How Much Does It Cost to Winterize a House? [2026 Data]

Winterizing costs $200–$1,500. Pipe insulation $100–$300; outdoor faucet covers $20–$50; HVAC tune-up $75–$300; sealing drafts $200–$500. Full vacation-home winterization $300–$800.

Critical for northern climates. Drain sprinklers, shut off outdoor water, set thermostat. Prevents burst pipes and ice dams.

Vacation homes need thorough blow-out of all lines. Consider professional winterization for peace of mind.