How to Winterize Your RV: Protect Your Investment for the Cold Season

As the colder months approach, it’s essential to prepare your RV for winter storage to prevent damage and ensure it’s ready for the road next spring. Winterizing your RV protects it from freezing temperatures, moisture damage, and potential mechanical issues that can occur during long periods of inactivity.

Whether you’re storing your RV after a stay at Shibby RV Living in Fountain Inn, SC, or simply prepping for the off-season, here’s a step-by-step guide on how to winterize your RV properly.

 How to Winterize Your RV:

Step 1: Drain and Flush the Water System

One of the most critical steps in winterizing your RV is to drain the water system to prevent pipes and tanks from freezing. Frozen water can expand and cause significant damage to your plumbing system.

  • Drain the Freshwater Tank: Start by draining your freshwater tank completely. Locate the drain valve and allow all water to empty out.

  • Empty the Water Heater: Turn off the water heater and let it cool down before draining it. Use a water heater bypass kit to avoid filling the heater with antifreeze during the next steps.

  • Flush the Lines: Open all faucets, including the kitchen, bathroom, and outdoor shower, to drain water from the lines. Be sure to flush the toilet to clear water from the system.

  • Drain the Gray and Black Water Tanks: Empty both tanks at an approved dumping station. Rinse them out thoroughly to avoid odors and buildup during storage.

Step 2: Add RV Antifreeze to the Water System

Once the water system is drained, it’s time to add RV antifreeze to prevent any remaining water from freezing in the lines.

  • Use Non-Toxic RV Antifreeze: Only use antifreeze that is designed for RVs and is safe for potable water systems. Avoid automotive antifreeze, which can be toxic.

  • Pump Antifreeze Through the Lines: Use a hand pump or the RV’s water pump to push antifreeze through the system. Start by pouring antifreeze into the freshwater tank or directly into the water pump.

  • Run Antifreeze Through Faucets: Open each faucet one by one (including the shower and toilet) until pink antifreeze comes out, indicating the lines are protected.

Step 3: Prepare the Exterior

The exterior of your RV also needs attention to prevent damage from harsh winter conditions. Here’s how to prepare it:

  • Inspect Seals and Caulking: Check all windows, doors, and roof seals for cracks or gaps. Reseal any areas where moisture could get in to prevent leaks.

  • Cover the RV: If you’re storing your RV outside, invest in a breathable RV cover to protect it from snow, ice, and sun exposure. Avoid using tarps, which can trap moisture and cause mold or mildew.

  • Lubricate Moving Parts: Apply lubricant to any moving parts like door hinges, slide-outs, and awnings to prevent them from freezing or rusting over the winter.

Step 4: Winterize the Interior

The inside of your RV also needs preparation to ensure it stays in good condition throughout the winter.

  • Clean and Empty the RV: Remove all food, cleaning supplies, and personal items to avoid attracting pests or creating odors during storage. Clean the interior thoroughly, including wiping down surfaces, vacuuming floors, and emptying the fridge and freezer.

  • Turn Off Appliances: Unplug and turn off all appliances, including the refrigerator, microwave, and water heater. Leave the fridge door slightly open to prevent mold and mildew.

  • Protect Against Pests: Place rodent repellent or mothballs around the interior of your RV to keep pests out during storage.

Step 5: Take Care of the Tires and Battery

Your RV’s tires and battery need special attention before storage to ensure they stay in good condition during the cold months.

  • Check Tire Pressure: Inflate your RV tires to the manufacturer’s recommended PSI to prevent flat spots. If possible, move the RV every few months to prevent tires from sitting in the same position for too long.

  • Disconnect the Battery: Disconnect the RV battery and store it in a cool, dry place to avoid draining it during the winter. If possible, connect it to a battery maintainer to keep it charged.

Step 6: Cover and Store Your RV

Once you’ve completed all the necessary steps, it’s time to store your RV for the winter.

  • Choose an Appropriate Storage Location: If possible, store your RV in a covered facility or garage to protect it from the elements. If outdoor storage is your only option, use a high-quality RV cover designed for winter protection.

  • Check on Your RV Periodically: Throughout the winter, check on your RV to ensure it’s in good condition. Look for signs of moisture, pests, or other issues that could arise during long-term storage.

Winterize Your RV the Right Way

Winterizing your RV is a crucial step in protecting your investment and ensuring it’s ready for your next adventure. By following these simple steps, you can prevent costly repairs and extend the lifespan of your RV. At Shibby RV Living, we know how important it is to keep your RV in great shape, so whether you’re staying with us for a short trip or the long term, make sure your RV is winter-ready before the cold hits.