Winter Tips & Tricks: What Cold Weather Breaks, and the Cheap Moves That Prevent It

Winter kills more plumbing and heating equipment than any other season — and most of it dies from small things nobody did in the fall. This page collects the winter tips from actual service calls: what froze, what broke, and the cheap move that would have prevented it. It grows as the season’s calls come in.

Tip 1: A frost-free hose bib still freezes if you leave the hose on

The outdoor spigot on most homes today is a frost-free hose bib (a sillcock). Its trick is simple: the part that actually shuts the water off sits a foot or more inside the warm wall, and the long tube between that valve and the outside spout is designed to drain itself empty every time you shut it off. An empty tube cannot freeze. That is the whole design.

But the draining happens through the vacuum breaker at the spout — and it can only work if the hose is off. Leave a hose screwed on all winter and the water has nowhere to go. It sits trapped in that tube, freezes, and splits the bib from the inside. The homeowner usually discovers it in spring: turn the spigot on and water sprays inside the wall or the basement instead of out the hose. This is not a rare defect. It is one of the most repeated winter calls in the trade, and it happens to frost-free bibs that were working exactly as designed — with one step skipped.

The fix, and the upgrade that makes it stick

• Every fall, unscrew the hose. That is the entire maintenance. Store it drained, in the garage, and the bib protects itself.
• If the hose is hard to unscrew — corroded threads, or hands that do not have the strength anymore — that is the real problem to solve, because it is exactly why hoses stay on. Fit a quick disconnect: a push-on fitting between the spigot and the hose. Off becomes a one-handed pull instead of a wrestling match with a wrench.
• Already split? A bib that leaks into the wall when opened is done — replacement is the repair, and it is a modest job. Ask whoever replaces it to fit the quick disconnect while they are there, so next winter never happens.

STOP: if a spigot has already frozen this winter, do not force it open and do not leave it. A split tube can pour water inside the wall the moment pressure returns. Shut the water to that line off and get it looked at.

More winter tips land here as the season’s calls come in — furnaces, pipes, and the rest of the cold-weather greatest hits.