Storm window

{
  "id": "MLC-T-ENE-002205",
  "term": "Storm window",
  "field": "Energy",
  "definition": "A window or glazing material placed outside or inside a window creating an insulating air space. Plastic material over windows is counted as a storm window if the same plastic material can be used year after year or if the plastic is left in place year-round and is in good condition (no holes or tears). If the plastic material must be put up new each year, it is not counted as a storm window. It is counted as \"plastic coverings.\" Glass or Plexiglas placed over windows on either the interior or exterior side is counted as storm windows.",
  "references": [
    "EIA Glossary"
  ],
  "url": "https://mlchart.com/terminology/energy/storm-window/"
}