Winter Tip: Leave Doors Open or Closed? The Truth May Shift
Winter Tip: Leave Doors Open or Closed? The Truth May Shift
US · Published Dec 6, 2025
Closing doors to unused rooms can disrupt airflow and make your HVAC system work harder, increasing energy costs.
Keeping interior doors open or slightly cracked helps maintain balanced temperatures and efficient heating.
Improve winter heating efficiency by sealing drafts, adding insulation, and considering zoning systems.
Debate on saving heating costs during winter
Winter is here, and with it comes the annual debate: should you keep doors open or closed to unused rooms in your home to save on heating costs? It's a common assumption that closing off these rooms will conserve energy, but the truth is more nuanced and often shifts depending on your home's heating system and insulation.
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