Before freezing weather, protect pipes, check heat, review outage supplies, and make sure carbon monoxide risks are handled safely. Winter prep isn't just comfort. It is water damage and safety prevention.
Quick freeze prep checklist
- Disconnect and drain garden hoses.
- Know where the main water shutoff is.
- Insulate vulnerable pipes where appropriate.
- Check that heat is working before the coldest night.
- Confirm smoke and carbon monoxide alarms work.
- Prepare flashlights and chargers for outages.
- Keep generators outdoors and away from windows.
Disconnect and drain garden hoses
Water trapped in a hose can freeze, expand, and push backwards into the spigot, which is how exterior pipes split inside the wall. Disconnect every hose before the first hard freeze, drain it, and store it somewhere out of the weather. If your spigots have inside shutoff valves for outdoor lines, close them and open the outdoor end so the rest of the water drains out.
Know where the main water shutoff is
Before a pipe freezes or bursts, find the main water shutoff and make sure it turns easily. Everyone in the home should know roughly where it is. In a burst-pipe emergency, minutes matter more than perfect plumbing knowledge.
Insulate vulnerable pipes where appropriate
Foam pipe sleeves on exposed lines in crawlspaces, basements, and garages help. Pay attention to pipes that run along exterior walls or through unheated spaces. During extreme cold, opening cabinet doors under sinks (especially on exterior walls) lets heated room air reach pipes. A slow trickle on the most vulnerable faucet can prevent freezing in a sustained deep freeze.
Check that heat is working before the coldest night
Run the heating system before you need it. Watch that it kicks on, listen for unusual noises, and feel for warm air at the vents (or warm radiators). A "no heat" call is much easier to handle on a cool fall day than the night of a sub-zero storm when every HVAC tech in town is booked.
Confirm smoke and carbon monoxide alarms work
Heating systems, fireplaces, generators, and indoor cooking all increase carbon monoxide risk in winter. Press the test button on every alarm. Replace the battery or the unit if anything fails. The U.S. Fire Administration says smoke alarms should be replaced 10 years from the manufacture date. CO alarms also expire; check the date on the unit.
Prepare flashlights and chargers for outages
Winter storms knock out power. Keep flashlights or headlamps within reach, charge portable power banks, and replace dead batteries before the storm warning hits. A NOAA weather radio or battery-powered radio is a good backup for cell service that may not survive the outage.
Keep generators outdoors and away from windows
Never run a generator indoors, in a garage, or near windows or vents. Ready.gov is firm on this — carbon monoxide is colorless, odorless, and can kill within minutes in an enclosed space. Always run generators outside, well away from the house, with the exhaust pointed away from doors and windows.
Good maintenance rhythm
- Do a winter prep pass once in fall, then a quick check before the first hard freeze.
- Repeat if you travel during freezing weather.