RV TowCalc
Winter Seasonal Guide

Winter RV Storage Guide

Proper winterization is essential to protect your RV or trailer from damage caused by freezing temperatures, moisture, and other winter hazards. Follow this guide to ensure your investment stays in top condition.

Timing Matters

Start winterization before the first freeze. Ideally, complete all steps when temperatures are consistently below 40°F (4°C) but before they drop to freezing (32°F / 0°C).

Winterize the Water System

  • Drain all water from fresh water tank
  • Drain hot water heater
  • Open all faucets and shower valves to drain
  • Flush toilet to remove water
  • Blow out water lines with compressed air
  • Add RV antifreeze (non-toxic) to all lines
  • Protect water pump with antifreeze
  • Drain and clean gray and black water tanks
  • Add tank treatment to prevent odors
  • Disconnect and store water hoses indoors

Protect Against Freezing

  • Remove all food items - rodents love stored food
  • Clean kitchen thoroughly - no crumbs
  • Disconnect and remove batteries
  • Store batteries in a cool, dry place
  • Add fuel stabilizer to gas tank
  • Run engine briefly to circulate stabilizer
  • Change engine oil if storing for extended period
  • Inspect and clean furnace/heating system
  • Seal exterior openings to prevent drafts
  • Cover exposed pipes and hoses

Exterior Preparation

  • Wash and wax the exterior
  • Inspect roof for damage - repair if needed
  • Clean gutters and drains
  • Remove debris from awning
  • Clean and store awning
  • Inspect seals around windows and doors
  • Apply silicone lubricant to door hinges
  • Cover tires with tire covers
  • Block tires to prevent flat spots
  • Install RV cover for additional protection

Safety & Security

  • Install smoke/carbon monoxide detectors
  • Add rodent traps and deterrents
  • Install security camera if stored outdoors
  • Use wheel locks for added security
  • Remove valuables from the trailer
  • Notify insurance company about storage
  • Check storage facility security measures
  • Leave emergency contact information
  • Create maintenance checklist for spring
  • Take photos of the trailer before storage

Storage Options Comparison

OptionProsConsCost
Indoor StorageMaximum protection, climate controlledMost expensive, limited availability$100-$300/month
Outdoor CoveredProtection from sun/rain, affordableStill exposed to cold temperatures$50-$150/month
Outdoor UncoveredLeast expensive, easy accessFull exposure to elements, more maintenance$20-$80/month

Pro Tips for Winter Storage

Check on your trailer monthly during storage - look for signs of damage or intrusion.
Use moisture absorbers inside to prevent mold and mildew.
Keep windows slightly open for ventilation (if weather permits).
Disconnect all power sources to prevent battery drain.
Consider a battery maintainer if storing batteries on-site.

Ready for Spring?

Check out our spring pre-departure checklist to get your trailer ready for the camping season.

Spring Preparation Guide