How to prepare a Travel Trailer for Winters?

Preparing a travel trailer or RV for winter is important to protecting it from harsh weather, freezing temperatures, and potential damage.

Why You Need to Winterize Your Travel Trailer?

Prevent Damage: Water left in tanks, pipes, or fixtures can freeze, leading to cracks or bursts.
Extend Lifespan: Winterization prevents weather-related wear, keeping your travel trailer in optimal shape.
Cost Efficiency: Avoids costly repairs by proactively protecting critical systems.

Ideally, winterize your trailer before temperatures consistently fall below freezing. Late autumn is typically the best time, allowing for any last-minute trips.

Inspect and Repair Cracks or Holes: Check for cracks, holes, or openings in the exterior. Seal them to prevent water infiltration or pest entry.
Apply Wax or Protective Coating: A coat of wax or RV protectant will shield the trailer’s exterior from winter elements like snow and ice.
Cover the Wheels: Wheel covers protect tires from the harsh effects of weather, minimizing cracking or degradation over time.
Clean and Dry the Awning: Thoroughly clean and dry the awning to prevent mold growth. Once dried, store or secure it to avoid weather damage.

Clean and Tidy the Interior: Clear out perishable food items and clean the interior to prevent pest infestations. Wipe down surfaces and sweep the floors.
Service Locks and Hinges: Lubricate locks, hinges, and other moving parts to prevent freezing or rusting.
Use a Dehumidifier: If storing your trailer in a humid area, a dehumidifier helps prevent mold and mildew growth during winter storage.
Winterize Appliances:
- AC Unit: Remove, clean, or replace filters.
- Refrigerator: Defrost, clean, and leave the door slightly open to prevent odors.
- Water Pump: Ensure the pump has antifreeze running through it to avoid freezing.

Store Propane Tanks Safely: Disconnect propane tanks and store them in a cool, dry place. Ensure they are turned off and secure.
Remove and Store Batteries:
- Disconnect the battery, remove it from the trailer, and store it in a safe, temperature-controlled area.
- Charge batteries periodically to keep them in good condition over winter.

Seal Openings: Close off any gaps, vents, or spaces where pests might enter, such as around doors or windows.
Set Traps or Deterrents: Place deterrents or traps around the trailer, particularly if storing in an area prone to rodents.

Clean the Exterior: Wash and thoroughly dry the exterior of the trailer. Dirt, grime, or salt can be corrosive if left over winter.
Install a Quality Travel Trailer Cover: Invest in a cover specifically designed for travel trailers. This keeps the trailer protected from snow, rain, and debris while in storage.

Remove All Hookups: Disconnect any water, electrical, or sewage hookups before storing.
Cover Ventilation Openings: Use breathable covers for ventilation to prevent moisture build-up without blocking airflow.
Regular Checks: If possible, check on your trailer periodically during winter to ensure all precautions are holding up.

Step 1: Remove or Bypass Water Filters

If your trailer has water filters, remove them to prevent freezing. Alternatively, use a bypass kit to ensure antifreeze doesn’t run through them.

Step 2: Drain All Water Tanks

Drain the Freshwater Tank: Open the drain valves and allow the water to empty entirely.
Drain the Black and Grey Tanks: Use the proper sewage hookup or dump station for waste disposal.
Drain the Water Heater: Turn off any heating elements, let the water cool, then open the drain plug and allow it to empty completely.

Step 3: Bypass the Water Heater

Use a water heater bypass kit to prevent antifreeze from entering the water heater. This saves antifreeze and makes the process simpler.

Step 4: Blow Out Water Lines (Optional)

Use compressed air to blow out any remaining water in the lines. This is optional but offers extra protection against freezing.

Step 5: Add RV Antifreeze

Connect a pump converter kit or siphon to the water pump intake.
Pour antifreeze into the plumbing system by opening faucets, flushing toilets, and filling P-traps until antifreeze appears.

Step 6: Add Antifreeze to Drains

Pour RV antifreeze into all drains (sinks, showers, etc.) to prevent freezing in P-traps.