Guide · 3 min read · Updated October 9, 2026
How to Winterize a Mobile Home: A Bottom-Up Checklist
A step-by-step winter checklist for mobile and manufactured homes, from the water lines underneath to the roof, plus what to do if it will sit empty.
The short answer
To winterize a mobile home, start underneath: check the heat tape, pipe insulation, belly wrap, and skirting, then work up to the roof, furnace, water heater, and drafts. If the home will sit empty, shut off the water, drain the lines, and put RV antifreeze in the drain traps. Do it in early fall, before the first hard freeze.
In a mobile home, winter trouble usually starts underneath. The water lines run below the floor, so the parts that protect them matter most. Here's the LAND + HOME bottom-up winter walk: start under the home and work your way up.
When should you winterize a mobile home?
The best time to winterize a mobile home is early fall, before the first hard freeze. That leaves time to replace heat tape, patch the belly wrap, or schedule a furnace check. ENERGY STAR recommends checking the heating system in the fall, before contractors get busy.
Step 1: What do you check under a mobile home?
Under a mobile home, check the water lines and everything that keeps them warm. Grab a flashlight and look at:
- Main water shutoff: find it, label it, make sure it turns
- Heat tape: plugged in, working, no charring, cracks, or bare wires
- Pipe insulation: in place over the lines, not wet or missing
- Belly wrap: no tears, sagging, or wet insulation (the underbelly cover)
- Pests: droppings or nesting in the insulation
- Skirting: no gaps, loose or missing panels
Heat tape safety. The U.S. Consumer Product Safety Commission (CPSC) says to plug heat tape into a grounded, GFCI-protected outlet, inspect it every year, and replace uncertified tape that's more than 3 years old with tape certified to UL, CSA, or FMRC standards. Follow the maker's instructions, and call an electrician if you're unsure.
Step 2: How do you protect the outside and the roof?
Outside, the goal is to keep water and wind out. Work around the home:
- Disconnect and drain hoses. Shut off and drain outdoor faucets.
- Clear gutters and downspouts so water drains away from the home.
- Look over the roof for loose seams, lifted flashing, or worn coating.
- Check that skirting vents aren't blocked by leaves or snow.
- Secure anything loose before winter storms.
Step 3: Is your heat ready?
Your furnace and water heater work hardest in winter. Before it gets cold:
- Replace or clean the furnace filter. ENERGY STAR says to inspect, clean, or change filters once a month.
- Schedule a professional furnace check-up for gas or propane systems.
- Check the water heater closet for leaks and keep it clear of storage.
- Test smoke alarms. The U.S. Fire Administration says to test them once a month. Add or test carbon monoxide alarms if you have gas or propane.
Step 4: Where are the drafts?
Drafts waste heat and make the home feel colder. Check:
- Weatherstripping around doors
- Caulk around windows and vents
- Door thresholds and sweeps
- Window plastic or storm windows on older single-pane windows
How do you winterize a mobile home that will sit empty?
If no one will live in the home this winter, you have two choices: keep the heat on, or drain the water system.
| Option | What it means | Watch out for |
|---|---|---|
| Keep heat on | Set the heat no lower than 55°F (Red Cross) and keep heat tape on | Power outages, propane running out |
| Drain the system | Empty every water line so nothing can freeze | Must be done thoroughly |
To drain the system, follow these general steps, or hire a plumber to do it:
- Turn off the water heater first (breaker off for electric, gas valve closed for gas).
- Shut off the main water supply.
- Open all faucets and drain every line, plus the water heater.
- Blow out the lines with an air compressor, since gravity leaves water behind.
- Flush toilets until empty, then add pink, non-toxic RV antifreeze to toilets and drain traps.
- Post a note: "Winterized, do not use plumbing."
Check with your park, insurance company, and utility too. Some have rules for vacant homes.
The bottom line
Winterize from the bottom up: water lines, heat tape, belly wrap, and skirting first, then the roof, heat, and drafts. Do it in early fall, and drain the system if the home will sit empty. Winters and homes vary, so follow your manufacturer's instructions and call licensed pros for gas, electrical, and roof work. For the plumbing side in more detail, read how to prevent frozen pipes.
Common questions
When should I winterize my mobile home?
Early fall, before the first hard freeze in your area. That gives you time to replace heat tape, fix belly wrap, or book a furnace check before contractors get busy.
Do mobile homes need heat tape?
Many do, because the water lines run under the home where it is colder. Heat tape keeps those lines warm. Inspect it every year and use a grounded, GFCI-protected outlet.
How do I keep my mobile home pipes from freezing?
Keep the heat tape working, repair tears in the belly wrap, close gaps in the skirting, let a faucet drip in hard cold, and keep the heat on. The Red Cross says no lower than 55°F if you are away.
How do you winterize a vacant mobile home?
Shut off the main water, drain every line and the water heater, blow out the lines with an air compressor, and pour pink RV antifreeze into toilets and drain traps. Turn off the water heater power or gas first.
Does skirting help keep a mobile home warm?
Yes. Skirting blocks wind from blowing under the home, which helps protect the water lines and floor. Fix gaps and missing panels before winter.
When you're ready for the next step
Keep reading
How to Prevent Frozen Pipes (Including in a Mobile Home)The simple steps that keep pipes from freezing in a house or mobile home, and what to do if one freezes anyway.
Mobile Home Maintenance Checklist: What to Do Every SeasonA season-by-season maintenance checklist made for mobile and manufactured homes, from leveling and tie-downs to the roof and underbelly.