As temperatures drop, RVers face one of the most important seasonal decisions of the year: how to properly prepare their rig for winter. At Park on Whiskey Road, we welcome guests who travel year-round, and one of the most common questions we hear each fall is about RV winterizing. While the goal is always the same—protecting your RV from freezing damage—the process can look very different depending on the type of rig you own.

Understanding how winterizing works, and what your specific RV requires, can help you avoid costly repairs and make confident choices about winter travel or storage.

Why RV Winterizing Matters More Than You Think

Water expands when it freezes, and RV plumbing systems are particularly vulnerable to cold temperatures. A single frozen line can crack fittings, damage valves, or ruin water pumps. RV winterizing is designed to remove or protect water in these systems so freezing temperatures don’t turn into expensive surprises come spring.

Even RVers who don’t plan to travel during winter benefit from proper preparation. For those staying put during colder months, winterizing strategies may look different—but the risks of freezing remain very real.

Winterizing a Motorhome: More Systems to Consider

Motorhomes combine living space and drivetrain into one unit, which means RV winterizing often involves more steps. In addition to the standard plumbing system, motorhomes may include additional water lines, exterior showers, ice makers, washing machines, and multiple holding tanks.

Motorhomes with built-in generators, engine cooling systems, and windshield washer systems also require attention. These components may need antifreeze or inspection to ensure they’re protected from freezing temperatures.

At Park on Whiskey Road, we see motorhome owners benefit from creating a checklist early. Staying organized helps ensure nothing is overlooked, especially when systems are spread throughout the vehicle.

Winterizing a Towable RV: Simpler, but Still Critical

Towable RVs, such as travel trailers and fifth wheels, generally have fewer systems to winterize, but that doesn’t make the process optional. Freshwater lines, water heaters, holding tanks, and exterior hookups still need protection.

One advantage of towable RVs is that they don’t have engine-related systems to worry about. However, their plumbing is often more exposed underneath the RV, which can make them more vulnerable to freezing if not properly prepared.

RV winterizing for towables often focuses heavily on draining water completely or using RV-specific antifreeze to protect lines and fixtures.

Choosing Between Draining and Antifreeze

One of the biggest decisions in RV winterizing is whether to fully drain the system or use RV antifreeze. Both approaches can work when done correctly, but each has pros and cons.

Draining removes most water from the system but may leave small amounts trapped in low points or valves. Antifreeze provides an added layer of protection by filling lines and traps with freeze-resistant fluid.

Many RVers choose a combination of both, draining first and then adding antifreeze to critical areas. This hybrid approach is especially common among guests who plan to store their RVs through the coldest months.

RV Winterizing for Travelers Staying Put

Not all winter RVers fully winterize. Guests staying at Park on Whiskey Road during winter often use partial winterizing strategies instead. Heated hoses, insulated water connections, skirting, and careful monitoring of temperatures can allow continued water use even in colder weather.

In these cases, RV winterizing becomes more about protection than shutdown. Knowing when to disconnect water, drain lines temporarily, or adjust usage during cold snaps is key to avoiding damage while staying comfortable.

Common Mistakes to Avoid

One of the most common RV winterizing mistakes is forgetting small components like outdoor showers, toilet sprayers, or low-point drains. These areas often hold water and freeze first.

Another issue we see is assuming a mild forecast means winterizing can wait. Sudden overnight freezes are often what cause the most damage. Preparing early gives you flexibility and peace of mind.

Finally, using automotive antifreeze instead of RV-safe antifreeze is a costly error. RV antifreeze is non-toxic and designed specifically for potable water systems.

Timing Your RV Winterizing

The best time to winterize is before freezing temperatures are consistent, not after the first hard freeze. Watching overnight lows rather than daytime highs gives a better sense of when protection is needed.

Many guests at Park on Whiskey Road choose to winterize in stages, adjusting their setup as the season progresses. This approach works well for travelers who plan to remain mobile but want protection ready when temperatures drop unexpectedly.

Making Winter RVing Less Stressful

RV winterizing doesn’t have to feel overwhelming. Breaking the process into manageable steps and understanding your specific rig makes preparation far easier. Whether you’re storing your RV, traveling south, or settling in for a winter stay, proper planning helps protect your investment.

From our perspective at Park on Whiskey Road, the RVers who enjoy winter the most are the ones who prepare early and adjust as conditions change. RV winterizing is less about fear of cold and more about confidence in your setup.

Final Thoughts on RV Winterizing

Every RV is different, and there’s no single approach that fits everyone. Motorhomes and towable RVs have unique needs, but both benefit from thoughtful preparation. RV winterizing protects your plumbing, reduces stress, and allows you to focus on enjoying the season—whether that means traveling onward or staying comfortably in one place.

If winter camping or storage is part of your plans this year, taking the time to understand RV winterizing now can save you time, money, and frustration later. Preparation is what turns cold-weather RVing into a smooth, enjoyable experience rather than a risky one.

Author: Ric Favors