Shut exterior valves, open hose bibs, and drain lines. Insulate vulnerable runs in garages, crawl spaces, and exterior walls. A Minneapolis homeowner wrote that this routine, done before Halloween, prevented a burst and thousands in repairs when January delivered a brutal, week‑long Arctic plunge.
Add insulation over living areas, seal attic bypasses, and ensure soffit vents aren’t smothered by storage. Use a roof rake after heavy snow to reduce load near eaves. These habits curb ice dams, protect shingles, and keep interior humidity from condensing into damaging frost.
Replace filters, vacuum vents, and run a humidity‑controlled bath fan after showers. Consider a portable HEPA purifier near bedrooms. Short, regular fresh‑air exchanges prevent stuffiness. Families report fewer colds and better sleep when winter ventilation and filtration routines are consistent, especially during holiday gatherings.
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