Empty all cabinets, drawers, and storage areas; remove perishable items
Drain freshwater tank (if equipped)
Open all low-point drains (fresh, hot, and cold lines)
Open faucets (hot and cold) throughout the camper
Flush toilets until all water is removed; drain toilet if it has a separate valve
Drain the water heater fully; remove/disable anode rod if applicable
Bypass the water heater (if equipped with a bypass kit)
Pump RV antifreeze (non-toxic, RV-rated) through the plumbing system using the city-water inlet method or water pump method
Run antifreeze through each faucet (hot then cold) until antifreeze appears, including shower and any exterior shower
Pour antifreeze into each drain trap (or run antifreeze through the lines until it reaches the traps)
Add antifreeze to the toilet holding tank system as required by the toilet type
Ensure all valves are set to drain/bypass positions as required
Drain and disconnect city water hose; make sure no water remains in the inlet
Check for any inline filters; drain or bypass as specified; add antifreeze if required
Winterize the black/gray tanks:
Drain tanks completely
Add appropriate RV holding tank antifreeze if recommended for your system
Leave valves closed or set per manufacturer guidance
Clean and sanitize tanks if needed before storage
Clean the camper interior and remove moisture sources
Turn off power to water heater and water pump at the switch/breaker
Disconnect and store all hoses, regulators, and external water attachments
If you have an ice maker or additional water lines, winterize those separately
Inspect tires; set chocks; consider tire covers if stored long-term
Close and secure all windows and vents; ensure vent covers are in place
Service or replace batteries as needed; disconnect battery or use a maintainer
Shut off and secure propane tanks; close valves and check for leaks
Cover exterior openings as recommended (vents, exhaust, intake)
Seal gaps and check caulk/roof seams; repair any damage before storage
Clean roof, gutters, and seals; remove debris
Check and secure awnings, ladders, and exterior compartments
Empty and winterize the refrigerator:
Clean and dry interior
Leave door slightly ajar (per manufacturer)
Turn off gas/electric modes
Winterize any onboard generator systems if applicable
Winterize air conditioner/heat pump (if applicable):
Clean filters and exterior intake
Cover indoor/outdoor units if recommended by manufacturer
Winterize the furnace/space heater:
Ensure it is off and follow manufacturer storage guidance
For power/controls:
Verify breakers are off as recommended
Confirm no water leaks are present
If storing long-term, consider using moisture absorbers and maintaining ventilation
Perform a final walk-through checklist:
All drains open and/or antifreeze added as required
Valves set correctly (fresh/hot/cold/bypass)
Faucets left in the proper position (per system guidance)
No remaining water in lines or traps
Exterior covers installed and secured