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How to Winterize Your RV Before Storage

Winter in Alberta can be harsh, especially on recreational vehicles. If you’re planning to park your RV for the season, winterizing it properly is one of the most important steps you can take to protect your investment. Whether you plan to store it in your driveway or at an RV storage facility, skipping this process can lead to costly damage once spring rolls around.


In this guide, we’ll walk you through everything you need to know about winterizing an RV, why it matters, and how to get it ready for RV self storage or placement in RV storage units—especially if you’re considering storage in Calgary AB.

Why Winterizing Your RV Matters

When temperatures drop below freezing, any water left in your RV’s plumbing system can freeze and expand. This causes pipes to burst, fittings to crack, and even your water heater to fail. Beyond plumbing, cold weather can also affect your battery, tires, seals, and even your interior finishes.


If you’re using an RV storage facility or long-term vehicle storage, winterizing ensures your unit survives the season in good condition—giving you peace of mind and fewer headaches when it’s time to hit the road again.

Step-by-Step Guide to Winterize Your RV

1. Drain the Water System
Start by emptying all tanks—the fresh water tank, grey water tank, and black water tank. Once drained, use the RV’s water pump to remove as much water as possible from the plumbing system.


Disconnect your water heater and bypass it using a winterizing kit or the built-in bypass valve. This prevents antifreeze from entering the heater, saving you from extra cleanup in the spring.


2. Add RV Antifreeze
Use non-toxic RV antifreeze to protect the pipes and plumbing. Pour it into the water lines using either a hand pump or the RV’s built-in system. Run all faucets, toilets, showers, and drains until you see the pink antifreeze flowing through. Don’t forget the outside shower if your RV has one. This step is especially important if you’re storing in one of the colder climate zones around Calgary.


3. Remove and Store the Battery
Cold weather can drain your battery quickly. If possible, remove it and store it in a heated and cooled environment like your garage or basement. Keeping it on a trickle charger ensures it stays healthy through the off-season. If you’re using RV storage in Calgary or a facility further outside the city, some sites offer battery maintenance or disconnect services as part of their winter storage packages.


4. Protect the Exterior
Wash and wax your RV to remove dirt, bugs, and salt that could cause corrosion. Check all seals, windows, and roof seams for cracks, and reseal if needed. This is crucial if your RV will be parked in open outdoor parking. If your RV self storage option includes indoor units, your vehicle will have more protection, but you should still prepare the exterior as a best practice.


5. Prep the Interior
Clean the interior thoroughly. Remove food, toiletries, and anything that could spoil or attract pests. Open all drawers and cupboards to let air circulate.
Leave the fridge and freezer doors open slightly to prevent mould and odours. Place moisture absorbers or dehumidifiers inside to help control humidity.


6. Cover and Ventilate
Use a breathable RV cover to protect the exterior from UV rays and snow, especially if you’re storing in an uncovered parking space. Avoid using tarps, which trap moisture and cause mildew. Leave roof vents slightly open using vent covers to allow ventilation without letting snow or pests inside.

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Where to Store Your RV After Winterizing

Once your RV is winterized, it’s ready for storage. Your choice of storage options will depend on your space, budget, and how accessible you need your RV to be.

  • Outdoor RV Storage Units: These are the most common and affordable, offering open-air parking in secure lots.
  • Indoor RV Storage Units: These provide protection from the elements, often with climate-controlled features.
  • Heated Storage Units: Ideal for extreme winters. These storage units in Calgary offer temperature stability for peace of mind.

 

At Cowboy Trail RV and other reputable storage facilities in Alberta, you can choose from multiple storage unit sizes and types depending on your RV’s dimensions and your storage timeline.

Additional Winter RV Storage Tips

  • Check Tire Pressure: Inflate tires to the recommended PSI and cover them if parked outside to prevent cracking.
  • Block Rodents: Seal off all potential entry points. Use screens or steel wool in vents and small gaps.
  • Secure Everything: Lock all doors and compartments. If your facility offers 24/7 video surveillance, confirm that your unit is visible.
  • Insurance: Make sure your insurance covers off-site storage and damage from snow, ice, or other hazards.

 

Peace of Mind Through Proper Storage

Winterizing your RV isn’t just a checklist—it’s a safeguard. Whether you’re preparing for storage at home or using professional RV storage units, following the right steps protects your vehicle through Alberta’s toughest season. It’s not only about keeping pipes from freezing; it’s about ensuring that your RV is road-ready when adventure calls in the spring.


For reliable storage in Calgary AB, facilities like Cowboy Trail RV offer secure, accessible, and affordable RV and self storage options. With the right prep and the right place, you’ll enjoy a worry-free winter and a smoother start to next season’s travels.