviews

Now, let’s delve deeper into some specific antifreeze products you might consider for your RV.

We’ll be diving into some basic reviews of our top picks as well as their price tags, to help you find the best RV antifreeze for your vehicle.

You’ll get a comprehensive understanding of what each of these top-notch options has to offer, helping you make an informed decision for your RV needs.

P-restone Garden at Home RV/Waterline Antifreeze

P-restone Garden at Home RV/Waterline Antifreeze is a perfect pick for those who need to winterize more than just their RV. This antifreeze can be your go-to purchase for maintaining your RV’s rubber seals and other parts and keeping your swimming pools functioning, regardless of the degree of cold weather.

It’s an ethanol-based RV antifreeze, which means it’s less harmful to your pump kit and other parts. This product ensures that you can continue enjoying your freedom on the open road, without worrying about the harsh effects of cold weather.

Garden at Home RV/Waterline Antifreeze - 1 gal (-100° F)


  • No Burst Guarantee -100° F
  • Safe for use in RVs/travel trailers , pools, boats and seasonal homes
  • Superior Protection from damage, corrosion & rust. Safe for metals, plastic, rubber, and elastomers found in most potable water systems

We earn a commission if you make a purchase, at no additional cost to you.

Keep your RV running smoothly with Prestone, even in freezing conditions.

RV & Marine Splash Antifreeze

RV & Marine Splash Antifreeze is another top contender. It’s designed to handle extreme freezing conditions, keeping your RV’s water system running smoothly. Don’t let winter put a damper on your sense of adventure! Pack this antifreeze and keep the spirit of freedom alive.

This non-toxic antifreeze is perfect for those who value safety and the environment. Plus, it’s easy to use. You don’t have to be an expert to figure it out. Simply follow the instructions and you’re good to go.

Don’t let your RV become a prisoner of the cold. Keep exploring, keep discovering. With RV & Marine Splash Antifreeze, your journey doesn’t have to stop, even when the temperature drops.

Best Deal
RV & Marine Splash Antifreeze
$11.39 $9.79 ($1.63 / Count)
  • Formulated for -50 degree F burst protection
  • Convenient, ready-to-use solution
  • Proprietary plant-derived additive. Improves user safety when compared to ethylene glycol-based products

We earn a commission if you make a purchase, at no additional cost to you.
02/17/2024 11:48 pm GMT

RecPro RV Antifreeze

When it comes to protection against harsh winter conditions, RecPro’s antifreeze is a popular choice. This product gives you the freedom to roam, knowing your RV’s water systems are safeguarded. It’s designed to withstand the coldest temperatures, ensuring your plumbing pipes don’t freeze and burst.

RecPro’s antifreeze isn’t just about protection, it’s about preserving your independence. Its non-toxic, biodegradable formula means it’s safe for all septic systems and easy on the environment. No need to worry about harmful chemicals affecting your journey.

And with its concentrated solution, you’re getting more bang for your buck. A little goes a long way with RecPro. So, hit the open road with confidence, knowing RecPro’s RV antifreeze has your back.

Protection, peace of mind, and freedom to explore – that’s what RecPro offers.

Top Pick
RecPro RV Antifreeze
  • -50° Burst protection
  • Lubricates seals and gaskets
  • Made from materials considered non-toxic by the FDA

We earn a commission if you make a purchase, at no additional cost to you.
02/17/2024 11:21 pm GMT

CPDI Champion Marine and RV Antifreeze

CPDI Champion Marine and RV Antifreeze is a high-quality product designed specifically for marine and RV applications. It is formulated to protect RV plumbing systems against freezing temperatures, preventing potentially costly damage.

This antifreeze is made with corrosion inhibitors to safeguard metal parts and components, ensuring optimal performance and longevity. It is easy to use and can be safely disposed of, making it a convenient choice for boat and RV owners. With CPDI Champion Marine and RV Antifreeze, you can have peace of mind knowing that your equipment is protected during the winter months.

CPDI Champion Marine and RV Antifreeze
  • Designed to protect your plumbing, pipes, and filters up to -50°F
  • No Mixing or Diluting Required
  • Multipurpose Outdoor Equipment Use
We earn a commission if you make a purchase, at no additional cost to you.

Frequently Asked Questions About Antifreeze

You’ve probably got a few questions about antifreeze, and we’re here to answer them for you.

Why do I need antifreeze for my RV?

Antifreeze protects your RV’s water systems from freezing in cold weather. It’s vital for keeping your vehicle roadworthy during the cold season.

Is there a difference in RV antifreeze

Yes, there is a difference in RV antifreeze. RV antifreeze is specifically formulated to protect the plumbing systems of recreational vehicles during cold temperatures. It contains a mixture of propylene glycol, ethylene glycol, or alcohol that prevents water from freezing and expanding, which can cause damage to the pipes and fittings. 

There are different types and brands of RV antifreeze available in the market, and it is important to choose the one that is specifically designed for use in RVs. Some RV antifreeze may also have additives that help lubricate seals and prevent corrosion. It is recommended to consult the manufacturer’s guidelines and choose the appropriate RV antifreeze for your specific RV model and plumbing system.

Do you put antifreeze in black tank

No, you do not put antifreeze in a black water tank. The black tank in an RV or camper is used to hold and store waste from the toilet. Antifreeze is typically used in the freshwater system to prevent freezing during cold temperatures. It is important to use the appropriate products for each system within the RV to prevent damage and ensure proper functionality.

How many bottles of RV antifreeze do I need

The number of bottles of antifreeze needed will depend on the size of the RV’s water system and the method of winterizing. Generally, it is recommended to have at least 1 gallon (or 4 bottles) of RV antifreeze for a standard-sized RV. However, larger RVs or those with multiple water systems may require more. It is always best to consult the owner’s manual or seek guidance from a professional to determine the specific amount needed for your RV.

Is there a difference between RV antifreeze and regular antifreeze

Yes, there is a difference between RV antifreeze and regular antifreeze. RV antifreeze is specifically formulated to protect RV plumbing systems during winter storage. It is non-toxic and safe for use in potable water systems, as it is designed to be flushed out before the RV is used again. Regular antifreeze, on the other hand, is primarily used in automotive engines to prevent freezing and overheating. It contains chemicals such as ethylene glycol or propylene glycol, which are toxic and should not be used in potable water systems. Therefore, it is important to use the appropriate type of antifreeze based on the intended application to ensure the safety and functionality of the system.

How often should I use antifreeze?

It’s recommended that you use antifreeze every year to ensure optimal protection. Check your manufacturer’s guidelines for specific instructions, as it may vary depending on the type and age of your RV.

Can I mix different types of antifreeze?

No, it’s best to avoid mixing different types of antifreeze. Each type may contain different chemical compounds that don’t mix well. Stick to one kind and make sure you use the right amount.

When should I use antifreeze for my RV?

‘Ideally, you’d use antifreeze whenever the temperature drops below freezing.

Deciding the Right Antifreeze for Your Needs

You’ve now got the scoop on the best RV antifreeze options out there. Armed with this info, you can make a wise choice that suits your RV’s needs, protects it in harsh weather, and fits your budget.

Don’t forget, proper winterizing is key to your RV’s longevity. So, grab your pick from our guide, winterize your vehicle, and enjoy peace of mind.

Your RV’s future is in your hands.

Scroll to Top