Let the Water Run to Prevent Pipes from Freezing
When it’s extremely cold, a tiny, steady trickle of water from faucets can be a powerful tool.
It protects pipes in two ways:
- Relieves pressure: Moving water gives pressure somewhere to go, so if part of the line begins to freeze, the expanding ice is less likely to create a sealed, high-pressure plug that bursts the pipe.
- Keeps water moving: Flowing water takes longer to freeze than standing water. Even a thin stream through the most exposed runs can delay or prevent ice buildup.
Tips for using this strategy effectively:
- Let a small trickle run from faucets connected to pipes you know are in cold or exposed areas.
- If possible, open both the hot and cold taps slightly to keep both sides of the system moving.
- Focus on long runs that travel through unheated spaces or exterior walls rather than every faucet in the house.
Yes, this uses some water, but in a severe cold snap, the small increase in your water bill is often far cheaper than repairing water damage from a burst pipe.
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